Loading...
HomeMy WebLinkAboutTextron/Gorham Silver 1990-1994Daniel S. Greenbaum Commissioner Gilbert T. Joly Regional Director i i i 00&"_1Ze, 0 • , �iizrh'ldi//.��f�i.. t. ,i. a •.,.n. /,_: ' i it Guaranty -First Trust Company 159 Overland Road Waltham, Massachusetts 02254 ATTENTION: Robert E. Keddy, Jr Gentlemen: December 17, 1990 RE: MANSFIELD-WSC/SA-4-0955 Property 26 Edgewood St. & 340 S. Main St. NOTICE OF RESPONSIBILITY; Request for a Short Term Measure M.G.L., Chapter 21E and MCP, 310 CMR 40.000 The Department of Environmental Protection (the "Department") has determined that the property located at 26 Edgewood Street and 340 South Main Street in Mansfield, Massachusetts (the "site") is a disposal site as defined in the Massachusetts Oil and Hazardous Materials Release Prevention and Response Act (M.G.L. c. 21E). The cleanup of disposal sites is governed by M.G.L. c. 21E and the Massachusetts Contingency Plan (310 CMR 40.000 et sees; the "MCP"). Because this location has been confirmed as a disposal site, it will appear on the next "List of Confirmed Disposal Sites and Locations To Be Investigated" published by the Department. The Department confirmed this location as a disposal site on September 19, 1990. The Department is in receipt of the following reports and letter prepared by Rizzo Associates, Inc. of Natick, Massachusetts: a) "HAZARDOUS MATERIALS, PRELIMINARY SITE ASSESSMENT REPORT, 26 Edgewood Street, 340 South Main Street, Mansfield, Massachusetts" dated March 9, 1990; b) "SUBSURFACE INVESTIGATION REPORT, 26 Edgewood Street, 340 South Main Street, Mansfield, Massachusetts" dated May 31, 1990; c) A letter, dated October 9, 1990, written by Jane V. Carpenito, with enclosed copies of the notification letters; and d) "SUPPLEMENTAL PHASE I LIMITED SITE INVESTIGATION, 340 South Main Street and 26 Edgewood Street, Mansfield, Massachusetts, DEP Site #4-955" dated November 29, 1990. Original Printed on Recycled Paper - 2 - The Department also received a letter, dated November 9, 1990, written by Scott Leite of the Mansfield Board of Health, with enclosed copies of the notification letters. According to these documents, a hazardous material release has occurred resulting in the existence of elevated levels of chlorinated hydrocarbons and heavy metals in the soil and the groundwater at the site. The November 29, 1990 report indicates the groundwater in monitoring well RIZ-10 contains the highest level of total chlorinated hydrocarbons (142,377 parts per billion). Moreover, five private non -drinking water wells, located downgradient of the site, have been reportedly contaminated by the chlorinated hydrocarbons. Furthermore, the report mentions that 100 or more wells may be located in the vicinity of the site but do not appear on the (local) Health Department's list of private wells. These conditions constitute an imminent hazard to health, safety, public welfare, and the environment. The Department has reason to believe that you (as used in this letter "you" refers to Guaranty -First Trust Company) are a potentially responsible party (PRP) with liability under M.G.L. c. 21E, Section 5 for response action costs. Section 5 makes the following parties liable to the Commonwealth: current owners or operators of a site where oil or hazardous materials are located; any person who owned or operated a site at the time hazardous materials was stored or disposed of; any person who arranged for transport, disposal, storage or treatment of hazardous material to or at a site; any person who transported hazardous material to a transport, disposal, storage or treatment site from which there is or has been a release or threat of release of such material; and any person who otherwise caused or is legally responsible for a release or. threat of release of oil or hazardous materials at a site. This liability is strict, meaning it is not based on fault but solely on your status as an owner, operator, generator, transporter or disposer.. It is also joint and several, meaning that you may be liable for all response action costs incurred at the site, regardless of the existence of any other liable parties. You may be liable for up to three (3) times all response action costs incurred by the Department. Response action costs include the cost of direct hours spent by Department employees arranging for response actions or overseeing work performed by PRPs or their contractors, expenses incurred by the Department in support of those direct hours, and payments to the Department's contractors. For more details on cost liability, see the cost recovery regulations at 310 CMR 40.600 et sea. The Department may also assess interest on costs incurred at the rate of twelve percent (12%), compounded annually. To secure payment of this debt, the Commonwealth may place liens on all of your property within the Commonwealth. To recover the debt, the Commonwealth may foreclose on these liens or the Attorney General may bring legal action against you. - 3 - In addition to your liability for up to three (3) times all response action costs incurred by the Department, you may also be liable to the commonwealth for damages to natural resources caused by the release. Additional penalties may be imposed under M.G.L. c. 21E, Section 11 and other laws for each violation of M.G.L. c. 21E or other laws, or under M.G.L. c. 21A, Section 16, for violations of c. 21E, and other statutes, regulations, orders or approvals. The Department encourages PRPs to take response actions at sites. By taking the necessary response actions, you can avoid liability for costs incurred by the Department's contractors in performing these actions. If you do not take the necessary response actions, or fail to perform them in an appropriate or timely manner, the Department is authorized by M.G.L. c. 21E Sections 3A(j) and 4 to have the work performed by its contractor. Because of the potential contamination of drinking water supplies, a Short Term Measure (STM), as described in 310 CMR 40.542, is deemed necessary. The undertaking of a STM must be preceded by the submittal and the approval under 310 CMR 40.536(2) of a Short Term Measure Proposal ("STMP") as described under 310 CMR 40.542(3)(b). Within forty (40) days of receipt of this letter, you shall submit the STMP to the Department for review and approval. The STMP shall include, but not necessarily be limited to, the following information: 1. A plan for removing chlorinated hydrocarbons from the soil at the location of the former waste tank; 2. A plan for a groundwater treatment system consisting of design parameters and schematic diagrams with all the system's units; 3. Plans and specifications for all on -site treatment, storage and disposal activities related to the STM; 4. A schedule of implementation of the proposed STM; 5. An environmental monitoring plan; 6. A preliminary contingency plan; 7. A preliminary sec city pla.^.; 8. An estimated cost of design, construction and operation and maintenance (O&M); 9. Identification of all records, reports, logs and other pertinent information which shall be maintained to document construction activities; - 4 - 10. A preliminary health and safety plan; 11. A preliminary quality assurance/quality control plan; and 12. A survey of water supply wells within 1,000 feet of the known contaminated area, including the distance and the direction of each well from the site and the use of each well. The Department requires a written response within fourteen (14) days of your receipt of this letter indicating whether you intend to submit the STMP as outlined above in items (1) through (12). You and your consultant shall continue to evaluate the need for additional Short Term Measures (STMs) as defined in 310 CMR 40.542. If at any time an imminent hazard is discovered at the site, you must immediately notify the Department and submit a proposal for a STM. This evaluation shall continue throughout the assessment and remedial response action for the site. Implementation of the STMs shall comply with all existing local, State and Federal permitting and approval requirements. Your cooperation in this matter is appreciated. If you have any questions, please contact Henry Cui at the letterhead address or at (508) 946-2882. All future communications regarding this site must refer to site number 4-0955. Very truly yours, Jo° eph Xowal, Chief Site Support Section K/HC/re CERTIFIED MAIL #P253 152 979 RETURN RECEIPT REQUESTED cc: DEP - BWSC - Boston Division of Response and Remediation Rizzo Associates, Inc. 235 West Central Street Natick, MA 01760 ATTN: Jane V. Carpenito, Project Manger Board of Health 50 West Street Mansfield, MA 02048 ATTN: Mr. Scott Leite - 5 - cc: Board of Selectmen 50 West Street Mansfield, MA 02048 DEP - SERO - Data Entry 0 GUARANTY -FIRST TRUST COMPANY P.O. Box 9174, Waltham, Massachusetts 02254-9174 August 14, 1991 Scott Leite Board of Health 50 West Street Mansfield MA 02048 Dear Scott: Enclosed is a copy of the alternatives that were explored by our environmental scientists before putting together the Short Term Measure for the Department of Environmental Protection. All possible options were reviewed by our team of professionals and they selected the methods of remediation that made the most sense for the project. I would appreciate making this report from Rizzo Associates part of your file in ,your capacity as repository for public documents. Sin erely William A. Yet an Consultant WAY/ph Waltham -Boston Area, (617) 899-2100 • 508 Area (800) 649-0603 Rizzo ASSOCIATES, INC. . :. .: ail ....� 2.35 West Central Street, Natick, A1A 01760 (508) 651-3401 FAX (508) 651-1189 October 17, 1991 Mr. Marcel Boelitz Massachusetts Department of Environmental Protection Southeast Region Lakeville Hospital Lakeville, MA 02347 Re: Short Term Measure Proposal Addendum DEP Site #4.0955 340 South Main Street and 26 Edgewood Street Mansfield, Massachusetts Dear Mr. Boelitz: On behalf of Guaranty -First Trust Company, Rizzo Associates, Inc. is pleased to submit this addendum to our Short Term Measure Proposal (STMP) dated June 28, 1991 for the property located at 340 South Main Street and 26 Edgewood Street in Mansfield, Massachusetts. The purpose for this addendum is to outline additional elements of the STMP that are based on our discussions with you on September 27, 1991 at the Southeast Region office and review of your notes on the STMP dated September 25, 1991. These elements are additional assessment activities to be conducted along with pilot testing of groundwater and soil remediation systems. Included in the following sections of this addendum are descriptions of all the assessment activities and an estimated schedule for their completion. STM ASSESSMENT TASKS A total of four assessment tasks are proposed to be completed prior to implementation of the Short Term Measure (STM) as follows: Air monitoring in homes that have been shown to have significant levels of chlorinated hydrocarbons in their private groundwater wells or are in the likely path of groundwater flow toward those homes Installation of deep groundwater monitoring wells on -site along the axis of the plume in order to further determine the vertical extent of contamination and the possible existence of non -aqueous phase chlorinated hydrocarbons at depth Rizzo ASSOCIATES, INC. Mr. Marcel Boelitz October 17, 1991 Page 2 Performance of a groundwater recovery and treatment pilot test Performance of a soil vapor extraction (SVE) pilot test Detailed descriptions of the procedures to be followed in performing the air monitoring and additional well installation tasks are given below. Also, a brief description of the elements involved in performing each of the pilot tests is given. The pilot tests are described in more detail in the STMP. 1. Indoor Air_Monitorin Air samples will be collected from basement and first floor locations at several homes in two separate rounds. For the first round, samples will be taken at 8 homes in the area downgradient from the Site. The location and assessor's lot number of each of these homes is given in Figure 1. Air samples will be taken at two additional homes at which tested private well water contained no detectable levels of volatile organic compounds (VOCs) to obtain background data. The background locations are not shown on Figure 1. Samples will be taken by pumping air at a known rate through a tube containing activated carbon. The duration of pumping for each sample will be 1 to 4 hours and will conform to the requirements of the analysis method used. Samples will be analyzed in a certified laboratory by desorption of contaminants from the adsorbent material and injection into a gas chromatograph. The following halogenated hydrocarbons will be quantified: tetrachloroethylene (PCE), trichloroethylene (TCE), dichloroethylene (DCE), and vinyl chloride (VC). NIOSH Method 1003 will be used to analyze for PCE, TCE, and DCE, and NIOSH Method 1007 will be used for VC. Separate samples with specific sampling protocols will be required for each of the two methods. Upon receipt of the laboratory analysis results, a determination will be made of the homes to be sampled during the second round. Additional homes may be sampled if the first round results show high levels of vapors in the tested homes. Some homes may be deleted from the second round, if appropriate. Sampling for the second round will be conducted in an identical manner to the first round. Analyses may be modified to focus only on those compounds that were detected during the first round. Data from each of the rounds will be analyzed to assess whether the concentrations detected represent an imminent hazard to public health. The results will be compared with established standards, and a preliminary exposure analysis will be performed to evaluate such a potential risk. The exposure analysis will focus on the residential air consumption pathway for exposure. O N ro O y N Y N N 0 d 00 d' N N N J � Q° N LLJ F Q O y y 0 z �- N N T.{Nn F Q� O 0 0 J JN � U Z_ C C?` _ d'Q GQ_Q C Q -� J HF Z g o na as Z o o z wQ o W �O E E D 0 CO O d O O O 0 J d Q D F- UtnNN� Vi InO �F- 00 QQ x-j No �a N y c 0 0 c y s 6 E � c Q S "3 ;.>.—f) r1 Rizzo ASSOCIATES, INC. Mr. Marcel Boelitz October 17, 1991 Page 4 As shown on the attached schedule, the estimated time required to complete the two rounds of sampling, including the time required for meetings and scheduling with homeowners, is about 17 weeks. 2. Well Installation and Sampline Four additional groundwater monitoring wells will be installed at the Site to provide more data on the vertical and horizontal extent and distribution of contamination. Borings will be installed at the indicated locations. Soil samples from five-foot intervals will be screened in the field with a gas chromatograph (GC). The wells will be installed at the elevation of highest GC readings. If the highest readings are in the sand layer immediately above bedrock, the deep wells will be screened in the bedrock. As drilling proceeds, we will contact DEP to apprise you of the installations selected and the rationale. At this time, we anticipate two wells, RIZ-25 and RIZ-26, will be screened deep, near or in competent bedrock (approximately 40 to 60 feet deep), one well, RIZ-27, will be screened in the deeper overburden (20 to 40 feet deep), and one well, RIZ-28, will be screened in the shallow overburden (5 to 20 feet deep). The locations of these wells are shown in Figure 2. As can be seen from the figure, the wells will be located in the source area and some distance downgradient. All wells are located, to the extent possible, within what is considered to be the central area of the VOC plume. The location and screened intervals of these wells will be such that two well clusters, incorporating existing wells RIZ-12 and RIZ-14, will be created. The specific procedures for overburden and bedrock well installation and sampling are as follows: Overburden Wells Overburden wells will be installed and constructed by advancing borings using hollow -stem auger with split -spoon samples taken every five feet for field GC screening. Standard field screening protocol is attached. We anticipate monitoring well RIZ-27 will be constructed using 10 feet of 2-inch slotted PVC and 20 to 30 feet of solid riser. RIZ-28 will be constructed using 10 feet of slotted PVC and 5 to 10 feet of solid riser pipe. The annular space around the screen in both wells will be filled with clean silica sand to a level at least two feet above the screen. A divider seal consisting of a minimum of one foot of bentonite will be placed above the sand pack. The remainder of the annular space will be filled with grout, and the well will be finished with a flush -mounted protective road box and lock. The attached standard well installation protocol contains additional installation details not mentioned above. `o on � c C .4 0 0 N R C v 4 OO O m N N Fi N C I C N U O � 1 1 / / N� 5 ; K C 4 C N 1 n / 2 S fr Y Cnj � N J jFy N y� a � P N I _N I � � N ' N � a K N•}iH N Q 1 1 I ' N_ � W y a 1 N NI 2'V N K • � N � a Street Main South main v a RIZZO ASSOCIATES, INC. Mr. Marcel Boelitz October 17, 1991 Page 6 All soil cuttings and wash water will be temporarily stored on -site pending proper disposal. Bedrock Wells If bedrock wells, are needed, they will be installed using a combination of hollow stem auger drilling and coring. Using 6-inch-inside-diameter augers, a hole will be drilled to refusal in competent rock. A 4-inch- outside-diameter temporary steel casing will then be inserted inside the augers and spun and/or hammered a maximum of 5 feet into the rock. A core barrel will then be used to penetrate into the bedrock. The coring technique will require circulation of water through the core barrel and the temporary casing. This water will be passed through a settling basin on the surface before being reintroduced to the drill hole. RIZ-25 will be installed in bedrock below RIZ-27, if highly elevated GC readings are quantified at the sand/bedrock interface. Overburden samples will be obtained every five feet for field screening in RIZ-26 below the lowest sample obtained from RIZ-28. Rock cores will be taken in five-foot sections, if bedrock wells are installed, and will be observed for visible signs of contamination. During coring, periodic samples of the circulation water will be taken and analyzed by the field screening technique to determine if gross amounts of VOCs are present. A determination will be made by the field geologist as to the depth of the coring into bedrock. This will be based on observations of core samples, circulation water screening, and coring difficulty. It is anticipated that 10 to 20 feet of rock will be cored. When bedrock coring is terminated, a two -inch -diameter monitoring well will be installed. The well will consist of 5 to 15 feet of slotted PVC within the cored bedrock section connected to the surface by solid riser pipe. The annular space around the screen will be filled with clean sand to a level at least two feet above the screen. A divider seal consisting of at least one foot of bentonite will be placed above the sand pack. The remainder of the annular space will be grouted, and the well will be completed with a flush -mounted road box and lock as described above for the overburden wells. All soil cuttings, samples, cores, wash water, and circulation water will be stored temporarily on -site pending proper disposal. RIZZO ASSOCIATES, INC. Mr. Marcel Boelitz October 17, 1991 Page 7 Well Development and Sampling All four new wells will be developed by pumping, bailing, and/or surge blocking to achieve a relatively sediment free condition. Wells will be sampled with a clean, disposable bailer in accordance with standard well sampling protocol. Samples will be placed in proper containers and placed on ice for transport to the laboratory. Laboratory analyses will include EPA Method 8240 for VOCs and total and soluble priority pollutant metals including iron and manganese. The estimated time for completion of this task is about 8 to 12 weeks, as depicted graphically on the attached schedule. The well installation can be conducted at the same time as the air sampling in homes. 3. Groundwater Recovery and Treatment Pilot Test Concurrent with the above tasks, installation of the components required for the groundwater recovery and treatment system will be conducted. This will include installation of a new recovery well as described in the STMP (well GW-1) and a temporary treatment system consisting of a gravity separation unit, in line filter, and activated carbon contactors. The treatment system effluent will be discharged to the town sewer as described in the STMP. Since this pilot test will be conducted in the winter, the treatment system will be installed in the building, and connecting piping will be installed in underground trenches. This piping will likely be used as part of the full-scale groundwater recovery system. Monitoring of the pilot system will be conducted as described for the start-up phase in the STMP. The pilot test will be conducted for a period of approximately one month. The estimated total time required for installation of the pilot groundwater recovery and treatment system, performance of the pilot test, and analysis of the data generated during the test is about 12 weeks. 4. SVE Pilot Test The SVE pilot test will be conducted while groundwater extraction is taking place to take advantage of the depression of the groundwater table. Therefore, this test will not be conducted until the approved full scale groundwater recovery and treatment system is activated, as described in the STMP. Performance of the SVE pilot test, analysis of the results, and, providing SVE is feasible, development of a full-scale design is anticipated to take 6 to 12 weeks. The period during which the SVE pilot test and subsequent RIZZO ASSOCIATES, INC Mr. Marcel Boelitz October 17, 1991 Page 8 design will be conducted is not shown on the attached schedule due to its dependence on approval and activation of the groundwater system. SHORT TERM MEASURE DESIGN (STMD) Using the data from the air sampling, additional well installation and sampling, and groundwater recovery and treatment pilot test, as well as previously gathered Site data and conceptual design elements, the STMD will be developed for submittal to DEP. It is estimated that preparation of the design plans and specifications will take about 8 weeks. The SVE system design will likely be submitted as an addendum to the STMD, and will be completed for submittal about 4 to 6 weeks after the completion of the SVE pilot test. We look forward to receiving your comments on this proposal. Please feel free to contact us if have any questions. Very truly yours, Joel S. Lindsay Project Engineer Richard J. Hughto, Ph.D., P.E. Vice President HLA\152204L5.JSL DANIELS. GREENBAUM Commissioner GILBERT T. JoLydooN ` F > �� y/j IF i Regional Director ��' Guaranty -First Trust Company 159 Overland Road Waltham, Massachusetts 02254 ATTENTION: Kilburn Childs Vice -President .1��ear�Gme� o�(�T:or%r�o-n�nycta`�rotrctio� Jiul'%aeG` � October 23, 1991 RE: MANSFIELD--WSC/SA-4-0955 Fmr. Gorham Silver Co. 26 Edgewood Street/S. Main Street, APPROVAL OF SHORT TERM MEASURE PROPOSAL, M.G.L., c. 21E, 310 CMR 40.000 Gentlemen: The Department of Environmental Protection, Bureau of Waste Site Cleanup (the "Department"), has reviewed a Short Term Measure Proposal (the "STMP" submitted on your behalf (as used in this letter "you" and "your" refer to Guaranty -First Trust Company) by Rizzo Associates, Inc. in the following documents: 11 SHORT T MEASURE 340 SOUTH MAIN HE TAND 26 EP D TEWOOD STREET MANSFIELD, MASSACHUSETTS DEP CASE #4-0995 JUNE 28, 1991 and, SHORT TERM MEASURE PROPOSAL ADDENDUM DEP SITE #4-0955 340 SOUTH MAIN STREET AND 26 EDGEWOOD STREET MANSFIELD, MASSACHUSETTS OCTOBER 17, 1991 The STMP includes a Health and Safety Plan, a schedule and a plan to complete the assessment required to design a Short Term Measure (the "STM") to abate imminent hazards to public health from hazardous materials in air emissions and groundwater. The Department approves the STMP, with the following provisions: (1) The second round of air sampling in homes will exactly duplicate the first round relative to the method of sampling, the homes and locations sampled, and the analytical work on the samples. Reeveled Paper -2- (2) You submit to the Department monthly progress reports detailing the implementation of the STM. (3) You notify the Department in a timely manner of each response action planned at the site to insure the Department has an opportunity to inspect work in progress. (4) You meet the requirements of 310 CMR 40.542(1)(d) and notify the Department immediately upon the discovery of any additional imminent hazards. (5) You submit a supplemental work plan and schedule for approval by the Department if a determination is made that additional work needs to be done to complete the STM. (6) You notify the Department immediately whenever access or authorizations are being unreasonably withheld during the execution of the STM. (7) You replace within two (2) weeks all observation or monitoring wells which have been damaged, destroyed or lost, or which have been inadequately completed. (8) You will submit the results of your assessment and Short Term Measure Design (the"STMD") with a schedule for activation of the STM within five (5) months of receipt of this letter. The STMD will address the recommendations of the Department listed in the Appendix. The Department requires a written response within fourteen (14) days of your receipt of this letter indicating whether you intend to take the actions outlined above. You should be aware that this STM does not relieve you from undertaking a full Phase II - Comprehensive Site Assessment. In addition, you may have to prepare a Phase III - Development of Remedial Response Alternatives and a Final Remedial Response Plan and you may have to undertake a Phase IV - Implementation of the Approved Remedial Response Alternative, if required under 310 CMR 40.000. You have been previously notified of your liability in the Notice of Responsibility letter dated December 17, 1990. -3- Your cooperation in this matter is appreciated. Should you have any further questions regarding site WSC/SA-4-09551 please contact Marcel V. Boelitz of this office at (508) 946-2868. Very truly yours, Ma c J. C ief Site Remediation Section B/MVB/re CERTIFIED MAIL #P622 581 647 RETURN RECEIPT REQUESTED cc: DEP - BWSC - Boston DEP - SERO Data Entry Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 ATTN: William Sarro, Chairman William Williams, Town Manager (508) 261-7372 Board of Health Town Hall 50 West Street Mansfield, MA 02048 ATTN: Michael VanSplinter, Chairman Scott Leite, Agent (508) 261-7366 Conservation Commission Town Hall 50 West Street Mansfield, MA ATTN: Marilyn Richard (508) 261-7378 0� Powers, Chairperson Lewis, agent Mansfield Fire Department 291 N. Main Street Mansfield, MA 02048 ATTN: Chief Edward Sliney Lt. Sarro, Fire Prevention (508) 261-7320 -4- cc: Rizzo Associates, Inc. 235 West Central Street Natick, MA 01760 ATTN: Richard J. Hughto, Vice President Curhan Kunian Goshko Burwick & Savrann 100 Charles River Plaza Boston, MA 02114 ATTN: Daniel A. Shapiro, Esq. Textron, Inc. 40 Westminster Street Providence, RI 02903 ATTN: Andrew C. Spacone, Esq. Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: William A. Yetman Rizzo ASSOCIATES, INC. 235 West Central Sheet, Natick, MA 01760 (508) 651-3401 FAX (508) 651-1189 MEMORANDUM TO: Project File FROM: Rizzo Associates SUBJECT: Engineering Evaluation/Cost Analysis for Short Term Measure Alternatives at 340 South Main Street and 26 Edgewood Street, Mansfield, Massachusetts. DEP #4-0955 The following documentation has been prepared setting forth the analysis of removal action alternatives to address contamination at the above described Site in Mansfield, Massachusetts as part of a Short Term Measure (STM) requested by MADER Contamination at the Site consists of chlorinated hydrocarbons and heavy metals in soil and shallow groundwater. Source areas of contaminants are located adjacent to and underneath the northwestern portion of the on -site building. Contamination of off -site private, non -potable supply wells with the compounds observed at the Site has been documented. Proposed Short Term Measure (STM) actions are focused on the control of contaminant migration from the source areas and reduction of source area contaminant mass. STM actions have, to the extent possible, been designed to contribute to the eventual attainment of a permanent remedy at the Site. Removal action alternatives have been evaluated on the basis of federal and state regulatory criteria. A conceptual design for groundwater extraction and on -site treatment combined with soil vapor extraction and treatment has been submitted to the MADEP as part of the Short Term Measure Proposal (STMP) dated June 28, 1991. Groundwater treatment will be conducted by gravity separation of solids and separate phase solvent, in -line filtration for further solids removal, and air stripping with vapor phase granular activated carbon emissions control. Soil treatment will consist of extraction of soil vapors to the surface where they will be treated for removal or destruction of volatile organic compounds. Page 1 Rizzo ASSOCIATES, INC. area. Even so, the barrier would not retard deeper vertical movement of contaminants into bedrock at the Site. The costs are high for barrier wall construction. Due to its high cost, questionable technical feasibility with regard to containing the contaminants, and its negligible contribution to a permanent solution at the Site, this alternative was not selected as preferred measure at the Site. 2.4 NO FURTHER ACTION The alternative of no further action does not adequately address the existence of an imminent hazard due to contamination at the Site, and does not contribute to a permanent solution. In addition, groundwater remediation at the Site has been required as part of the Notice of Responsibility issued by MADEP to the Site owner. This alternative is therefore not appropriate for this Site. 3.0 SUMMARY OF ALTERNATIVES EVALUATION Multiple alternatives were evaluated for the achievement of source contaminant reduction and control as a Short Term Measure at 340 South Main Street and 26 Edgewood Street in Mansfield, Massachusetts. The chosen course of action includes removal of contaminants through both soil vapor extraction and treatment and groundwater extraction and treatment. It has been determined based on the available data that such combined treatment will likely result in the most rapid and efficient removal of source area contaminants at the Site. The chosen alternative to address soil contamination for source mitigation is soil vapor extraction (SVE). Before installation of a full scale system, however, a pilot test will be conducted to demonstrate the technical feasibility of this alternative and to allow sizing of a full scale system. The chosen alternative to address groundwater contamination is on -site extraction and treatment with gravity sedimentation, in filtration, and air stripping with vapor phase activated carbon. The groundwater and soil treatment programs will work together to the extent that groundwater extraction dewaters additional soils in the source area, thereby creating additional volume which can be influenced by the SVE system. Limited pilot testing of the groundwater treatment system may also be conducted in order to provide additional data for the final verification and selection of the VOC removal system. Page 17 Rizzo ASSOCIATES, INC. 1.0 SOIL MEASURES Treatment or disposal of more heavily contaminated Site soils has been considered in order to achieve source reduction and control. Soil contamination can be a continuing source of groundwater contamination and consequently contribute to the imminent hazard posed by the Site. The area where soil cleanup measures would be conducted is shown in the accompanying figure. The estimated volume of soil to be used for the evaluation of the alternatives is 7,500 cubic yards. This is based on the area shown on the figure multiplied by a depth of 10 feet, which is the assumed thickness of the unsaturated zone in this area. The current thickness of the unsaturated zone averages less than 10 feet in this area, and the increased thickness will be due to the effects of groundwater pumping as part of the groundwater remediation system. The following options have been examined for addressing Site soil contamination: • Soil excavation and off -site disposal/treatment • Soil vapor extraction • Soil excavation and on -site thermal desorption • No further action The above alternatives were evaluated based on technical feasibility for further source control and reduction and additional criteria including those listed above. The following paragraphs describe the results of the evaluation for each alternative. 1.1 SOIL EXCAVATION AND OFF -SITE DISPOSAL/TREATMENT This alternative would involve the excavation of contaminated soil and transportation to an approved landfill, incineration facility and/or a concrete batching facility. Excavated soil contaminated with spent chlorinated solvents is a restricted waste and subjected to the land ban restrictions for disposing of soil at a landfill in the United States, as outlined in 40 CFR 268 and 310 CMR 30.700. If the soil excavated from the Site does not meet the pretreatment standards established in the land ban regulations cited above, off -site disposal/treatment of the soil would have to be at a landfill in Canada or at an incineration facility. These options represent a significant cost, as landfilling of this excavated soil in Canada or treatment at an incineration facility would cost approximately $1,200 per ton and $1,800 per ton, respectively. There are several positive aspects of this alternative for soil remediation. Excavation and off -site treatment/disposal results in rapid source reduction, and therefore would be protective of human health and the environment at the Site. It also would be in compliance with applicable or relevant and appropriate requirements for contaminated soil handling and disposal. Excavation and removal of the soil from the Site would in addition result in eventual reduction in the toxicity, mobility, and/or volume of the contaminants, as the contaminants would either be contained in a secure Page 2 Rizzo ASSOCIATES, INC. landfill or destroyed by incineration. However, this alternative involves high costs associated with excavation and disposal activities, and would require significant disturbance of the Site, including partial demolition of the building. The estimated order of magnitude cost for the off -site disposal of soil is $9,000,000 to $10,000,000. The estimated order of magnitude cost for off -site incineration is $13,500,000 to $15,000,000. These estimates do not include on -site construction costs. Although this alternative possesses some advantages, its high cost and the large degree of Site disturbance necessary to excavate to a depth of 10 feet or more have caused it to be removed from any further evaluation. 1.2 SOIL VAPOR EXTRACTION This alternative is the soil measure of choice and is fully discussed in the Short Term Measure Proposal submitted to MADEP on June 28, 1991. The objective of a Soil Vapor Extraction (SVE) system is to remove VOCs from source areas that are contributing to further groundwater contamination. The combination of SVE with groundwater pumping could result in more rapid removal of source area VOCs than groundwater withdrawal alone and could reduce the overall time required to achieve an anticipated long-term, permanent remedy for the Site. SVE removes VOCs from the unsaturated zone by applying a vacuum to a soil mass. Strategically placed vertical or horizontal extraction wells connected to a vacuum pump or blower provide the means for extracting VOCs from soil. The moving air entrains and removes compounds that exist in the vapor phase and the vacuum conditions enhance volatilization of compounds present as a separate phase, adsorbed to soil particles, and dissolved in residual pore water. Continuation of this process results in removal of the VOCs from the soil. SVE has been found in many cases to be effective for chlorinated VOC removal due to their typically high volatilities and low water solubilities. In these cases, SVE can provide comparable levels of removal of contaminants at a normally much lower cost than excavation and subsequent on -site treatment or off -site disposal. The proposed preliminary design calls for SVE to be conducted underneath the northwestern portion of the building and in the areas immediately north and west of the building. The technical feasibility of SVE, and the configuration of a full scale system will be determined based on a Pilot Test program that will be conducted after the installation and start-up of the groundwater pumping system. Depending on the amount of drawdown that occurs underneath the building and the results of the Pilot Test, either a system of vertical wells or a combined horizontal/vertical system would be implemented. If the water table is not depressed significantly under the building, a horizontal trench/vertical well system might be the preferred option. If it proves to be possible to depress the groundwater significantly under the building with the existing recovery well system without creating an excessively large capture zone, then vertical Page 3 Rizzo ASSOCIATES, INC. wells could be used to both remove VOCs from the newly unsaturated region in addition to providing a barrier to vapor infiltration in the building. Based on the information acquired to date, it is estimated that four vertical extraction wells would be required to develop a vacuum influence throughout the STM area. It is also estimated that a regenerative blower would provide an efficient vacuum source. The vapors would pass through an air/water separator, then through the blower, and to the off -gas control system. The liquid from the air/water separator would be conveyed to the groundwater treatment system. The off gas control system would consist of either activated carbon or an equally effective control technology, either of which would capture emissions to the extent required by applicable and/or relevant air quality regulations. The optimum off -gas control technology will be determined based on the results of the Pilot Test. If it appears that large amounts of VOCs can be removed by SVE based on Pilot Test results, then alternatives to carbon, such as catalytic oxidation, may be considered for the full-scale system. Operation of the chosen emissions control system will result in destruction of contaminants through on -site oxidation or off -site incineration during carbon regeneration. A preliminary, conceptual cost estimate for the installation and operation of the system for 1 year, including the cost of the Pilot Test, is $250,000. The attached Table 1 gives the breakdown of capital and operating costs. This alternative could result in destruction of contaminants and consequent reduction in their toxicity, mobility and volume. In removing source materials, it could contribute significantly to a long term remedial solution at the Site, and would be protective of human health and the environment. These characteristics, combined with the low capital and operating costs, make SVE the preferred soil remediation alternative for the STM. A Pilot Test would provide data which will allow a final determination of the appropriateness of this technology and allow detailed design of a full scale system. 1.3 ON -SITE THERMAL DESORPTION This alternative uses a technology wherein organic contaminants in the soil are stripped thermally without expending the energy necessary to heat the soil to the operating combustion temperatures. Areas of contaminated soil would be excavated with use of a backhoe and placed on a conveyer belt for processing. This technology involves heating of the soils to volatilize the contaminants. The off -gases are passed through a gas cleaning train and then to an after -burner (fume incinerator). Excavated soils enter the thermal processor at ambient temperatures and achieve temperatures ranging from approximately 200-800OF near the outlet of the unit. Treated soil discharging from the unit is subjected to a water spray, which provides cooling and dust control. With adequate processing, treated soil could be used as backfill, depending on Site -specific regulatory restrictions on handling and disposal/reuse. Page 4 Rizzo ASSOCIATES, INC. Off -gas treatment is accomplished through baghouse filtration, non -contact cooling, and fume destruction through an afterburner. Particulates collected by the baghouse are returned to the feed hopper for treatment. The liquid fraction from the condenser would be transferred to the groundwater treatment system. Afterburners often require a supplemental fuel such as propane to fully combust the VOCs. This technology is capable of accepting a wide range of soil types and matrices. The technology has been demonstrated to be successful on VOCs, semi -volatile compounds, and petroleum hydrocarbons. Estimates of unit costs for soil treatment are in the range of $120/ton. Therefore, an estimated cost for soil treatment alone is $900,000- $1,000,000. This does not include the on -site construction costs. In addition, mobilization and demobilization costs for these units can be high. As with the first alternative, this alternative would require excavation of soil, which would result in a high level of Site disturbance due to the need for partial demolition of the building. Excavation would require measures to contain vapors emanating from open pit areas. It is also possible that treated soil could not be reused as backfill at the Site, resulting in the need for off -site disposal. Thermal desorption could result in the ultimate destruction of soil contaminants, and therefore could be protective of public health and the environment as well as contribute to a long term solution at the Site. However, based on its moderately high cost and the difficulties involved in soil excavation, On -Site Excavation with Thermal Desorption Treatment has been eliminated as an alternative. 1.4 NO FURTHER ACTION This alternative would not result in any reduction or control of source area contaminants associated with soil, and would allow continued movement of these contaminants into groundwater and eventually off -site. If source control measures are not implemented, groundwater treatment will likely have to operate for a longer period of time to achieve contaminant removal. No further action is therefore not the preferred course of action based on current Site data. If the results of the SVE pilot test indicate that there is no significant remaining source material in the unsaturated zone, then no further action for soil remediation will be the preferred alternative. 2.0 GROUNDWATER MEASURES In order to achieve adequate source control and removal at the Site, groundwater contamination must be addressed. This is the case because transport of source area contaminants off -site is occurring through the groundwater. The following removal action alternatives to address the contaminated groundwater have been considered: Page 5 Rizzo ASSOCIATES, INC. • On -site extraction and treatment • On -site extraction and off -site treatment/disposal • On -site containment • No further action The treatment alternatives (other than the no further action alternative) discussed in this section are technologies, or combinations of technologies, that have been demonstrated in commercial applications and that, in Rizzo Associates' judgement, are potentially implementable and capable of achieving some degree of source reduction and/or control at the Site. Pretreatment requirements depend on the selection of treatment processes for the removal of volatile organic compounds. 2.1 ON SITE EXTRACTION AND TREATMENT A description of a conceptual groundwater extraction system and four on -site treatment alternatives are presented in this section. The objectives of groundwater extraction are: 1) through pumping, achieve hydraulic control over the source area and 2) to extract VOCs from the aquifer. The objective of treatment is to remove or destroy VOCs to levels in the water which are acceptable for discharge. Flexibility in operating over a range of influent concentrations is an important consideration for the long-term operation of the system, as concentrations will decrease over time. On -site extraction of groundwater results in the gradual removal of VOCs from the affected aquifer. As groundwater is pulled through the aquifer by pumping, VOCs become dissolved in the water and are captured for treatment. Depending on the tendency of individual compounds to remain bound to soil materials, removal of contaminants from aquifers to low levels can be a process of years in duration. Nevertheless, groundwater extraction has been proven to be an effective method for removing large amounts of VOCs from aquifers and controlling further migration of these compounds from source areas with minimal site disturbance. Groundwater extraction combined with appropriate on -site treatment for VOCs would: 1) result in a reduction in toxicity, mobility, and volume of the VOCs within the aquifer and 2) would contribute to a long term, permanent remedy for the site, that would be protective of public health and the environment. Each of the treatment alternatives considered achieve control of VOCs through their destruction or reuse, and can achieve the applicable pretreatment standard 2.13 mg/l Total Toxic Organics (TTO). Each alternative is therefore considered protective of public health and the environment. 2.1.1 GROUNDWATER EXTRACTION A conceptual design for a system to extract groundwater has been developed based on objective of controlling further migration of contaminants from source areas underneath Page 6 Rizzo ASSOCIATES, INC. and adjacent to the northwestern portion of the building. Th DREAM analytical groundwater flow model was used to aid in determining the number of wells required to achieve hydraulic control over the area where the highest concentrations of dissolved contaminants have been detected. The DREAM model calculates water level elevation, water level drawdown, steady state flow velocities, steady state streamlines, and potential functions. The model input data consist of the aquifer hydrogeologic characteristics, grid specifications, and well field parameter values. The results of the analysis showed that two recovery wells, located west and north of the building, each pumping at 2 gallons per minute (gpm), develop a steady state capture zone which encompasses the building and the adjacent area to the north where existing monitoring wells RIZ-20, RIZ-23, and RIZ-24 are located. It must be emphasized that the output of the analysis represents simulated steady state conditions that will not be reached until sustained pumping over a significant time period has been conducted. Based on this analysis, one recovery well would be installed initially and pumped for one month. During the first month of pumping, the characteristics of the aquifer and the contaminant concentrations being produced would be analyzed. Based on the data gathered during the first month, it would be determined whether additional wells are necessary to develop a sufficiently large zone of capture. Given the fact that VOCs have been detected in significant concentrations in deep well RIZ-12, the first recovery well would be approximately 40 feet in total depth and would be screened from 10 to 40 feet. A second well to the north would likely be approximately 20 feet in total depth with a screened interval from 10 to 20 feet, in light of the presence of high levels of VOCs in RIZ-24, and significantly lower levels in RIZ-22 (the deeper well at that location). 2.1.2 GROUNDWATER TREATMENT This section presents the basis of design and the alternatives evaluation for on -site treatment of groundwater for heavy metals and VOCs. Included are preliminary cost estimates for the implementation of the alternatives described. Basis of Design Multiple factors are involved in the selection of an appropriate treatment system. Some of the major considerations are system flow rate, contaminant types and concentrations, general groundwater characteristics, discharge options, available utilities, and acceptable visual impacts. These factors and others have been incorporated into the analysis of treatment options for removal of VOCs and heavy metals. Based on estimated flows from the extraction well(s), the treatment system would be capable of treating between 2 and 10 gpm. As discussed previously, the pumping rates Page 7 Rizzo ASSOCIATES, INC would be adjusted during the start-up phase to create a reasonable capture zone. It is estimated that between 3,000 and 15,000 gallons per day would be discharged. The extracted groundwater would be treated and discharged to the Town of Mansfield sanitary sewer system under a permit to be obtained specifically for the on -site groundwater treatment system. The discharge would comply with Local Discharge Limitations for the Town of Mansfield and the EPA Effluent Guidelines and Standards for Electroplating Facilities - Precious Metals Subcategory (40 CFR 413.20 through 413.24). These discharge limits have been confirmed in meetings between Rizzo Associates representatives and the Town of Mansfield Department of Public Works. The discharge line for the treatment system could be connected to an existing sanitary sewer manhole located on Edgewood Street immediately south of the building on the site. Connection could be made by either coring a new opening in the manhole or using an existing opening for a previously abandoned connection. It is conservatively assumed that the discharge limit for Total Toxic Organics (TTO) will be that for flows greater than 10,000 gallons per day, or 2.13 mg/l. Discharge to the sanitary sewer system is preferable to discharge to ground or surface water for several reasons, one of the most important of which is the fact that on a hydraulic basis, the sanitary sewer system is likely to be more capable of accepting this type of constant flow than the other options. Metals Removal Groundwater analyses results indicate the presence of several heavy metals at certain locations on the Site. The most recent analyses for total and soluble metals indicate that metals are present predominantly in insoluble form and may be associated with particulate matter in the samples. These results show that total metals at most locations, excluding iron and manganese, are well below 1 part per million (ppm). The levels of heavy metals observed in the areas to be affected by the groundwater pumping are in general below the discharge limitations specified in Schedule A of the Town of Mansfield Sewer Discharge Regulations. In order to meet discharge requirements for metals, removal of suspended solids will likely be necessary. Two alternatives are considered for heavy metals removal: precipitation/filtration and bag/cartridge filtration. Precipitation/Filtration A treatability study was run by Ionics, Inc. on groundwater from wells within the source area at the Site to determine the feasibility of a treatment system involving precipitation and filtration. The results of the study included a preliminary design of a system and a cost estimate. The system consisted of chemical addition and pH adjustment for metals precipitation, settling of precipitate, microfiltration, and sludge dewatering. The cost for purchase and installation of the system is approximately $270,000. Annual operation Page 8 Rizzo ASSOCIATES, INC. and maintenance costs were estimated to be approximately $60,000 for twenty-four hour per day operation. This type of system was not considered further due to the existence of other, lower cost methods of solids removal which could be capable of sufficient removal of insoluble metals to meet the discharge limitations. Bag/Cartridge Filtration Treatment for low levels of insoluble metals could be provided by a strainer/bag filter unit. The unit would be equipped with a 10 micron nominal rated bag inside of a 1 micron nominal rated bag, resulting in more efficient use of the 1 micron bag. This would provide retention of metals associated with particulate matter in the influent. Metals in the system effluent would be monitored during system operation to enable detection of changes in concentration as the pumping continues. Used filters would be disposed of properly in accordance with all applicable or relevant and appropriate requirements. Replacement of the bag filter(s) can be performed when pressure drop across the filter is 25 pounds per square inch (psi), but will vary depending on system configuration, performance requirements, and bag type. Acquisition of a hazardous waste generator identification number would possibly be required for proper disposal of these items. The equipment cost for this system is $3,000 - $5,000, and operation and maintenance costs, including bag replacement and disposal, are estimated to be less than $10,000/year. Although this system is not designed to remove soluble metals, it is considered to be appropriate for the STM, since metals have been primarily detected in insoluble form in the vicinity of the source area. This type of system is therefore preferred for heavy metals removal. The need for this filtration system will depend on the degree of iron pretreatment required for the different VOC removal alternatives. VOC Removal The four alternative technologies for organics removal which were evaluated are: • Aqueous Phase Granular Activated Carbon (LGAC) • Chemical Oxidation (UV/Peroxide) • Air Stripping with Vapor Phase GAC • Steam Stripping Each of these alternatives results in removal of VOCs from groundwater to below the stated discharge level of 2.13 mg/1 TTO. Consequently, the selection of a particular alternative is based on other considerations related to cost, ease of implementation, and operational aspects of the systems. The advantages and disadvantages of each treatment alternative for organic removal are discussed in this section and cost estimates are given for installation and operation of each system for two years. Page 9 IZIZZO ASSOCIATES, INC Aqueous Phase Granular Activated Carbon This system treats groundwater in carbon contactors providing a minimum of 15 minutes empty bed contact time (EBCT) per unit at the maximum flow rate. Treated effluent emanating from the carbon contactors would be discharged to the Town of Mansfield sanitary sewer system. The spent carbon is a hazardous waste that must be recycled or disposed of. It would be transported to a licensed thermal regeneration facility where the organic compounds will be desorbed and destroyed through thermal oxidation. On -site regeneration is not considered practical for the scale of operation considered here. Two adsorber units, arranged for operation in series or in parallel, each with capacity to handle at least 75 percent of the design maximum flow, would be installed with fittings for replacing the carbon by pumping into a bulk tank truck. The contactors can be placed on a concrete slab, and the units and controls would be enclosed inside a building for protection against freezing and aesthetics. Pretreatment ahead of the carbon units would consist of a gravity separation unit to remove separate phase chlorinated solvents and a bag/cartridge filter to remove insoluble iron and heavy metals. This system requires a limited amount of site preparation and capital investment, but involves high operating costs due to the expense associated with carbon handling, transportation and regeneration. Disadvantages of liquid phase granular activated carbon filtration include: 1. High operating cost associated with spent carbon disposal 2. Periodic waste shipments off -site (spent carbon which possibly constitutes a hazardous waste) Advantages of liquid phase granular activated carbon filtration include: 1. Low capital cost 2. Simplicity of operation 3. Moderate building area requirement The preliminary, estimated cost of installation of this system and operation for two years is $600,000. Table 2 gives a breakdown of the estimated capital and operating costs. Due to the high operating costs which would result from spent carbon handling, transport and disposal, LGAC was not selected as the preferred groundwater treatment alternative at the Site. Page 10 Rizzo ASSOCIATES, INC. Chemical Oxidation (UV/Peroxide) Chemical oxidation is a destruction process for organic compounds that is carried out with ultraviolet light (UV) and hydrogen peroxide in a reaction cell with a residence time on the order of one to five minutes. Given the compounds in groundwater at the Site, a one minute residence time would likely be sufficient to meet the discharge requirements. Hydrogen peroxide is automatically added by a chemical feed pump from a 500-gallon storage tank in the form of a 50 percent solution. The mixture flows into tubes surrounding a number of high intensity ultraviolet lamps. The ultraviolet light breaks the peroxide into hydroxyl radicals, which are an extremely powerful oxidizing agent. Hydroxyl radicals attack the organic molecules and mineralize the compounds into carbon dioxide, water, and mineral salts. Iron removal prior to the chemical oxidation system is important to its 'performance. The process is dependent on the penetration of the ultraviolet light into the water and the accumulation of precipitated iron on the reactor tubes will "mask" the water from treatment. Should some iron pass through pretreatment and cause film accumulation on the reaction tubes, they may be cleaned through a relatively rapid and simple procedure involving the wiping of the reaction tubes with a cloth. A conceptual design for the iron removal system includes an equalization tank, rapid mix tank, lamella clarifier, and filter press for sludge dewatering. The entire treatment system would include a gravity separator, the iron removal components described above, and a chemical oxidation unit with a maximum lamp power of 30 kilowatts. Capital costs for the chemical oxidation system are high. Operating costs are moderate, with electrical and hydrogen peroxide costs constituting the main system related expenses. In addition, significant operator time is required for maintenance of the iron pretreatment system along with the other treatment units. The compounds present within the groundwater are amenable to destruction by chemical oxidation. In contrast to other treatment technologies, there is no waste generation other than iron sludge from pretreatment, and no emissions to the atmosphere from the chemical oxidation unit. Disadvantages of chemical oxidation include: 1. High capital cost 2. Requires pretreatment for removal of iron and suspended solids 3. Medium to long equipment delivery time (pre -purchase may expedite) Page 11 Rizzo ASSOCIATES, INC. 4. Storage and hauling of hydrogen peroxide solution required 5. Moderately frequent operator attention required Advantages of chemical oxidation include: 1. Reliable removal of chlorinated solvents and other organics to discharge criteria 2. No air emissions 3. No solid hazardous waste from organic removal process 4. Commercially demonstrated technology (emerging in last 5 years) 5. Power cost may decrease as concentrations decrease (reduce power input by operating fewer lamps) 6. Small area requirement/no special height requirements The estimated cost for installation and operation of a Chemical Oxidation treatment system for two years is $700,000. The attached Table 3 provides a breakdown of the capital and operating costs. Although it possesses certain advantages as outlined above, high overall costs render it much less cost-effective, and this has resulted in elimination of Chemical Oxidation as an alternative. Air Stripping with Vapor Phase Granular Activated Carbon (VGAC) Air stripping involves mass transfer of volatile compounds dissolved in water into the air by contacting clean air with contaminated water. Air stripping can be performed in a number of arrangements including aeration basins, cooling towers, and packed towers. To achieve the degree of removal required, a packed tower air stripping column could be used. In the packed tower, contaminated water trickles down through a vertical column of special packing media while ambient air is blown up through the column. The VOCs are "stripped" from the water, changing into a vapor phase, and are then removed from the air or destroyed through appropriate treatment by an air emissions control system. The air is then vented to the atmosphere. Removal of contaminants from the water is dependent on the ratio of air to water, temperature, depth of the packing material, the type of packing material, and most critically, the physical/chemical properties of the dissolved contaminants. Recirculation of water may be necessary to provide necessary liquid loading for optimum column performance. Air emission control for a stripping tower discharge is required by MADER This can be accomplished by using vapor phase granular activated carbon (VGAC). Heating of the exhaust air from the stripping column by 10 to 15 degrees Fahrenheit is required Page 12 Rizzo ASSOCIATES, INC prior to entering the carbon units to reduce the relative percent humidity in the air stream and avoid condensation of water in the carbon. Condensed water blocks active pores in the carbon, competes for adsorption sites, and reduces overall sorption capacity of the carbon. A conceptual treatment system includes a gravity separation unit, a filter assembly, and a packed tower air stripper with an off -gas control system using activated carbon. The gravity separation unit would be used to remove separate phase chlorinated hydrocarbons that have been entrained in the groundwater extraction system. The filter assembly would consist of a strainer/bag filter unit with a nominal particle rating of 1 micron. The air stripping system would remove dissolved chlorinated hydrocarbons from the water, and the off gas control system would remove the stripped compounds before venting to the atmosphere. Implementation of this system would effectively reduce the mobility and toxicity of the contaminants by removing them from the groundwater. The packed tower air stripper would be designed to reduce total VOC concentrations to below 2 mg/1 in the effluent to be discharged to the sewer. The off -gas control system would be designed and operated so as to capture 90 to 95 percent of the mass of contaminants in the air stream from the air stripper at the design loading. Groundwater would be pumped to the top of the air stripping tower, which would be about 18 feet in height and 2 feet in diameter, and would flow down countercurrent to air being forced up by a blower. Off -gas from the air stripper would be heated prior to entering the carbon control units in order to reduce the relative percent humidity and improve sorption performance of the carbon. Heating of the off -gas would be achieved through use of an electric heater installed after the stripping tower, and would also occur to some extent due to compression in the blower to the carbon units. Assuming an initial off -gas temperature of 50T and a relative percent humidity of 100 percent, heating to 70OF would be required to reduce relative percent humidity to 50 percent. Carbon units would be used in series. The initial configuration would include two 2,000-lb units (a 2,000-lb unit contains approximately 1,800 lbs of carbon). Breakthrough on each unit would be defined as the point at which the concentration in the effluent is equal to or greater than 80 percent of the concentration in the influent to the unit. When used up, the lead carbon unit would be taken off -site for regeneration at a licensed facility. The lead unit would be replaced with the second unit and a new unit with fresh carbon installed as the second unit. Although the data suggests that the iron is in an insoluble form and may be associated with sediment in the groundwater samples, it is assumed that some amount of soluble ferrous iron would enter the air stripper. Ferrous iron would be oxidized to ferric iron in the stripping unit, and because ferric iron has much lower solubility than ferrous, it Page 13 Rizzo ASSOCIATES, INC. would precipitate out (minimum solubility is at close to neutral pH) and adhere to packing surfaces. Bacteria may also proliferate in the column, feeding on iron or organic material in the water, and form a slime mass. The buildup of the iron or bacteria deposits reduces the efficiency of the air stripper by clogging and reduction of packing surface area. Buildup of deposits in the air stripper would be addressed through periodic packing rinses with dilute hydrochloric acid or chlorine bleach. The air stripper can be fitted with a discharge nozzle at the top that is connected to outside piping from the ground level. With the unit off-line, the rinsing solution would be pumped up to the top, discharged into the tower, and collected through an outlet at the bottom of the tower. The spent rinse solution would then be disposed of as a hazardous waste. Although difficult to estimate, it is anticipated that this procedure might be required on a bimonthly basis. The need for cleaning would be determined by monitoring pressure drop through the column. This system is less capital cost intensive and operationally less demanding than an iron pretreatment system involving precipitation and clarification. The Air Stripping with VGAC Treatment alternative has relatively low capital and moderate operational costs, and granular activated carbon is recognized by MADEP as Best Available Control Technology (BACT) for air stripper emissions. The air stripper also is designed so that it will likely be able to accommodate larger flows than the initially expected flow of 10 gpm. Therefore, it may be able to treat water from additional extraction wells installed as part of further remedial activities conducted in the future. Disadvantages of air stripping with VGAC include: 1. A visible stripping tower is required (this can be avoided if the tower is located in the building) 2. Performance is sensitive to ambient conditions (temperature) and variations in influent quality 3. Biological fouling of stripping column is possible 4. Air emissions require monitoring 5. Activated carbon requires shipment off -site as hazardous waste 6. Moderately frequent operator attention required Page 14 Rizzo ASSOCIATES, INC. Advantages of air stripping with VGAC include: 1. Low to moderate capital costs 2. Commercially demonstrated technology 3. Low to medium maintenance 4. Operating costs decrease reasonably as concentrations decrease 5. Moderate area requirement 6. Medium equipment delivery time The preliminary, estimated total cost for the installation and operation of this system for two years is $500,000. The breakdown of capital and operating costs is provided in Table 4. Air stripping with vapor phase GAC, combined with gravity separation and filtration units, is the preferred on -site treatment alternative since it is the most cost- effective due to its ability to reliably remove chlorinated solvents from the waste stream with the lowest estimated cost. Steam Stripping This technology removes organics from groundwater by counter current stripping of the contaminated water with steam in a packed column. Steam stripping uses the fact that relative partial pressures of solutes to the partial pressure of water vapor increase at higher temperatures. Vapor containing organics and water is exhausted from the top of the column and condensed. The proportions of organics in the vapor exceed the solubility of the compounds in water, and the hydrocarbons are recovered as a separate liquid phase. The water to be treated is heated and fed into the top of a packed column. Low pressure steam is fed into the bottom of the tower. The hydrocarbons in the groundwater evaporate into the water vapor based on their Henry's Law Constants. Henry's Law Constants increase as a function of temperature and a richer gas mixture is obtained than with air stripping. For energy recovery, the purified water is pumped from the bottom of the column through a heat exchanger where it is cooled by transfer of its heat to the incoming flow. The vapor stream is condensed by heat exchange with the incoming water feed after heat exchange with the stripper effluent. Additional cooling of the effluent with cooling water or through a mechanical chiller will be necessary to meet surface water discharge criteria for a low flow stream. The organic phase is suitable for incineration or burning for energy reclamation. The condensate Page 15 Rizzo ASSOCIATES, INC. water is recycled to the start of the process. Water use for steam production could be performed by recycling the effluent. Steam stripping generally has application in industrial water pollution control, and is one of three treatment processes recommended by EPA for treatment of industrial wastewaters from organic chemicals, plastics and synthetic fibers manufacturing plants (air stripping and LGAC are the other two technologies). Steam stripping is not a preferred alternative, as it would not be cost-effective due to the moderate to high capital costs and high operating costs associated with this technology. 2.2 ON -SITE EXTRACTION AND OFF -SITE TREATMENT/DISPOSAL For this alternative, groundwater would be extracted using the extraction system described in Section 2.1.1 and pumped directly into tank trucks and/or on -site storage tanks. The contaminated groundwater would then be transported to an off -site treatment facility. The water would be a hazardous waste because of its constituents and would have to be treated at a licensed hazardous waste treatment facility. Several licensed commercial hazardous waste treatment facilities that could accept the waste are located in the Northeast. This alternative would be protective of public health and the environment. However, transportation costs make this alternative extremely expensive. Pumping at a continuous rate of 10 gpm would necessitate roughly two trucks per day, which would be at substantial cost even for a local haul. The transportation of large quantities of hazardous waste also poses risks to the public and the environment. Moreover, this alternative also relies on management and operation of treatment facilities by others, and consequently the degree of control is lessened. Consequently, in our judgement, this alternative is not an acceptable one. 2.3 ON -SITE CONTAINMENT Numerous varieties of underground barriers have been used at other sites to contain, capture, or divert groundwater flow. These barriers include grout curtains, slurry walls, and sheet pilings. Typically, these subsurface barriers are composed of low permeability materials that serve to prevent or impede the migration of groundwater. Impermeable barriers can be installed to completely surround the contaminant plume or they can be placed on the downgradient "leading edge" of the groundwater contamination source area. Monitoring wells would be employed to monitor the effects the barrier had on the contaminant plume. The barrier must be deep enough to connect with a confining layer, which on this Site has not been adequately defined. It is estimated, however, that a barrier would have to be at least 40 feet deep to exert adequate control over the source Page 16 Pizzo ASSOCIATES, INC. area. Even so, the barrier would not retard deeper vertical movement of contaminants into bedrock at the Site. The costs are high for. barrier wall construction. Due to its high cost, questionable technical feasibility with regard to containing the contaminants, and its negligible contribution to a permanent solution at the Site, this alternative was not selected as a preferred measure at the Site. 2.4 NO FURTHER ACTION The alternative of no further action does not adequately address the existence of an imminent hazard due to contamination at the Site, and does not contribute to a permanent solution. In addition, groundwater remediation at the Site has been required as part of the Notice of Responsibility issued by MADEP to the Site owner. This alternative is therefore not appropriate for this Site. 3.0 SUMMARY OF ALTERNATIVES EVALUATION Multiple alternatives were evaluated for the achievement of source contaminant reduction and control as a Short Term Measure at 340 South Main Street and 26 Edgewood Street in Mansfield, Massachusetts. The chosen course of action includes removal of contaminants through both soil vapor extraction and treatment and groundwater extraction and treatment. It has been determined based on the available data that such combined treatment will likely result in the most rapid and efficient removal of source area contaminants at the Site. The chosen alternative to address soil contamination for source mitigation is soil vapor extraction (SVE). Before installation of a full scale system, however, a pilot test will be conducted to demonstrate the technical feasibility of this alternative and to allow sizing of a full scale system. The chosen alternative to address groundwater contamination is on -site extraction and treatment with gravity sedimentation, in -line filtration, and air stripping with vapor phase activated carbon. The groundwater and soil treatment programs will work together to the extent that groundwater extraction dewaters additional soils in the source area, thereby creating additional volume which can be influenced by the SVE system. Limited pilot testing of the groundwater treatment system may also be conducted in order to provide additional data for the final verification and selection of the VOC removal system. Page 17 O S✓ RIZ-4 RIZ-5 RI —7 RIZ-8 IZ 4 RIZ-21 RIZ-9 I IZ D IZ 12 RIZ-1 R —1 RIZ-6 ! RIZ-14 RIZ-17 RIZ-18 AD RIZ-11 RIZ 16RIZ-15 -- - RIZ-2 EdgewOod LEGEND Shallow Monitoring Well Deep Monitoring Well ® Source Area Addressed by STM TABLE 1 SOIL VAPOR EXTRACTION COST ESTIMATE CAPITAL COSTS 1. Extraction System Installation $40,000 2. Vapor Treatment Equipment 10,000 3. Vapor Treatment System Installation 10,000 4. Mobilization 5,000 SUBTOTAL $65,000 Indirect Costs General Contractors Conditions $10,000 Allowance for Design Development 10,000 SUBTOTAL, ESTIMATED CAPITAL COSTS Engineering $15,000 Pilot Study 20,000 Contingency 20,000 Administration 5,000 TOTAL ESTIMATED CAPITAL COSTS $145,000 O & M COSTS uali Unit Cost Annual Cost 1. Labor $10,000 2. Maintenance 5,000 3. Carbon 20,000 $3.50/lb 70,000 4. Power 1,000 5. Analytical 10 WO SUBTOTAL $96,000 PW @ 10% for 1 yr = .91 x 96,000 S87,000 Contingency 10,000 TOTAL $97,000 TOTAL CAPITAL $145,000 TOTAL ESTIMATED O & M COSTS $97,000 TOTAL ESTIMATED COST (rounded to nearest $50,000) $250,000 TABLE 2 LIQUID PHASE CARBON GROUNDWATER TREATMENT COST ESTIMATE CAPITAL COSTS L Site Prep $3,000 2. GW Extraction System Installation (inct. equip cost) 50,000 3. GW Treatment System Equipment Cost 12,500 4, GW Treatment System Installation 25,000 5. POTW Discharge System Installation 5,000, 6 Mobilization 10,000 SUBTOTAL $110,500 Indirect Costs General Contractors $17,000 Allowance for Design Development 12,000 SUBTOTAL, ESTIMATED CAPITAL COSTS $140,000 Engineering $20,000 Contingency 40,000 Administration 10,000 Permitting 20,000 TOTAL ESTIMATED CAPITAL COSTS (rounded) $225,000 u • 11K uali Unit Cost Annual Cost 1. Labor 800 Hrs $55/hr $44,000 2. Maintenance 10,000 3. Carbon 30,000lbs - $3.50/lb 105,000 4. Power 11,000 kwh $0.09/kwh 1,000 5. Analytical 20 events $1,000/event 20,000 6. POTW Cost 7 x 105 Ila $22.60/1,000 fta $15,000 SUBTOTAL $195,000 PW 10% for 2 yrs = 1.74 X 195,000 $340,000 Contingency $30,000 TOTAL 5370,000 TOTAL CAPITAL $225,000 TOTAL O & M $370,000 TOTAL ESTIMATED COST (rounded to nearest $50,000) $600,000 TABLE 3 CHEMICAL OXIDATION GROUNDWATER TREATMENT COST ESTIMATE Capital Costs 1. Site Prep $3,000 2. GW Extraction System Installation 50,000 3. GW Treatment System Equipment Cost Gravity Separator 8,000 Iron Pretreatment System 75,000 Chemical Oxidation Unit 60,000 4. GW Treatment System Installation 40,000 S. POTW Discharge System Installation 5,000 6. Mobilization 10,000 SUBTOTAL $256,000 Indirect Costs General Contractors $40,000 Allowance for Design Development 25,000 SUBTOTAL, ESTIMATED CAPITAL COSTS $321,000 Engineering $30,000 Contingency 60,000 Administration 15,000 Permitting 20,000 TOTAL ESTIMATED CAPITAL COSTS (rounded) $450,000 O & M COSTS uali Unit Cost Annual Cost 1. Labor 1,000 hrs $55/hr $55,000 2. Maintenance 15,000 3. Power 142,000 kwh $0.09/kwh 13,000 4. H2O2 6,600lb $0.75/lb 5,000 5. Analytical 20 events $1,000/event 20,000 6. Waste Disposal (Iron Sludge) 5,000 7. POTW Cost 15,000 SUBTOTAL $128,000 PW @ 10% for 2 yrs = 1.74 x 128,000 $223,000 Contingency 20.000 TOTAL ESTIMATED O & M (rounded) $240,000 TOTAL CAPITAL $450,000 TOTAL O & M $240,000 TOTAL ESTIMATED COST (rounded to nearest $50,000) $700,000 TABLE 4 AIR STRIPPING WITH VGAC GROUNDWATER TREATMENT COST ESTIMATE Capital Costs 1. Site Prep $3,000 2. GW Extraction System Installation (Incl. equipment cost) 50,000 3. GW Treatment System Equipment Cost 28,000 4. GW Treatment System Installation 40,000 5. POTW Discharge System Installation 5,000 6. Mobilization 10,000 SUBTOTAL $136,000 Indirect Costs General Contractors $21,000 Allowance for Design Development 14,000 SUBTOTAL, ESTIMATED CAPITAL COSTS $171,000 Engineering $20,000 Contingency 40,000 Administration 10,000 Permitting 20P00 TOTAL ESTIMATED CAPITAL COSTS (rounded) $260,000 O & M COSTS uali Unit Cost Annual Cost 1. Labor 1,000 hrs $55/hr $55,000 2. Maintenance 15,000 3. Carbon 7,500 53.50/lb 26,000 4. Power 22,000 kwh 50.09/kwh 2,000 5. Chemicals (HCL or Bleach) 1,000 6. Analytical 20 events $1,000/event 20,000 7. Waste Disposal 20 drums $250/drum 5,000 8. POTW Cost 15,000 SUBTOTAL $139,000 PW @ 10% for 2 yrs = 1.74 x 139,000 $240,000 Contingency 20,000 TOTAL $260,000 TOTAL CAPITAL $260,000 TOTAL O & M $260,000 TOTAL ESTIMATED COST (rounded to nearest $50,000) 5$ W.000 TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 February 24, 1992 Mr.Robert Brown 10 Leonard Street Mansfield, MA 02048 Dear Mr. Brown. Enclosed please mind the results of the indoor air sampling conducted in your home as part of the Short Term ,Measure for 340 South Main Street. None of the homes showed a Thrsshol; Exposure Limit higher than that set oy the !Massachusetts Department of Environmental Protect ion for any of the compounds associated with the site. However, ;Pane homes exceed hose standards for other compounds associated ditl Chemicals used by the household. In evidence were chemicals associated with paint strippers and brush cleaners, gasoline and other solvents. The most likely reason for this is imarooer storage of the items. The risk of these chemicals in your home is roughly that associated with=mou_ing, if you are a smoker, the risk is compounded. the enclosed results of the air test in Your home are eased on two samplings. The items associated with the site are. _etrachloroethylene, -richlorcethylene, 1.2--dichlorcethylene and vinyl chloride. Any other items listed are additional compounds found in your home that are not associated with, the site. Those items that are shaded exceed the above mentioned limit. It is strongly recommended that you examine your practices for storage of household Chemicals and change those which fall short of good sense. If I may be of further assistance, please do not hesitate to contqat,this office. You s ru y, Scott Laite Attachment INDOOR AIR SAMPLING RESULTS - FIRST ROUND Mansfield, Massachusetts Location: 10 Leonard Street Date: 12/13/91 Results in parts per million (PPM) COMPOUND KITCHEN BASEMENT Tetrachloroethylene <0.17 <0.17 Trichloroethylene < 0.10 < 0.10 1,2-Dichloroethylene < 0.10 < 0.11 Vinyl Chloride <0.14 <0.14 INDOOR AIR SAMPLING RESULTS • SECOND ROUND Mansfield, Massachusetts Location: 10 Leonard Street Date: 1/10/92 Results in parts per billion (PPB) COMPOUND KITCHEN BASEMENT MASS. TEL Tetrachloroethylene 5.83 10.1 136 Trichloroethylene 0.56 0.63 6.8 1,2-Dichloroethylene <0.05 <0.05 54 Vinyl Chloride <0.08 <0.08 1.36 Benzene 0.54 Ethylbenzene 0.48 0.37 27.2 Styrene 0.09 <0.05 27.2 Toluene 9 0G 8 98 ! 2.72 Xylenes 2 77 2.33 2.72 Carbon tetrachloride <0.03 0.08 13.6 1,1,1-Trichloroethane 2.18 2.44 190 Mass. TEL - Threshold Effects Exposure Limit set by Mass. DEP Shaded results exceed Mass. TEL ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD,MA 01730 USA 617-275-0100 . TELEFAX ##:617-275-5529 LABORATORY ANALYSIS DATA FORM PAGE:1 CLIENT: TECH ENVIRONMENTAL, INC. CLIENT##: 52774 ROBERT O'NEAL BATCH: 915568 TECH ENVIRONMENTAL, INC. P.O.##: LETTER RESERVOIR PLACE 1601 TRAPELO ROAD WALTHAM, MA 02154 DATE R.EC'D:12/17/91 DATE REPORTED: 12/30/91 REPORT STATUS: FINAL (REVISED) ------------------------------------------------------------------------------- TEST DESCRIPTION METHOD (PERCHLOR): PERCHLOF.OETHYLENE .5335 (TCE): TRICHLOROETHYLENE 5336 (1,2-DCE): 1,2-DICHLOROETHYLENE NIOSH 1003 (VCM): VINYL CHLORIDE NIOSH 1007 ------------------------------------------------------------------------------- SMP PERCHLOR TCE 1,2-DCE VCM NO. DESCRIPTION (PPM) (PPM) (PPM) ----------------------- (PPtd) --- 01 -------------------- 368-F-FT/BT ------------ ------------ t0.17 :0.10 <0.11 ^.?4 02 363-B-FT/BT <0.17 <0.10 <0.10 0.14 03 4-F-FT/BT <:0.16 <0.10 <0.10 5.1 04 4-B-FT/BT <0.17 <.0.10 <0.10 <0.14 05 353-F-FT/BT <0.16 <0.10 <0.10 <0.14 06 353-B-FT/BT <0.16 <0.10 <0.10 0.14 07 355-F-FT/BT <0.17 <0.10 ":0.10 0.14 08 355-B-FT/BT <0.16 <0.10 <0.10 0.14 09 1-F-FT/BT <0.16 <0.10 <0.10 0.14 10 1-B-FT/BT <0.16 <0.10 <0.10 0.14 11 335-F-FT/BT <0.16 <0.10 <0.10 ^•?4 12 335-B-FT/BT <0.17 :0.10 <0.11 0.? 13 10-F-FT/BT <0.17 <0.10 <0.10 0,14 14 10-B-FT/BT <0.17 <0.10 <.0.11 15 10-B-FB1/FB2 <5.0ug/s <2.5ug/s 1,2.oug/s ?.6?:g/•= 16 29-F-FT/BT <0.16 <0.10 <0.11 0.19 17 29-B-FT/BT <0.16 <0.10 <0.11 0,14 18 50-F-FT/BT :0.17 0.10 0.11 19 50-B-FT/BT 0,17 '0.10 0.11 0.14 20 15-B1-FT/BT <0.16 <0.10 <0.11 0.14 21 15-B2-FT/BT <0.17 <0.10 <0.11 0.14 IMPORTANT: THIS SERVICE SHALL BE SUBJECT TO THE TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE. 151113 JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 10-F ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 ESAL BATCH# DATE COLLECTED DATE RECEIVED: DATE ANALYZED DATE REPORTED: ESAL SAMPLE#: THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I Page 1 920102 01/10/92 01/13/92 01/16-17/92 01/21/92 920102-03 RESULT RESULT ANALYTE ug ANALYTE ug ------------------------------ ---------- Benzene 0.094 ------------------------------ ---------- 1,1-Dichloroethylene ND Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.021 1,2-Dichloropropane ND Styrene 0.004 Methylene chloride ND Toluene 0.341 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.087 Tetrachloroethylene 0.396 o-Xylene 0.033 1,1,1-Trichloroethane 0.119 1,1,2-Trichloroethane ND Bromoethane ND Trichloroethylene 0,030 Carbon tetrachloride ND Trichlorofluoromethane ND Chloroethane ND Vinyl Chloride ND Chloroform NO cis-1,2-Dichloroethylene ND Chloromethane ND Dibromochloromethane ND Acetone ND 1,1-Dichloroethane ND Carbon disulfide NO 1,2-Dichloroethane ND 2-Hexanone (MBK) NO 4-Methyl-2-pentanone (MIBK) ND ND - Not Detected, Limit of Detection - 0.002ug Expected Determined %Recovery SURROGATE STANDARDS NG NG % ------------------------------ 1,2-Dichloroethane-D4 ---------- ---------- ---------- 250 263 105 Toluene-D8 250 249 100 Bromofluorobenzene 250 245 98 INTERNAL STANDARDS Expected Determined %Recovery NG NG % ------------------------------ ---------- ---------- ---------- 1,4-Difluorobenzene 100 141 141 Chloro Benzene (D5) 100 124 124 e 1113 JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 10-B ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 ESAL BATCH#: DATE COLLECTED DATE RECEIVED: DATE ANALYZED DATE REPORTED: ESAL SAMPLE#: THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I 920102 01/10/92 01/13/92 01/16-17/92 01/21/92 . 920102-04 Page 1 RESULT RESULT ANALYTE ug ANALYTE ---------- ug ----------------------------`- ---------- Benzene 0.091 ------------------------------ 1,1-Dichloroethylene ND Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.016 1,2-Dichloropropans ND Styrene TRACE <0.002 Methylene chloride ND Toluene 0.338 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.075 Tetrachloroethylene 0.687 o-Xylene 0.026 1,1,1-Trichloroethane 0.133 1,1,2-Trichloroethane ND Bromoethane NO Trichloroethylene 0.034 Carbon tetrachloride 0.005 Trichlorofluoromethane ND Chloroethane ND Vinyl Chloride ND Chloroform NO cis-1,2-Dichloroethylene ND Chloromethane ND Dibromochloromethane ND Acetone 0.003 1,1-Dichloroethane ND Carbon disulfide ND 1,2-Dichloroethane ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIBK) NO NO — Not Detected, Limit of Detection — 0.002ug Expected Determined %Recovery SURROGATE STANDARDS NG NG % ------------------------------ 1,2-Dichloroethane-D4 ---------- ---------- ---------- 250 280 112 Toluene-D8 250 290 116 Bromofluorobenzene 250 273 109 INTERNAL STANDARDS Expected Determined %Recovery NG NG % ------------------------------ ---------- ---------- ---------- 1,4-Difluorobenzene 100 116 116 Chloro Benzene 05) 100 98 98 TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 February 24, 1992 Mr. & Mrs. Stephen Holt 335 South Main Street Mansfield, MA 02048 Dear Mr. & Mrs. Holt, Enclosed please find the results of the indoor air sampling conducted in your home as part of the Short Term Measure for 340 South Main Street. None of the homes showed a Threshold Exposure Limit higher than that set by the Massachusetts Department of Environmental Protection for any of the compounds associated with the site. However, many homes exceed those standards for other compounds associated with chemicals used by the household. In evidence were chemicals associated with paint strippers and brush cleaners, gasoline and other solvents. The most likely reason for this is improper storage of the items. The risk of these chemicals in your home is roughly that associated with smoking. If you are a smoker, the risk is compounded. The enclosed results of the air test in your home are based on two samplings. The items associated with the site are tetrachloroethylene, trichloroethylene, 1,2-dichloroethylene and vinyl chloride. Any other items listed are additional compounds found in your home that are not associated with the site. Those items that are shaded exceed the above mentioned limit. It is strongly recommended that you examine your practices for storage of household chemicals and change those which fall short of good sense. If I may be of further assistance, please do not hesitate to contact this office. qrs truly, S t Le1te Health Agent Attachment /dr INDOOR AIR SAMPLING RESULTS - FIRST ROUND Mansfield, Massachusetts Location: 335 South Main Street Date: 12/12/91 Results in parts per million (PPM) COMPOUND KITCHEN BASEMENT Tetrachloroethylene <0.16 <0.17 Trichloroethylene <0.10 <0.10 1,2-Dichloroethylene <0.10 <0.11 Vinyl Chloride <0.14 <0.14 N INDOOR AIR SAMPLING RESULTS - SECOND ROUND Mansfield, Massachusetts Location: 335 South Main Street Date: 1/13/92 Results in parts per billion (PP13) COMPOUND KITCHEN BASEMENT MASS. TEL Tetrachloroethylene 10.6 25.5 136 Trichloroethylene 1.53 3.89 6.8 1,2-Dichloroethylene <0.05 0.33 54 Vinyl Chloride < 0.08 < 0.08 1.36 Benzene 0.54 Ethylbenzene 0.14 0.14 27.2 Styrene 0.09 <0.05 27.2 Toluene 2.63 1.06 2.72 Xylenes 0.08 0.92 2.72 Chloroform < 0.04 0.04 27.2 1, 1, I-Trichloroethane 0.42 0.31 190 Mass. TEL - Threshold Effects Exposure Limit set by Mass. DEP Shaded results exceed Mass. TEL ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD,MA 01730 USA 617-275-0100 . TELEFAX #:617-275-5529 LABORATORY ANALYSIS DATA FORM PAGE:1 CLIENT: TECH ENVIRONMENTAL, INC. CLIENT#: 52774 ROBERT O'NEAL BATCH: 915568 TECH ENVIRONMENTAL, INC. P.O.#: LETTER RESERVOIR PLACE 1601 TRAPELO ROAD WALTHAM, MA 02154 DATE REC'D:12/17/91 DATE REPORTED: 12/30/91 REPORT STATUS: FINAL (REVISED) ------------------------------------------------------------- TEST DESCRIPTION ----------------- METHOD (PERCHLOR): PERCHLOROETHYLENE 5335 (TCE): TP.ICHLOROETHYLENE S336 (1,2-DCE): 1,2-DICHLOROETHYLENE NIOSH 1003 (VCM): VINYL CHLORIDE NIOSH 1007 --- ---------------------------------------------------- SMP PEROHL --Vcm NO. DESCRIPTION (PPM) (PPM) (PPM) ------------ (PPM) 01 -------------------- 368-F-FT/BT ------------------------ <0.17 <0.10 <0.11 '0.14 02 368-B-FT/BT <0.17 <0.10 <0.10 <0.14 03 4-F-FT/BT <0.16 <0.10 <0.10 5.1 04 4-B-FT/BT <0.17 <0.10 <0.10 <0.14 05 353-F-FT/BT <0.16 <0.10 <0.10 <0.14 06 353-B-FT/BT <0.16 <0.10 <0,10 <0.14 07 355-F-FT/BT <0.17 <0.10 <0.10 <0.14 08 355-B-FT/BT <0.16 <0.10 <0.10 :0.14 09 1-F-FT/BT <0.16 <0.10 <0.10 ,,0.14 10 1-B-FT/BT <0.16 <0.10 <0.10 0.14 11 335-F-FT/BT <0.16 <0.10 <0.10 <0.14 12 335-B-FT/BT <0.17 <0.10 <0.11 <0.14 13 10-F-FT/BT <0.17 <0.10 <0.10 :0.14 14 10-B-FT/BT <0.17 <0.10 <0.11 <0.14 15 10-B-FB1/FB2 <5.Oug/ '2.5ug/s '.2.0ug/ '1.6ug/ 16 29-F-FT/BT <0.16 <0.10 <0.11 0.19 17 29-B-FT/BT <0.16 '.0.10 <0.11 0.14 18 50-F-FT/BT <0.17 <0.10 <.0.11 '0.14 19 50-B-FT/BT 0.17 .0.10 <0.11 0.14 20 15-B1-FT/BT <0.16 <0.10 <0.11 <0.14 21 15-B2-FT/BT <0.17 :0.10 <0.11 <0.14 IMPORTANT: THIS SERVICE SHALL BE SUBJECT TO THE TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE. / 058 51113 JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 335-F ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 ESAL BATCH#: DATE RECEIVED DATE ANALYZED DATE REPORTED 920117 01/14/92 01/27-28/92 01/28/92 ESAL SAMPLE#: 920117-03 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT ANALYTE ug ------------------------------ Benzene ---------- 0.022 Chlorobenzens ND Ethylbenzene 0.006 Styrene 0.004 Toluene 0.099 m/p-Xylene 0.031 o-Xylene 0.012 Bromoethane ND Carbon tetrachloride ND Chloroethane ND Chloroform TRACE <0.002 Chloromethane ND Dibromochloromethane ND 1,1-Dichloroethane ND 1,2-Dichloroethane NO cis-1,2-Dichloroethylene ND Page 1 RESULT ANALYTE ug ---------- ------------------------------ 1,1-Dichloroethylene ND trans-1,2-Dichloroethylene ND 1,2-Dichloropropane ND Methylene chloride NO 1,1,2,2-Tetrachloroethane NO Tetrachloroethylene 0.719 1,1,1-Trichloroethane 0.023 1,1,2-Trichloroethane ND Trichloroethylene 0.082 Trichlorofluoromethane NO Vinyl Chloride ND Acetone ND Carbon disulfide ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIBK) NO ND — Not Detected, Limit of Detection — 0.002ug SURROGATE STANDARDS ---------------------- 1,2-Dichloroethane-D4 Toluene-D8 Bromofluorobenzene INTERNAL STANDARDS ------------------- 1,4-Difluorobenzene Chloro Benzene (D5) Expected Determined %Recovery NG NG 8 ---------- 250 ---------- 248 ---------- 99 250 253 101 250 274 110 Expected Determined %Recovery NG NG 8 --------------------- ---------- ---------- 100 102 102 100 106 106 a 1113 JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 ESAL BATCH#: 920117 DATE RECEIVED: 01/14/92 DATE ANALYZED 01/27-28/92 DATE REPORTED: 01/28/92 Page I SAMPLE ID: 335-B ESAL SAMPLE#: 920117-04 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT RESULT ANALYTE ------------------------------ ug ---------- ANALYTE -------------I----------------- ug Benzene 0.021 1,1-Dichloroethylene ---------- NO Chlorobenzene ND trans-1,2-Dichloroethylene NO Ethylbenzene 0.006 1,2-Dichloropropans ND Styrene TRACE <0.002 Methylene chloride NO Toluene 0.040 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.028 Tetrachloroethylene 1.731 o-Xylene 0.012 1,1,1-Trichloroethane 0.017 1,1,2-Trichloroethane ND Bromoethane NO Trichloroethylene 0.209 Carbon tetrachloride NO Trichlorofluoromethane NO Chloroethane ND Vinyl Chloride ND Chloroform 0.002 Chloromethane NO Acetone ND Dibromochloromethane NO Carbon disulfide NO 1,1-Dichloroethane ND 2-Hexanone (MBK) ND 1,2-Dichloroethane ND 4-Methyl-2-pentanone (MIBK) NO cis-1,2-Dichloroethylene 0.013 ND — Not Detected, Limit of Detection — 0.002ug Expected Determined %Recovery SURROGATE STANDARDS ------------------------------ NG NG % 1,2-Dichloroethane-D4 ---------- 250 ---------- 246 ---------- 98 Toluene-D8 250 221 88 Bromofluorobenzene 250 232 93 Expected Determined %Recovery INTERNAL STANDARDS ------------------------------ NG NG % 1,4-Difluorobenzene ---------- 100 ---------- 103 ---------- 103 Chloro Benzene (D5) 100 110 110 TOWN OF MANSFIELD, MASSACHUSETTS February 24, 1992 50 West Street, Mansfield, MA 02048 Mr. & Mrs. Donald Lovely 353 South Main Street Mansfield, MA 02048 Dear Mr. & Mrs. Lovely, Enclosed please find the results of the indoor air sampling conducted in your home as part of the Short Term Measure for 340 South Main Street. None of the homes showed a Threshold Exposure Limit higher than that set by the Massachusetts Department of Environmental Protection for any of the compounds associated with the site. However, many homes exceed those standards for other compounds associated with chemicals used by the household. In evidence were chemicals associated with paint strippers and brush cleaners, gasoline and other solvents. The most likely reason for this is improper storage of the items. The risk of these chemicals in your home is roughly that associated with smoking. If you are a smoker, the risk is compounded. The enclosed results of the air test in your home are based on two samplings. The items associated with the site are tetrachloroethylene, trichloroethylene, 1,2-dichloroethylene and vinyl chloride. Any other items listed are additional compounds found in your home that are not associated with the site. Those items that are shaded exceed the above mentioned limit. It is strongly recommended that you examine your practices for storage of household chemicals and change those which fall short of good sense. If I may be of further assistance, please do not hesitate to contact this office. Your truly, Scot Leite Health Agent Attachment /dr INDOOR AIR SAMPLING RESULTS - FIRST ROUND Mansfield, Massachusetts Location: 353 South Main Street Date: 12/12/91 Results in parts per million (PPM) COMPOUND KITCHEN BASEMENT Tetrachloroethylene <0.16 <0.16 Trichloroethylene <0.10 <0.10 1,2-Dichloroethylene <0.10 <0.10 Vinyl Chloride <0.14 <0.14 INDOOR AIR SAMPLING RESULTS - SECOND ROUND Mansfield, Massachusetts Location: 353 South Main Street Date: 1/13/92 Results in parts per billion (PPB) COMPOUND I KITCHEN I BASEMENT I MASS. TEL Tetrachloroethylene 0.29 0.06 136 Trichloroethylene 0.39 0.26 6.8 1,2-Dichloroethylene <0.05 <0.05 54 Vinyl Chloride <0.08 <0.08 1.36 Benzene 0 78 1� 91 :: 0.54 Ethylbenzene 0.14 0.09 27.2 Styrene 0.07 <0.05 27.2 Toluene .................................................. 2 79 1.25 2.72 Xylenes 0.78 0.51 2.72 1,1,1-Trichloroethane 0.42 0.44 190 Mass. TEL - Threshold Effects Exposure Limit set by Mass. DEP Shaded results exceed Mass. TEL ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD,MA 01730 USA 617-275-0100 . TELEFAY. #:617-275-5529 LABORATORY ANALYSIS DATA FORM PAGE:1 CLIENT: TECH ENVIRONMENTAL, INC. CLIENT#: 52774 ROBERT O'NEAL BATCH: 915568 TECH ENVIRONMENTAL, INC. P.O.#: LETTER RESERVOIR PLACE 1601 TRAPELO ROAD WALTHAM, MA 02154 DATE REC'D:12/17/91 DATE REPORTED: 12/30/91 REPORT STATUS: FINAL (REVISED) ------------------------------------------------------------------------------- TEST DESCRIPTION METHOD (PERCHLOR): PERCHLOP.OETHYLENE .5335 (TCE): TP.ICHLOROETHYLENE 5336 (1,2-DCE): 1,2-DICHLOROETHYLENE NIOSH 1003 (VCM): VINYL CHLORIDE NIOSH 1007 ------------------------------------------------------------------------------- SMP PERCHLOR TCE 1,2-DCE VCM NO. DESCRIPTION (PPM) (PPM) (PPM) ----------------------- (PPM) --- 01 -------------------- 368-F-FT/BT ------------------------ <0.17 <0.10 <0.11 <0.14 02 368-B-FT/BT <0.17 <0.10 <0.10 ,,0.14 03 4-F-FT/BT <0.16 <0.10 <0.10 5.1 04 4-B-FT/BT <0.17 <0.10 <0.10 10.14 05 353-F-FT/BT <0.16 <0.10 <0.10 <0.14 06 353-B-FT/BT <0.16 <0.10 <0.10 <0.14 07 355-F-FT/BT <0.17 <0.10 <0.10 <0.14 08 355-B-FT/BT <0.16 <0.10 <0.10 ,0.14 09 1-F-FT/BT <0.16 <0.10 <0.10 <0.14 10 1-B-FT/BT <0.16 <0.10 <0.10 :0.14 11 335-F-FT/BT <0.16 <0.10 <0.10 <0.14 12 335-B-FT/BT <0.17 '0.10 <0.11 <0.14 13 10-F-FT/BT <0.17 <0.10 <0.10 0.14 14 10-B-FT/BT <0.17 <0.10 <0.11 <0.14 15 10-B-FB1/FB2 =S .oug/ .2.5ug/ <:2'oug/ 1.r)ug,/= 16 29-F-FT/BT <0.16 <0.10 <0.11 0.19 17 29-B-FT/BT <0.16 <0.10 <0.11 .0.14 18 50-F-FT/BT <0.17 <0.10 <0.11 '0.14 19 50-B-FT/BT ,0,17 0.10 20 15-B1-FT/BT <0.16 40.10 <0.11 1:0.14 21 15-B2-FT/BT <0.17 <0.10 <0.11 :0.14 IMPORTANT: THIS SERVICE SHALL BE SUBJECT TO THE TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE. Y RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 353-F ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 ESAL BATCH#: 920117 DATE RECEIVED: 01/14/92 DATE ANALYZED 01/27-28/92 DATE REPORTED: 01/28/92 ESAL SAMPLE#: 920117-05 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I Page 1 RESULT RESULT ANALYTE ug ANALYTE ug ---------- ------------------------------ Benzene ---------- 0,025 ------------------------------ 1,1-Dichloroethylene NO Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.006 1,2-Dichloropropane ND Styrene 0.003 Methylene chloride NO Toluene 0.105 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.025 Tetrachloroethylene 0,020 o-Xylene 0.009 1,1,1-Trichloroethane 0.023 1,1,2-Trichloroethane ND Bromoethane ND Trichloroethylene 0.021 Carbon tetrachloride ND Trichlorofluoromethane NO Chloroethane ND Vinyl Chloride ND Chloroform ND Chloromethane ND Acetone NO Dibromochloromethane ND Carbon disulfide ND 1,1-Dichloroethane ND 2-Hexanone (MBK) ND 1,2-Dichloroethane ND 4-Methyl-2-pentanone (MIBK) ND cis-1,2-Dichloroethylene ND ND — Not Detected, Limit of Detection — 0.002ug Expected Determined %Recovery SURROGATE STANDARDS NG NG % ------------------------------ 1,2-Dichloroethane-D4 ---------- 250 ---------- 267 ---------- 107 Toluene-D8 250 262 105 Bromofluorobenzene 250 268 107 Expected Determined %Recovery INTERNAL STANDARDS NG NG % ---------- ------------------------------ 1,4-Difluorobenzene ---------- 100 ---------- 117 117 Chloro Benzene (D5) 100 116 116 ESA LABORATORIES, INC. Page / 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 51113 ESAL BATCH#: 920117 JOEL LINDSAY - RIZZO ASSOCIATES, INC. DATE RECEIVED: 01/14/92 235 WEST CENTRAL STREET DATE ANALYZED 01/27-28/92 NATICK, MA 01760 DATE REPORTED: 01/28/92 PO#/RELEASE: 152205 SAMPLE ID: 353-B ESAL SAMPLE#: 920117-06 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT RESULT ANALYTE ug ANALYTE ug ---------- ------------------------------ Benzene ---------- 0.029 ------------------------------ 1,1-Dichloroethylene ND Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.004 1,2-Dichloropropane ND Styrene ND Methylene chloride ND Toluene 0,047 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.016 Tetrachloroethylene 0.004 o-Xylene 0.006 1,1,1-Trichloroethane 0.024 1,1,2-Trichloroethane ND Bromoethane ND Trichloroethylene 0.014 Carbon tetrachloride 0,004 Trichlorofluoromethane ND Chloroethane ND Vinyl Chloride ND Chloroform ND Chloromethane 0.016 Acetone ND Dibromochloromethane ND Carbon disulfide ND 1,1-Dichloroethane ND 2-Hexanone (MBK) ND 1,2-Dichloroethane ND 4-Methyl-2-pentanone (MIBK) ND cis-1,2-Dichloroethylene ND ND — Not Detected, Limit of Detection — 0.002ug SURROGATE STANDARDS ------------------------------ 1,2-Dichloroethane-D4 Toluene-D8 Bromofluorobenzene ' INTERNAL STANDARDS --------------------- 1,4-Difluorobenzene Chloro Benzene (D5) Expected Determined %Recovery NG NG % ---------- 250 ---------- 297 ---------- 119 250 252 101 250 258 103 Expected Determined %Recovery NG NG % -------- ---------- ---------- ---------- 100 120 120 100 101 101 1 u GROUNDWATER ❑ E] TECHNOLOGY January 11, 1992 Mr. David Tordoff United States Environmental Protection Agency Region 1, Environmental Services Division 60 Westview Street Lexington, Massachusetts 02173-3185 Subject: Notification of Start-up NPDES Permit Exclusion Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Dear Mr. Tordoff: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Refer: 01,106-5372 In accordance with the exclusion permit requirements, Groundwater Technology, Inc. on behalf of Textron Inc., submits this letter as 24 hour notification of start-up. The treatment system construction has been completed and is scheduled to begin operation on January 18, 1993. Operation and sampling of the system will be conducted in accordance with the provisions stated in your letter dated November 4, 1992, If you have any questions or concerns please contact our office at (617) 769-7602. Sincerely, GROUNDWATER TECHNOLOGY, INC. _ n John A. Colbert r Robert H. Bird Project Engineer Senior Project Manager RHB/jhl SJ24.45 cc: Mr. Robert C. Brayley, Textron Inc. Richard Mercer, Esquire, Federal Deposit Insurance Corp. Mr. Marcel Boelltz, DEP-Southeast Region Mr. Dick Lewis, Town of Mansfield Conservation Commission Mr. Scott Leite, Town of Mansfield Health Agent' Offices throughout the U.S., Canada and Overseas GROUNDWATER ❑�� TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Letter of TranSMittol Tel: (617) 769-7602 Fax: (617) 769-7785 Bureau Of Waste Site Cleanup, TO: Department of Env. Protection Southeast Regional Office ADDRESS Lakeville Hospital CITY Lakeville, MA ATTENTION: Mr. Marcel Boelitz/Mr. Mark Begley We are sending you: X Herewith F� lylsltftTA< C o s 1g REc�,/VFo2 DATE: July 1, 1992 Vic]: By Hand n Under separate cover Tracings _ Specifications 01106-5372 Prints Other Two copies of the Short Term Measure Design and Design Report for the Former Gorham Silver Site, 340 South Main Street, Mansfield, MA. These are: (As checked below) Per your request For your files X For your approval For use on job X For review and comment Rem crks These are submitted in accordance with the DEP approval of the proposed STM workplan and STM Design Study Improvements dated April 21, 1992. If enclosures received are not as listed above, please notify at once CC Robert Brayley, Textron, Inc. Very truly yours, GROUNDWATER TECHNOLOGY, INC. William Yetman, Gauranty-First Trust Richard Hugto, Rizzo Associates, Inc. 6y Roger Thibault Sr. Project Manager Offices throughout the U.S., Canada and Overseas Textron Inc. July 13, 1992 Mr. Scott Leite Health Agent Town of Mansfield 50 West Street Mansfield, MA 02048 Dear Scott: 40 Westminster Street Providence, R.I. 02903 401/421-2800 Enclosed for your information is a copy of the Short Term Measure Design Report recently prepared by Groundwater Technologies. Should you have any questions concerning this report, please don't hesitate to call me. Very truly yours, Robert C. Brayley' Manager, Site Remediation RCB/mbv RCS128 GROUNDWATER ❑E❑ TECHNOLOGY October 23, 1992 Mr. David Tordoff United States Environmental Protection Agency Region 1, Environmental Services Division 60 Westview Street Lexington, Massachusetts 02173-3185 Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Project No. 01106-5372 Subject: Request for Temporary Exclusion from NPDES Permit Requirements Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Dear Mr. Tordoff: Textron Inc. has been granted approval by the Commonwealth of Massachusetts Department of Environmental Protection (DEP) to Implement a Short Term Measure (STM) at the subject site for a system to control and remediate the area with the highest concentrations of chlorinated hydrocarbons in the soil and groundwater. A copy of the approval letter issued by the DEP is attached. As this letter indicates, a groundwater recovery and treatment system along with soil vapor extraction and air sparging are an Integral part to the STM. Treated water from this system will be discharged to a wetlands via a storm drainage ouffall at Leonard Street. The wetlands are a tributary of the Rumford River. A Site Location Map which shows the location of the subject site in relation to the Rumford River is attached. Groundwater Technology Inc., on behalf of Textron Inc., is requesting a temporary exclusion from the requirements for a NPDES permit. Pilot studies were conducted at the site in late May and August of 1992 by Groundwater Technology to determine the aquifer characteristics and the concentration of chlorinated hydrocarbons and metals in the groundwater. From these studies we have determined that a flow rate of less than 5 gpm from a total of three pumping wells will be sufficient to establish hydraulic control of the dissolved chlorinated hydrocarbon plume. Removal of the chlorinated hydrocarbons (predominantly tetrachloroethene (PCE) with some trichloroethene (TCE)) will be conducted by the use of two 1,500 pound carbon adsorption beds Installed in series. Expected effluent water quality for the priority pollutant metals is as summarized in Table 1 of the attached Addendum to Short Term Measure Design Report. A specific metals treatment system is not incorporated at this time. Based on our discussion with Donald Grant from your office, the EPA may Offices throughout the U.S., Canada and Overseas Mr. David Tordoff Department of Environmental Protection October 23, 1992 Page 2 not impose a discharge limit for zinc. If a limit for zinc is imposed, a thirty day retest period may be granted. If the levels of zinc do not decline below the imposed discharge limit after thirty days, additional treatment may be required. The DEP approval letter has accepted our sampling program for the treatment system. Details of the program can be found In Section 3.0, Monitoring and Maintenance Schedule, of the attached Addendum to Short Term Measure Design Report. With your approval, Groundwater Technology will monitor the effluent of the water treatment system in accordance with this plan. Additionally, an application for an NPDES permit will be submitted to the USEPA within four months of the STM activation. Our present schedule indicates that the STM will be activated at the end of the December, 1992. To proceed with the installation and operation of the proposed STM treatment'system, your authorization to discharge treated groundwater to the. tributary wetlands of the Rumford River under an emergency exclusion to NPDES is requested. If you have any questions or require additional Information, please do not hesitate to call us at (617) 769-7602. We thank you in advance for your prompt response. Sincerely, GROUNDWATER TECHNOLOGY, INC. John A Colbert Project Engineer RHB/kes SJ23.39 64:-?4 Robert H. Bird Senior Project Manager cc: Mr. Robert C. Brayley, Textron Inc. Mr. William Yetman, First Guaranty Trust Corp. Mr. Marcel Boelitz, MADEP-Southeast Region Mr. Dick Lewis, Town of Mansfield Conservation Commission Mr' Scott'Leite, Town of Mansfield Health Agent ❑❑DI GROUNDWATER ❑❑❑TECHNOLOGY ❑ 1�4:l GROUNDWATER ❑❑lam TECHNOLOGY October 29, 1992 Mr. Dick Lewis Environmental Planner Town of Mansfield 50 West Street Mansfield, Massachusetts 02048 Subject: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Dear Mr. Lewis: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Project No. 01106-5372 On October 26, 1992, Groundwater Technology, Inc., on behalf of Textron Inc., requested permission from the Mansfield Conservation Commission to discharge treated groundwater, via the existing storm drain system, to the wetlands located west of Leonard Street. During the October 26, 1992 meeting, the Mansfield Conservation Commission approved the request subject to the following conditions: The Town of Mansfield Conservation Commission will be copied on all correspondence and reports submitted to the United States Environmental Protection Agency (USEPA) or the Commonwealth of Massachusetts Department of Environmental Protection (DEP). 2. The Town of Mansfield Conservation Commission will be notified if additional outfall locations for surface water discharge are planned. Tex'Iron inc. has authorized Groundwater Technology to comply with these conditions. Thank you very much for your cooperation in expediting the consideration of this matter. If you have any questions or If I can be of further assistance, please call me at (617) 769-7602. Sincerely, GROUNDWATEWTECHN OGY, INC. Robert H. Bird Senior Project Manager RHB/bb SJ23.46 cc: Mr. Robert C. Brayley, Textron Inc. Mr. David Tordoff, USEPA Mr. Marcel Boelitz, DEP Mr. Scott Leite, Mansfield Health Agent Offices throughout the U.S., Canada and Overseas H-1r7J1r5-11 GROUNDWATER TECHNOLOGY October 26, 1992 Mr. Dick Lewis Environmental Planner Town of Mansfield Conservation Commission 50 West Street Mansfield, Massachusetts 02048 Subject: Former Gorham Silver Company 340 Main Street Mansfield, Massachusetts Dear Mr. Lewis: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Project No. 01106-5372 As we discussed on the telephone the other day, Groundwater Technology, on behalf of Textron Inc., is in the process of installing a soil and groundwater remediation system at the subject site. This work is being conducted as a Short Term Measure in accordance with the Massachusetts Contingency Plan (310 CMR 40). One critical component of the remedlation system is groundwater extraction and treatment. Our current plan calls for discharge of the treated groundwater to the storm drain on Edgewood Street, which outfalls to a wetlands west of Leonard Street. The wetlands are a tributary to the Rumford River. An Expanded Site Map which shows the location of the subject site and the proposed discharge point relative to the Rumford River is attached. The discharge to surface water will be regulated by the U.S. Environmental Protection Agency (EPA) under a temporary exclusion to the NPDES permit program (see attached letter). Within four (4) months of system startup, a formal NPDES permit will be submitted to the EPA. Groundwater Technology, on behalf of Textron Inc., is requesting the permission of the Town of Mansfield Conservation Commission to conduct this discharge. If you have any questions or require additional information, please do not hesitate to contact me at (617) 769-7602. Sincerely, GROUNDWATER TECHNOLOGY, INC. Robert H. Bird Senior Project Manager RHB/bb cc: Mr. Robert C. Brayley, Textron Inc. Mr. William Yetman, First Guaranty Trust Corp. Mr. David Tordoff, USEPA-Region I (w/o enclosures) Mr. Marcel Boelitz, MADEP-Southeast Region (w/o enclosures) Mr. Scott Lelte, Town of MansfieldHealth Agent (w/o enclosures)" Offices throughout the U.S., Canada and Overseas FIEW GROUNDWATER E111 TECHNOLOGY November 25, 1992 Mr. Robert Swanson Department of Public Works Director Town Engineer Town of Mansfield 50 West Street Mansfield, Massachusetts 02048 Subject: Storm Sewer Discharge Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Dear Mr. Swanson, Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Refer: 01106-5372 On behalf of Textron Inc., Groundwater Technology, Inc. is installing a soil and groundwater remedlation system at the subject site. This work is being conducted as a Short Term Measure, in accordance with the Massachusetts Contingency Plan (310 CMR 40). As requested, the following information clarifies the proposed route of discharge for the treated groundwater. The groundwater recovery system is designed to capture and treat the water with activated carbon filters. The design flow is three gallons per minute (gpm). Treated groundwater will be gravity drained from the treatment system to an on site catch basin located at the western edge of the parking lot of the above referenced site. Groundwater Technology investigated the existing storm sewer system and determined that a 12-Inch reinforced concrete pipe services the subject property with the outfail located west of Leonard Street. Introducing an additional flow of three gpm, compared to the size of the pipe should not significantly reduce the capacity of the system in a storm event. See the attached Figure 1 for details of the storm drain network. The outfail of the storm sewer is to a wetlands located west of Leonard Street. The wetlands are a tributary to Rumford River. Discharge to the surface water is approved and will be regulated by the United States Environmental Protection Agency (EPA) under a temporary exclusion to the NPDES permit program (see attached letter). Within four months of system start-up, a formal NPDES permit application will be submitted to the EPA. Approval by the Town of Mansfield Conservation Commission to conduct this discharge has been granted, see the attached authorization letter for conditions. Offices throughout the U.S., Canada and Overseas Mr. Robert Swanson Town of Mansfield November 25, 1992 Page 2 Groundwater Technology, on behalf of Textron Inc., is requesting the permission of the Town of Mansfield to tie into the on -site catch basin connected to the storm drainage network at the intersection of South Main and Leonard streets. If you have any questions or require additional information, please do not hesitate to contact our office. Sincerely, GROUNDWATER TECHNOLOGY, INC. John A. Colbert Project Engineer JAC\jhl SJ24.10 Enclosures Robert H. Bird Senior Project Manager copy: Mr. Robert C. Brayley, Textron Inc., 40 Westminster St., Providence, RI 02903 Mr. William Yetman, First Guaranty Trust Corp., 159 Overland Road, Waltham, MA 02254 Mr. Scott Liete, Town of Mansfield Board of Health, 50 West Street, Mansfield, MA 02048 Mr. Dick Lewis, Town of Mansfield Conservation Commission, 50 West Street, Mansfield, MA Mr. Marcel Boelftz, DEP, Lakeville, MA Mr. David Tordoff, USEPA, Lexington, MA r❑lr❑®�I GROUNDWATER El I TECHNOLOGY !§, . z § °S ) §!§ ) k§ §(2 §§ �] I la , §. . � S A UNITED STATES ENVIRONMENTAL PROTECTION AGENCY pp REGION I Y� ENVIRONMENTAL SERVICES DIVISION 4 fNoVgmber 1992 60 WESTVIEW STREET, LEXINGTON. MASSACHUSETTS 02173-3185 Mr. Robert Brinc?y Textron, 40 Westainster 3eret lsland 02903 providence, Re: NPDES Permit Exclusion Silver Company Former Gorham 340 South Main Street Mansfield, Massachusetts 02048 Dear Mr. Brayley: of Groundwater provided by Robert Bird of the Based on information P rant you, pursuant to Title 40 Technology (GTI)r Inc., I g an exclusion from the Code of Federal Regulations, Part 122.3(d) ery and treatment requirement for a permit under the National Pollutant Discharge System (NPDES), in Order that a ion at the referenced Elimination egin operations, in a timely fashion, system may facility. the State of be established by town of Mansfield, you are authorized to Subject to other controls that may per minute, through a Massachusetts, and the gallons of water P to a carbon discharge approximatel Yo ndwater depression leading flow), of'g for the anticipated system consisting sized appropriately stem that is tributary filtration system( prior to discharge into a storm drainage sy to the Rumford River. Discharge operations must be conducted in accordance with the following provisions: No discharge of oil, sufficient to cause a sheen (as defined occurs ff the drainage system. The discharge 1' constitutes an oil spill and in 40 CFR 110), or gasoline, onse Center of a sheen of oil, to the National Resp must be reported, immediately, (NnC) at (800) 424-8802. 2• Security provisions oTeothertincident willassure bethat addressed min a failure, vandalism, the loss of oi: or contaminated timely fashion, preventing drainage water to the storm water system• must Sampling and analysis, in accordance chemicals EPAwith Methods the listed 3• the following be performed for limits being applicable: 5 ppb Benzene Toluene Ethyl Benzene GROUNDWATER ❑❑❑ TECHNOLOGY October 29, 1992 Mr. Dick Lewis Environmental Planner Town of Mansfield 50 West Street Mansfield, Massachusetts 02048 Subject: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Dear Mr. Lewis: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Project No. 01106-5372 On October 26, 1992, Groundwater Technology, Inc., on behalf of Textron Inc., requested permission from the Mansfield Conservation Commission to discharge treated groundwater, via the existing storm drain system, to the wetlands located west of Leonard Street. During the October 26, 1992 meeting, the Mansfield Conservation Commission approved the request subject to the following conditions: 1. The Town of Mansfield Conservation Commission will be copied on all correspondence and reports submitted to the United States Environmental Protection Agency (USEPA) or the Commonwealth of Massachusetts Department of Environmental Protection (DEP). 2. The Town of Mansfield Conservation Commission will be notified if additional outfall locations for surface water discharge are planned. Textron Inc. has authorized Groundwater Technology to comply with these conditions. Thank you very much for your cooperation in expediting the consideration of this matter. If you have any questions or if I can be of further assistance, please call me at (617) 769-7602. v> Sincerely, GROUNDWATER TECHN OGY, INC. Robert H. Bird Senior Project Manager RHB/bb SJ23.46 cc: Mr. Robert C. Brayley, Textron Inc. Mr. David Tordoff, USEPA Mr. Marcel Boelitz, DEP Mr. Scott Leite, Mansfield Health Agent Offices throughout the U.S., Canada and Overseas ❑� GROUNDWATER ❑❑❑ TECHNOLOGY December 18, 1992 Mr. Marcel Boelitz The Commonwealth of Massachusetts Department of Environmental Protection Southeast Regional Office Lakeville, Massachusetts 02347 Subject: Monthly Status Report - October, 1992 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts DEP Site No. 4-0955 Dear Mr. Boelitz: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Refer: 01106-5372 (680128) On September 29, 1992 the Short Term Measure Design was approved with one of the stipulations requiring monthly progress reports. On of behalf of Textron Inc., Groundwater Technology submits this monthly status report for the subject site to satisfy that requirement. The following items highlight the activities performed during the month of October 1992. • Submitted Request for Temporary Exclusion from NPDES permit requirements from the USEPA to obtain permission to discharge treated groundwater. • Obtained permission from the Mansfield Conservation Commission to discharge treated groundwater to the wetlands located west of Leonard Street. • Finalized design and prepared design documents and drawings. • Procured equipment and subcontractors for system installation. If you have any questions or require further information, please contact us at (617) 769-7602. Sincerely, GROUNDWATER TECHNOLOGY, INC. John A. Colbert Project Engineer JAC/RHB/dmm Copy Mr. Robert C. Brayley, Textron Inc. Mr. Richard Mercer, Esq., Federal Deposit Insurance Corp. Mr. 'Scott +Leite,'Mansfield Health Department sj8s.9 ((moo motif 17 .� Robert H. Bird Senior Project Manager Offices throughout the U.S., Canada and Overseas �0® GROUNDWATER ❑0❑ TECHNOLOGY December 18, 1992 Mr. Marcel Boelitz The Commonwealth of Massachusetts Department of Environmental Protection Southeast Regional Office Lakeville, Massachusetts 02347 Subject: Monthly Status Report - November, 1992 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts DEP Site No. 4-0955 Dear Mr. Boelitz: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Refer: 01106-5372 (680128) On September 29, 1992 the Short Term Measure Design was approved with one of the stipulations requiring monthly progress reports. On of behalf of Textron Inc., Groundwater Technology submits this monthly status report for the subject site to satisfy that requirement. The following items highlight the activities performed during the month of November 1992. Submitted notification to Town of Mansfield Engineering Department for connection to storm sewer system at subject site. Obtained permission to discharge treated water under the Temporary Exclusion from NPDES permit requirements from the USEPA. • Obtained building permit from the Town of Mansfield to construct the treatment building. • Installed wells for soil vapor extraction, air sparging and groundwater pumping. • Started construction on the treatment building and trenching for system installation. The attached schedule, titled 'Textron/Mansfield Short Term Measure Implementation", provides additional details of the activities completed and scheduled for the months of October, November, December of 1992 and into the early months of 1993. Offices throughout the U.S., Canada and Overseas Mr. Marcel Boelitz The Commonwealth of Massachusetts Department of Environmental Protection December 18, 1992 Page 2 If you have any questions or require further information, please contact us at (617) 769-7602. Sincerely, GROUNDWATER TECHNOLOGY, INC. John A. Colbert Project Engineer Robert H. Bird Senior Project Manager Copy: Mr. Robert C. Brayley, Textron Inc. Mr. Richard Mercer, Esq., Federal Deposit Insurance Corp. Mr. Scott Leite, Mansfield Health Department sj8s.10 �GROUNDWATER (TECHNOLOGY 0 . . • . . . .I • •• . • • • • • • U IO N • • • • • • • • • • • • • . . • • • • • • . . . . �O P III, �•' I w• . . • • • • . . • • . • • . • • . . . TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 February 24, 1992 Mr. Robert Paulson 50 Benefit Street Mansfield, MA 02048 Dear Mr. Paulson, Enclosed please find the results of the indoor air sampling conducted in your home as part of the Short Term Measure for 340 South Main Street. None of the homes showed a Threshold Exposure Limit higher than that set by the Massachusetts Department of Environmental Protection for any of the compounds associated with the site. However, many homes exceed those standards for other compounds associated with chemicals used by the household. In evidence were chemicals associated with paint strippers and brush cleaners, gasoline and other solvents. The most likely reason for this is improper storage of the items. The risk of these chemicals in your home is roughly that associated with smoking. If You are a smoker, the risk is compounded. The enclosed results of the air test in your home are based on two samplings. The items associated with the site are tetrachloroethylene, trichloroethylene, 1,2-dichloroethylene and vinyl chloride. Any other items listed are additional compounds found in your home that are not associated with the site. Those items that are shaded exceed the above mentioned limit. It is strongly recommended that you examine your Practices for storage of household chemicals and change those which fall short of good sense. If I may be of further assistance, please do not hesitate to contact this office. Yo ulY, Scot Lefte Health Agent Attachment /dr INDOOR AIR SAMPLING RESULTS - FIRST ROUND Mansfield, Massachusetts Location: 50 Benefit Street Date: 12/13/91 Results in parts per million (PPM) COMPOUND KITCHEN BASEMENT Tetrachloroethylene < 0.17 < 0.17 Trichloroethylene <0.10 <0.10 1,2-Dichloroethylene <0.11 <0.11 Vinyl Chloride <0.14 <0.14 INDOOR AIR SAMPLING RESULTS - SECOND ROUND Mansfield, Massachusetts Location: 50 Benefit Street Date: 1/13/92 Results in parts per billion (PPB) COMPOUND KITCHEN BASEMENT MASS. TEL Tetrachloroethylene 0.03 0.06 136 Trichloroethylene 0.19 0.20 6.8 1,2-Dichloroethylene <0.05 <0.05 54 Vinyl Chloride <0.08 <0.08 1.36 Benzene 0.88 122 0.54 Ethylbenzene 0.25 0.55 27.2 Styrene 0.09 0.19 27.2 Toluene Boom 4 76 2.72 Xylenes 1.34 3 32 ..................... 2.72 Acetone 1.52 1.05 68 1,1,1-Trichloroethane 0.40 0.57 190 Mass. TEL - Threshold Effects Exposure Limit set by Mass. DEP Shaded results exceed Mass. TEL ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD,MA 01730 USA 617-275-0100 . TELEFAX #:617-275-5529 LABORATORY ANALYSIS DATA FORM PAGE:1 CLIENT: TECH ENVIRONMENTAL, INC. CLIENT#: 52774 ROBERT O'NEAL BATCH: 915568 TECH ENVIRONMENTAL, INC. P.O.#: LETTER RESERVOIR PLACE 1601 TRAPELO ROAD WALTHAM, MA 02154 DATE REC'D:12/17/91 DATE REPORTED: 12/30/91 REPORT STATUS: FINAL (REVISED) ------------------------------------------------------------------------------- TEST DESCRIPTION METHOD (PERCHLOR): PERCHLOROETHYLENE .5335 (TCE): TRICHLOROETHYLENE 5336 (1,2-DCE): 1,2-DICHLOROETHYLENE NIOSH 1003 (VCM): VINYL CHLORIDE NIOSH 1007 ------------------------------------------------------------------------------- SMP PERCHLOR TICE 1,2-DCE VCM NO. DESCRIPTION (PPM) (PPM) (PPM) ----------------------- (PPM) --- 01 -------------------- 368-F-FT/BT ------------------------ 0.17 0.10 <0.11 <0.14 02 368-B-FT/BT <0.17 <0.10 <0.10 <0.14 03 4-F-FT/BT <0.16 <0.10 <0.10 5.1 04 4-B-FT/BT <0.17 <0.10 <0.10 <0.14 05 353-F-FT/BT <0.16 <0.10 <0.10 0.14 06 353-B-FT/BT <0.16 <0.10 <0.10 <0.14 07 355-F-FT/BT <0.17 <0.10 <0.10 <0.14 08 355-B-FT/BT <0.16 <0.10 <0.10 <0.14 09 1-F-FT/BT <0.16 <0.10 <0.10 <0.14 10 1-B-FT/BT <0.16 <0.10 <0.10 '0.14 11 335-F-FT/BT <0.16 <0.10 <0.10 <0.14 12 335-B-FT/BT <0.17 <0.10 <0.11 <0.14 13 10-F-FT/BT <0.17 <0.10 <0.10 <0.14 14 10-B-FT/BT <0.17 <0.10 <0.11 :0.14 15 10-B-FB1/FB2 <5.ougl 2.51-ig/s <2.oug/s :1.6V,g;s 16 29-F-FT/BT <0.16 <0.10 <0.11 0.19 17 29-B-FT/BT <0.16 <0.10 <0.11 :0.14 18 50-F-FT/BT <0.17 <0.10 <0.11 0.14 19 50-B-FT/BT <0.17 ?0.10 20 15-B1-FT/BT <0.16 <0.10 <0.11 <0.14 21 15-B2-FT/BT <0.17 <0.10 <0.11 0.14 IMPORTANT: THIS SERVICE SHALL BE SUBJECT TO THE TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE. I JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 50-F ANALYTE Benzene Chlorobenzene Ethyibenzene Styrene Toluene m/p-Xylene o-Xylene ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 Page 1 ESAL BATCH#: 920117 DATE RECEIVED: 01/14/92 DATE ANALYZED 01/27-28/92 DATE REPORTED: 01/28/92 ESAL SAMPLE# THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT ug 0.028 ND 0.011 0.004 0.135 0.044 0,014 Bromoethane ND Carbon tetrachloride ND Chloroethane ND Chloroform TRACE <0.002 Chloromethane ND Dibromochloromethane ND 1,1-Dichloroethane ND 1,2-Dichloroethane ND cis-1,2-Dichloroethylene ND 04"100 1,1-Dichloroethylene trans-1,2-Dichloroethylene 1,2-Dichloropropane Methylene chloride 1,1,2,2-Tetrachloroethane Tetrachloroethylene 1,1,1-Trichloroethane 1,1,2-Trichloroethane Trichloroethylene Trichlorofluoromethane. Vinyl Chloride 920117-07 RESULT ug ND ND ND ND ND 0.002 0.022 ND 0.010 ND ND Acetone 0.036 Carbon disulfide ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIBK) ND ND — Not Detected, Limit of Detection — 0.002ug Expected Determined %Recovery SURROGATE STANDARDS NG NG % ---------- ------------------------------ 1,2-Dichloroethane-D4 ---------- 250 ---------- 265 105 Toluene-D8 250 273 109 Bromofluorobenzene 250 270 108 Expected Determined %Recovery INTERNAL STANDARDS NG NG % ---------- ------------------------------ 1,4-Difluorobenzene ---------- 100 ---------- 98 98 Chloro Benzene (D5) 100 95 95 I 51113 JOEL LINDSAY RIZZO ASSOCIATES, INC. 235 WEST CENTRAL STREET NATICK, MA 01760 PO#/RELEASE: 152205 SAMPLE ID: 50-B Benzene Chlorobenzene Ethylbenzene Styrene Toluene m/p-Xylene o-Xylene ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 Page 1 ESAL BATCH#: 920117 DATE RECEIVED: 01/14/92 DATE ANALYZED 01/27-28/92 DATE REPORTED: 01/28/92 ESAL SAMPLE#: THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I Bromoethane Carbon tetrachloride Chloroethane Chloroform Chloromethane Dibromochloromethane 1,1-Dichloroethane 1,2-Dichloroethane cis-1,2-Dichloroethylene RESULT ug 0.039 ND 0.024 0.008 0.179 0.109 0.035 ND ND ND ND ND NO ND ND ND ANALYTE 1,1-Dichloroethylene trans-1,2-Dichloroethylene 1,2-Dichloropropane Methylene chloride 1,1,2,2-Tetrachloroethane Tetrachloroethylene 1,1,1-Trichloroethane 1,1,2-Trichloroethane Trichloroethylene Trichlorofluoromethane Vinyl Chloride ND — Not Detected, Limit of Detection — 0.002ug SURROGATE STANDARDS ------------------------------ 1,2-Dichloroethane-D4 Toluene-D8 Bromofluorobenzene INTERNAL STANDARDS ------------------- 1,4-Difluorobenzene Chloro Benzene (D5) 920117-08 RESULT ug ND ND ND ND ND 0.004 0.031 ND 0.011 0.007 ND Acetone 0.025 Carbon disulfide ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIBK) ND Expected Determined %Recovery NG NG % ---------- 250 ---------- 269 ---------- 108 250 259 104 250 294 118 Expected Determined %Recovery NG NG % ----------- ---------- ---------- ---------- 100 89 89 100 93 93 TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA02048 February 24, 1992 Mr. & Mrs. John Dei 15 Basin Street Mansfield, MA 02048 Dear Mr. & Mrs. Dei, Enclosed please find the results of the indoor air sampling conducted in your home as part of the Short Term Measure for 340 South Main Street. None of the homes showed a Threshold Exposure Limit higher than that set by the Massachusetts Department of Environmental Protection for any of the compounds associated with the site. However, many homes exceed those standards for other compounds associated with chemicals used by the household. In evidence were chemicals associated with paint strippers and brush cleaners, gasoline and other solvents. The most likely reason for this is improper storage of the items. The risk of these chemicals in your home is roughly that associated with smoking. If you are a smoker, the risk is compounded. The enclosed results of the air test in your home are based on two samplings. The items associated with the site are tetrachloroethylene, trichloroethylene, 1,2-dichloroethylene and vinyl chloride. Any other items listed are additional compounds found in your home that are not associated with the site. Those items that are shaded exceed the above mentioned limit. It is strongly recommended that you examine your practices for storage of household chemicals and change those which fall short of good sense. If I may be of further assistance, please do not hesitate to contact this office. qt��te— y, —� Health Agent Attachment /dr INDOOR AIR SAMPLING RESULTS - FIRST ROUND Mansfield, Massachusetts Location: 15 Basin Street Date: 12/13/91 Results in parts per million (PPM) COMPOUND BASEMENTI BASEMENT2 Tetrachloroethylene <0.16 <0.17 Trichloroethylene < 0.10 < 0.10 1,2-Dichloroethylene < 0.11 < 0.11 Vinyl Chloride <0.14 <0.14 a INDOOR AIR SAMPLING RESULTS - SECOND ROUND Mansfield, Massachusetts Location: 15 Basin Street Date: 1/10/92 Results in parts per billion (PPB) COMPOUND KITCHEN BASEMENT MASS. TEL Tetrachloroethylene 0.06 0.06 136 Trichloroethylene 0.17 0.06 6.8 1,2-Dichloroethylene <0.05 <0.05 54 Vinvl Chloride <0.08 <0.08 1.36 Benzene 2.35 2.95 " 0.54 Ethylbenzene 0.60 0.67 27.2 Styrene 0.12 0.07 27.2 Toluene 2.72 Xylenes 3.85 4,11 2.72 Carbon tetrachloride 0.32 0.08 13.6 1,1,1-Trichloroethane 2.31 0.82 190 Mass. TEL - Threshold Effects Exposure Limit set by Mass. DEP Shaded results exceed Mass. TEL 0 ESA LABORATORIES, INC. 43 WIGGINS AVENUE BEDFOR.D,MA 01730 USA 617-275-0100 . TELEFAX #:617-275-5529 LABORATORY ANALYSIS DATA FORM PACE:1 CLIENT: TECH ENVIRONMENTAL, INC. CLIENT#: 52774 ROBERT O'NEAL BATCH: 915560" TECH ENVIRONMENTAL, INC. P.O.#: LETTER RESERVOIR PLACE 1601 TRAPELO ROAD WALTHAM, MA 02154 DATE REC'D:12/17/91 DATE REPORTED: 12/30/91 REPORT STATUS: FINIAL (REVISED) ----------------------TEST DESCRIPTICN METHOD (PERCHLOR): PERCHLOROETHYLENE 5335 (TCE): TRICHLOROETHYLENE 5336 ( i, 2-DCE) 1, 2-DICHLOR'OETH'.I,ENE NIIO^H 1 003 (VCM): VINYL CHLORIDE NIOSH 1007 - --- ------------------------------- : ------------- - 1 1 NO. DESCRIPTTCN (PPhi) (P bi) (PP'4` (^Py7) 01 363-F-FT/BT ------------------------ 0.17, 0.10 -- 02 363-B-FT/BT 0.17 10.10 03 4-F-FT/BT 0.16 0.10 0.10 5.1 04 4-B-FT/BT 0.17 <0.10 <0.10 <0.14 05 353-.-^T/3T 10.10 0.10 O.,d 06 353-B-FT/BT :0.16 0,10 0.10 0.14 07 355-F-FT/BT 0.17 <0.10 0.10 0.14 03 355-B-FT/BT <0.16 0.10 p.10 0.14 09 1-F-FT/BT 0.16 0.10 0.10 10 1-B-FT/BT :0.16 0.10 0.10 0.1- 11 335-F-r^T/BT <0.16 0.10 0.10 0.14 12 335-B-FT/BT <0.17 0.10 0.11 0.1 13 10-F-FT/BT 0.17 0.10 '0.10 0.14 14 10-B-FT/BT 0.17 0.10 0.11 ^,.14 15 1 O-B-FB1 / FB2 5. 01.:g! = ^ . 5tag/s i_. Oug/ =, 16 29-F-FT/BT 0.1fi 0.10 :0.11 0.19 1" 29-c-FT/3T 0.16 0.10 :0.11 0.14 18 50-F-FT/BT 0.1'7 0.10 0.11 0.44 19 50-B-FT/B.'^ 0 17 20 15-B1-FT/BT :0.16 0.10 <0.11 ,0.14 21 15-B2-FT/BT <0.17 0.10 <0.11 0.14 IMPORTANT: THIS SERVICE SHALL BE SUBJECT TO THE TERMS AND CONDITIONS SET FORTH ON THE REVERSE SIDE. ESA LABORATORIES, INC. Page 43 WIGGINS AVENUE 1�sa BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 51113 ESAL BATCH#: 920102 JOEL LINDSAY RIZZO ASSOCIATES, INC. DATE COLLECTED: 01/10/92 235 WEST CENTRAL STREET DATE RECEIVED: 01/13/92 NATICK, MA 01760 DATE ANALYZED O1/16-17/92 DATE REPORTED: 01/21/92 PO#/RELEASE: 152205 SAMPLE ID: 15-F ESAL SAMPLE#: 920102-07 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT RESULT ANALYTE ------------------------------ ug ---------- ANALYTE ------------------------------ ug Benzene 0.075 1,1-Dichloroethylene ---------- ND Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.026 1,2-Dichloropropane ND Styrene 0,005 Methylene chloride ND Toluene 0.403 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.132 Tetrachloroethylene 0.004 o-Xylene 0.035 1,1,1-Trichloroethane 0.126 1,1,2-Trichloroethane ND Bromoethane ND Trichioroethylene 0.009 Carbon tetrachloride 0.007 Trichlorofluoromethane ND Chloroethane ND Vinyl Chloride ND Chloroform NO cis-1,2-Dichloroethylene ND Chloromethane ND Dibromochloromethane ND Acetone NO 1,1-Dichloroethane NO Carbon disulfide ND 1,2-Dichloroethane ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIRK) ND ND - Not Detected, Limit of Detection - 0.002ug SURROGATE STANDARDS ------------------------------ 1,2-Dichloroethane-D4 Toluene-D8 Bromofluorobenzene INTERNAL STANDARDS Expected Determined %Recovery NG NG % ---------- ---------- ---------- 250 238 95 250 240 96 250 248 99 Expected Determined %Recovery NG NG 8 ---------------------------------------- ---------- ---------- 1,4-Difluorobenzene 100 98 98 Chloro Benzene (D5) 100 86 86 11 ESA LABORATORIES, INC. Page 43 WIGGINS AVENUE BEDFORD, MA 01730 (617) 275-0100 FAX: (617) 275-5529 51113 ESAL BATCH#: 920102 JOEL LINDSAY RIZZO ASSOCIATES, INC. DATE COLLECTED: 01/10/92 235 WEST CENTRAL STREET DATE RECEIVED: 01/13/92 NATICK, MA 01760 DATE ANALYZED 01/16-17/92 DATE REPORTED: 01/21/92 PO#/RELEASE: 152205 SAMPLE ID: 15-B ESAL SAMPLE#: 920102-08 THERMAL DESORPTION GC/MS QUANTITATIVE TARGET COMPOUND ANALYSIS - LEVEL I RESULT RESULT ANALYTE ------------------------------ ug ---------- ANALYTE ----------------------------- ug Benzene 0.094 - 1,1-Dichloroethylene ---------- ND Chlorobenzene ND trans-1,2-Dichloroethylene ND Ethylbenzene 0.029 1,2-Dichloropropane ND Styrene 0.003 Methylene chloride ND Toluene 0.455 1,1,2,2-Tetrachloroethane ND m/p-Xylene 0.139 Tetrachloroethylene 0.004 o-Xylene 0.039 1,1,1-Trichloroethane 0.045 1,1,2-Trichloroethane ND Bromoethane VD Trichloroethylene 0.003 Carbon tetrachloride 0.005 Trichlorofluoromethane ND Chloroethane ND Vinyl Chloride ND Chloroform ND cis-1,2-Dichloroethylene ND Chloromethane ND Dibromochloromethane ND Acetone ND 1,1-Dichloroethane ND Carbon disulfide ND 1,2-Dichloroethane ND 2-Hexanone (MBK) ND 4-Methyl-2-pentanone (MIBK) ND ND - Not Detected, Limit of Detection - 0.002ug SURROGATE STANDARDS ------------------------------ 1,2-Dichloroethane-D4 Toluene-D8 Bromofluorobenzene INTERNAL STANDARDS ------------------- 114-Difluorobenzene Chloro Benzene (D5) Expected Determined %Recovery NG NG % ---------- 250 ---------- 260 ---------- 104 250 175 70 250 220 88 Expected Determined %Recovery NG NG % ----------- ------------------------------ 100 82 82 100 65 65 1 TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 MEMORANDUM TO : Police Chief Jesse EarlsC/�I�JIy FROM: Scott Leite, Health.Agent✓ RE . Former Standards Metal Co., Edgewood/South Main Streets DATE: June 4, 1992 Please notify your men that the Health Agent and Board of Health are working with the company that is cleaning up the hazardous waste/ groundwater pollution at the above -referenced site. I've been told by Lt. Joe Sarro, Fire Dept., that he is receiving calls from Police Dept., who is receiving calls from residents re: barrels of hazardous waste onsite. The cleanup has been on -going for the past couple months. Not sure how much longer they will be there. If you have any questions, please let me know. Thank you. ll A TJ t,11. )»t ! 1 f r I 4C T f iF TOWN OF MANSFIELD BOARD OFaHEALTH r r•1� t; .�� L �n il.-"3 aFr t �.l 1 PUBLIC NOTICE TO RESIDENTS - Hydrogeologic testing of groundwater, in the vicinity of South Main_and Leonard. Streets and. extending to willow Street and Bellview Drive; has revealed excep tiorially high levels of volatile ,orgarnc poun "comds `; This condition `is not evident, in standard water potabil='! i ity.tests APri-vL o,vt w P w•5L_L- i,v NC— U1G1YU1"f� W- �F•lCl4-A^2�N iv�.JV�, �C—r.JEJ3 bec sVp7y2- >CA'2c' -E l Eo n lac �? SI f SO Lt should stop use nd contac1.t the Board of Health. at 261.-7366 This does not effect the public water supply of the Town of Mansfield. j, f��/„Sr'(1Lt ,h Commonwealth of Massachusetts Executive Office of Environmental Affairs Department of Environmental Protection Southeast Regional Office William F. Weld Go error Da r .10 r Guaranty -First Trust Company 159 overland Road Waltham, Massachusetts 02254 ATTENTION: Kilburn Childs Vice -President Gentlemen: September 24, 1992 RE: MANSFIELD--WSC/SA-4-0955 Fmr. Gorham Silver Co. 26 Edgewood Street/S. Main Street (the "Site"), Approval of Short Term Measure Design, M.G.L. c. 21E, 310 CMR 40.000 The Department of Environmental Protection, Bureau of Waste Site Cleanup (the "Department") has reviewed a design for a Short Term Measure (the "STMD") at the Site, submitted on behalf of Textron, Inc. by Groundwater Technology, Inc. in the following documents: and, SHORT TERM MEASURE DESIGN REPORT FORMER GORHAM SILVER COMPANY 340 SOUTH MAIN STREET MANSFIELD, MASSACHUSETTS VOLUMES I AND II JULY 1, 1992 ADDENDUM TO SHORT TERM MEASURE DESIGN REPORT FORMER GORHAM SILVER COMPANY 340 SOUTH MAIN STREET MANSFIELD, MASSACHUSETTS SEPTEMBER 14, 1992 " The STMD includes plans and a schedule to install, operate and monitor a groundwater recovery and treatment system, a soil vapor extraction and treatment system, and a sparging system. The Department approves the STMD with the following provisions: Lakeville Hospital a Route 105 9 Lakeville, Massachusetts 02347 a FAX (506) 947-6557 a Telephone (508) 946.27GO -2- (1) The Department requires monthly progress reports detailing the construction of the Short Term Measure and the application for permits until activation of the Short Term Measure; a final "as - built" report detailing start-up and short term operating and monitoring results within ninety (90) days of start-up; and quarterly monitoring reports thereafter. (2) The Department shall be notified in a timely manner of each visit and response action planned at the Site to insure the Department has an opportunity to inspect work in progress. (3) All monitoring or observation wells which are damaged, destroyed, lost or inadequately completed will be replaced within two (2) weeks. (4) All necessary applications for federal, state and local permits will be submitted within fourteen (14) days of receipt of this letter. The Department will be immediately notified whenever access or authorizations are being unreasonably withheld during the execution of the Short Term Measure. (5) A supplemental work plan and schedule will be submitted for Department approval if a determination is made that additional work needs to be done to complete the Short Term Measure. (6) Cessation of treatment efforts under the Short Term Measure must be approved by the Department. The Department requires a written response within fourteen (14) days of receipt of this letter indicating whether you intend to take the actions outlined above (as used in this letter "you" refers to Guaranty -First Trust Company). You should be aware that this Short Term Measure does not relieve you from undertaking a full Phase II - Comprehensive Site Assessment. However the work you carry out in the course of the Short Term Measure may contribute significantly towards the assessment of the Site and a permanent solution to the Site. You have been previously notified of your liability in the Notice of Responsibility letter dated December 17, 1990. Your cooperation in this matter is appreciated. Should you have any further questions regarding site WSC/SA-4-0955, please contact Marcel V. Boelitz of this office at (508) 946-2868. Very truly yours, Robert It. Dono\van, Regio— na1 D/MVB/bh Engineer for Waste Site Cleanup -3- CERTIFIED MAIL #P253 149 995 RETURN RECEIPT REQUESTED cc: DEP - BWSC - Boston DEP - SERO Data Entry DEP - Lawrence Experiment Station Air Quality ATTN: T. McGrath (508) 9075-1138 Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 ATTN: William Sarro, Chairman William Williams, Town Manager (508) 261-7372 Board of Health Town Hall 50 West Street Mansfield, MA 02048 ATTN: Michael VanSplinter, Chairman Scott Leite, Agent (508) 261-7366 Conservation Commission Town Hall 50 West Street Mansfield, MA 02048 ATTN: Marilyn Powers, Richard Lewis, (508) 261-7378 Chairperson agent Mansfield Fire Department 291 N. Main Street Mansfield, MA 02048 ATTN: Chief Edward Sliney Lt. Sarro, Fire Prevention (508) 261-7320 Curhan Kunian Goshko Burwick & Savrann 100 Charles River Plaza Boston, MA 02114 ATTN: Daniel A. Shapiro, Esq. -4- cc: Textron, Inc. 40 Westminster Street Providence, RI 02903 ATTN: Andrew C. Spacone, Esq. Robert C. Brayley Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: William A. Yetman Groundwater Technology, Inc. 3 Edgewater Drive Suite 301 Norwood, MA 02062 ATTN: Robert H. Bird Commonwealth of Massachusetts Executive Office of Environmental Affairs Department of Environmental Protection Southeast Regional Office Willem F. Weld Ga mor Daniel S. Greenbaum COPY Commieaioner September 29, 1992 Textron, Inc. RE: MANSFIELD--WSC/SA-4-0955 40 Westminster Street Fmr. Gorham Silver Co. Providence, Rhode Island 02903 26 Edgewood Street/S. Main Street (the "Site"), Approval of Short Term Measure Design, M.G.L. c. 21E, 310 CMR 40.000 ATTENTION: Andrew C. Spacone, Esq Gentlemen: The Department of Environmental Protection, Bureau of Waste Site Cleanup (the "Department") has reviewed a design for a Short Term Measure (the "STMD") at the Site, submitted on your behalf (as used in this letter, "you" and "your" refer to Textron, Inc.) by Groundwater Technology, Inc. in the following documents: It SHORT TERM MEASURE DESIGN REPORT FORMER GORHAM SILVER COMPANY 340 SOUTH MAIN STREET MANSFIELD, MASSACHUSETTS VOLUMES I AND II JULY 1, 1992 and, it ADDENDUM TO SHORT TERM MEASURE DESIGN REPORT FORMER GORHAM SILVER COMPANY 340 SOUTH MAIN STREET MANSFIELD, MASSACHUSETTS SEPTEMBER 14, 1992 of I➢ The STMD includes plans and a schedule to install, operate and monitor a groundwater recovery and treatment system, a soil vapor extraction and treatment system, and a sparging system. The Department approves the STMD with the following provisions: Lakeville Hospital a Route 105 It Lakeville, Massachusetts 02347 a FAX (508) 947.6557 9 Telephone (508) 946.2700 -2- (1) The Department requires monthly progress reports detailing the construction of the Short Term Measure (STM) and the application for permits until activation of the STM; a final "as -built" report detailing start-up and short term operating and monitoring results within ninety (90) days of start-up; and quarterly monitoring reports thereafter. (2) The Department shall be notified in a timely manner of each visit and response action planned at the Site to insure the Department has an opportunity to inspect work in progress. (3) All monitoring or observation wells which are damaged, destroyed, lost or inadequately completed will be replaced within two (2) weeks. (4) All necessary applications for federal, state and local permits will be submitted within fourteen (14) days of receipt of this letter. The Department will be immediately notified whenever access or authorizations are being unreasonably withheld during the execution of the STM. (5) A supplemental work plan and schedule will be submitted for Department approval if a determination is made that additional work needs to be done to complete the STM. (6) Cessation of treatment efforts under the STM must be approved by the Department. The Department requires a written response within fourteen (14) days of receipt of this letter indicating whether you intend to take the actions outlined above. You should be aware that this STM does not relieve you from undertaking a full Phase II - Comprehensive Site Assessment. However the work you carry out in the course of the STM may contribute significantly towards the assessment of the Site and a permanent solution to the Site. You have been previously notified of your liability in the Notice of Responsibility letter dated February 12, 1991. Your cooperation in this matter is appreciated. Should you have any further questions regarding site WSC/SA-4-0955, please contact Marcel V. Boelitz of this office at (508) 946-2868. Very tr rs, Robert t. Donovan, Region Engineer for Waste Site Cleanup D/MVB/rr CXC CERTIFIED MAIL #656 836 030 RETURN RECEIPT REQUESTED cc: DEP - BWSC - Boston DEP - SERO Data Entry DEP - Lawrence Experiment Station Air Quality ATTN: T. McGrath (508) 9075-1138 Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 ATTN: William Sarro, Chairman William Williams, Town Manager (508) 261-7372 Board of Health Town Hall 50 West Street Mansfield, MA 02048 ATTN: Michael VanSplinter, Chairman Scott Leite, Agent (508) 261-7366 Conservation Commission Town Hall 50 West Street Mansfield, MA 02048 ATTN: Marilyn Powers, Chairperson Richard Lewis, agent (508) 261-7378 Mansfield Fire Department 291 N. Main Street Mansfield, MA 02048 ATTN: Chief Edward Sliney Lt. Sarro, Fire Prevention (508) 261-7320 Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: Kilburn Childs, VP -4- cc: Curhan Kunian Goshko Burwick & Savrann 100 Charles River Plaza Boston, MA 02114 ATTN: Daniel A. Shapiro, Esq. Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: William A. Yetman Groundwater Technology, Inc. 3 Edgewater Drive Suite 301 Norwood, MA 02062 ATTN: Robert H. Bird Textron to pay 11 families j BY GAYLE GODDARD-TAYLOR SUN CHRONICLE STAFF 1, MANSFIELD — Textron Corp. will pay 11 families living near the former Gorham Silver plant $1,000-$2,000 over four years for the loss of use of their irrigation wells. The company, which has taken over the cleanup effort at the property where carcinogens were found last year to have polluted the groundwater, notified the board of health recently of its remuneration plan. Tests conducted on the water coming from outside faucets at those 11 homes showed elevated levels of several known carcino- gens. As a result, the health board ordered residents not to use their irrigation wells, which are used largely to water lawns and gar- dens and fill swimming pools. Drinking, water at the . homes comes from the town wells and is uncontaminated. Health agent Scott Leite said the compensation figures are bro- ken down into $500 per home per year for nine homes and $250 per home per year for two homes. The differences in payment are based on which homes are sew- ered and which are not, Leite said. The health board and Textron entered into negotiations a few months ago to compensate the homeowners, who have had to pay - for town water to fill pools and water gardens this past summer. - The board had also been explor- ing possibly having Textron retest, wells to see if there had been any, abating of pollutants and possibly, having the company install filtra- tion systems at the homes. Leite said the filtration wells had been deemed not practical. "I'm pleased that there is some relief for those people who have cooperated with the board of health," he said of the settle-' ments. Leite said the state has ap- proved short-term measures to' clean up the plume of compounds from the groundwater. M S ' LL He was the assistant supenn mit"tee for the superintendent ' OY O&pLalna. tvo vJBu. u tendent in he assistBourne r two su years and assistant superintendent dance. when Dunn was appoint before moving to Dartmouth in Position'. An interim assistant ed. before He taught in both Dartmouth s.in superintendent is expected to be School committee chairma: sachusetts and Rhode Island be- named to assist Warren in hie Dianne Royle said the hig last school year. school can recruit coaches an work with the youth programs. PUBLIC NOTICE TO RESIDENTS Hydrogeologic testing of groundwater, in the vicinity of South Main and Leonard Streets and extending to Willow Streets and Bellview Drive, has revealed exceptionally high levels of volatile organic compounds. This condition, is not evident in standard water potability tests. Anyone with a well in the vicinity of Richardson Avenue, Geneva Street, Parker Street, Willow Street, Leonard Circle, Leonard Street, South Main Street, Fischer. Street 'and Judy's` Ia'ne should stop use- and contact the Board of Health at 261-7366 This does not effect the public water supply of the Town of Mansfield. "It feeds into the rg ac o' program," said Royle. She ah said Bernateirfs concerns shoji be looked into. High school pri cipal Edward Rosa said he m with Bernstein for an hour ar SPIRITUAL PSYCHIC Palm & Tarot Card Reading By Lind, On $10 [)Av 9.9 Sunday 12.6 dtn9are SPECIAL AU Rea tat. 695-920 Confidant 336 E. Washington S N. Attleboro, MA Rte. Textron Inc. January 19, 1993 Mr. and Mrs. Young 25 Edgewood Street Mansfield, MA 02048 Dear Mr. & Mrs. Young: 40 Westminster Street Providence, R.I. 02903 401/421-2800 I am writing to follow-up on our meeting in November of last year. In early January, Groundwater Technologies Inc., Textron's consultant, submitted a plan to the Massachusetts Department of Environmental Protection for conducting additional environmental studies in the area around the former Gorham Silver site. The plan calls for taking samples of the groundwater near, or with your permission, on your property, The information gathered from these samples should allow Textron to assess whether there is any impact on your property. Weather permitting, work should begin soon after the State approves our plan. In the meantime, please call me if you have any questions at 401-457-2440. You also may be interested to know that the installation of the groundwater treatment system at the former Gorham site is complete, and should begin operating this month. Very truly yours, ' at Robert C. Brayley Manager, Site Remediation RCB/sma cc: Robert Bird; Groundwater Technology Inc. Marcel Boelitz; MA Department of Environmental Protection Scott Leite; Mansfield Health Department RCB213 rE111GROUNDWATER L-.ItEITECHNOLOGY January 22, 1993 Mr. Marcel Boelitz T"a COminonY,,ealth Of t'r.a33aci useiis Department of Environmental Protection Southeast Regional Office Lakeville, Massachusetts 02347 Subject: Monthly Status Report - December, 1992 Short Term Measure Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts DEP Site No. 4-0955 Dear Mr. Boelitz: Groundwater Technoloay. Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 Ref: 01106-5372 680228 On September 29, 1992 the Short Term Measure Design was approved with one of the stipulations requiring monthly progress reports. On behalf of Textron Inc., Groundwater Technology submits this monthly status report for the subject site to satisfy that requirement. The following items highlight the activities performed during the month of December 1992. Trenching and backfilling for the underground piping and electrical conduits completed. Trenches backfilled and base course pavement completed. • Construction of treatment building completed. • Completed installation of the treatment equipment. Proceeding with piping and wiring of equipment at well heads and inside treatment building. • Mansfield power company provided electricity to the treatment compound. • Telephone line for the control panel's auto -dialer installed. Offices throughout the U.S., Canada and Overseas Mr. Marcel Boelitz The Commonwealth of Massachusetts Department of Environmental Protection January 22, 1993 Page 2 Final system checks on the control panel are scheduled as part of the final inspection and testing. The treatment system is scheduled for start-up in early January 1993. The start-up will be performed sequentially as describe in the "Monftoring and Maintenance Schedule" section of the Addendum to Short Term Measure, Design n6port, dated September 14, 1992. If you have any questions or require further Information, please contact us at (617) 769-7602. Sincerely, GROUNDWATE T�OGY, INC. John A. Colbert Project Engineer Robert H. Bird Senior Project Manager SJ24.52 JAC/RHB/dmm Copy: Mr. Robert C. Brayley, Textron Inc. Kosta M. Jovanovic, Federal Deposit Insurance Corp. Mr. ''Scott efte, Mansfield Health Department Mr. Dick Lewis, Mansfield Conservation Commission 1114 GROUNDWATER f❑❑❑ TECHNOLOGY �:-HGROUNDWATER TECHNOLOGY District Office, croundwater Technology, Inc. 3 Edgewater Drive, Suite 301, Norwood, MA 02062 LETTER OF TRANSMITTAL Tel: (617) 769-7602 Fax; (617) 769-7785 To; ADDRESS CITY ATTENTION: DATE FebruarV 2ti1ail 993�� USEPA - Rcoion I via: U. S. Tv� 60 Westview Street �— Lexin ton MA 02173-3184 Mr. David Tordoff vve are sending you: x Herewith Tracings These are: (As checked below) — Approved Not approved _.-_ No exceptions Make corrections observed Revise and resubmit _ Return _ corrected copies Remarks Under separate cover ---- Specifications # 01106-5372 Prints _- Other For your approval For review and comment X Per Your request For use on job For Your files If enclosures received are not copy; Mr as listed above, please noti Robert E. Donovan hat once. Mr. Scott MADEP Llete Mansfield Board of Health very truly Yours, Mr, Dick Lewis GROUNDWATER TECHNOLOGY Mansfield Conservation Comm. Mr. Marcel Boelitz MADEP FDIC Westboro MA By twtitl SJ25.3 Robert H. Bird Senior Project Manager Offices (hroug/,out the USA CuuadQ uud Overseas ❑❑ GROUNDWATER ❑❑❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT January 1993 Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: I Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 19,345 Gallons 11 Volume Discharged This Period: 1 19,345 Gallons Average Flow Rate This Period: 1 1.03 Gallons per Minute Monitoring Date(s): 1 1 /18, 1 /20, 1 /22, 1 /24, 1 /27 and 1 /29/93. Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: I See Table 1 and attached analytical laboratory Permit Conditions Met: I Yes Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results January 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts A yte nail Units Analytical Results Discharge Limit LGAC 1 f.1 In I LGAC 2 _ Jr.f.2 L LGAC 2 - -Eff�l 1,2-Dichloroethene (total)4,6 pg/L .. 310 ........ x- <0.2 <0.2 . .... NA Trichloroethene' /jg/L 660 <0.2 <0.2 5 Tetrachloroothene6 #g/L 14000 0.3 <0.2 5 Benzenee yg/L <0.2 <0.2 <0.2 5 Toluenes yg/L 0.8 <0.5 <0.5 NA Ethylbenzene' /ig/L 1.7 <0.8 <0.8 NA Xylenes (total)6.7 pg/L 6 < 1.7 < 1.7 NA Total BTEX8 ugIL 8.5 --- --- 100 Total Petroleum Hydrocarbonso mg/L 3.8 <0.48 <0.48 5 ............... - ......... -- ........ Sampling (}'4te January 2019 93 ..... ............. ......... .............. .. .... 1,2-Dichloroethene (total) ygll- 440 <0.2 <0.2 NA Trichloroethene /jg/L 1400 <0.2 <0.2 5 Tetrachloroethene fig/L 26000 <0.2 <0.2 5 Benzene pg/L < 2.0 <0.2 <0.2 5 Toluene pgIL < 5.0 <0.5 <0.5 NA Ethylbenzene yg/L <8.0 <0.8 <0.8 NA Xylenes (total) pg/L <17 < 1.7 < 1.7 NA Total STEX pg/L --- --- --- 100 Total Petroleum Hydrocarbons mg/L 0.86 <0.48 <0.48 5 at armv22 16 ng-- u u�'qc: a ..... ............. ....... .......... 1,2-Dichloroethene (total) yg/L < 2000 <1.0 <1.0 NA Trichloroethene yg/L < 2000 <1.0 <1.0 5 Tetrachloroethene pg/L 23000 <1.0 <1.0 5 Benzene jjg/L <4.0 <0.2 <0.2 Toluene pg/L <10 <0.5 <0.5 NA Ethylbenzene pg/L <16 <0.8 <0.8 NA Xylenes (total) pg/L <34 < 1.7 < 1.7 NA Total BTEX pg/L --- --- --- 100 Total Petroleum Hydrocarbons mg/L 1.4 <0.48 <0.48 5 SJ25.3 ir'CJ� GROUNDWATER TECHNOLOGY TABLE 1 (Cont.) Groundwater Treatment System Analytical Results January 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analyte Units Analytical Results Discharge Limit LGACI-Inf.' LGAC2-Inf.2 LGA 2- Eff .3 RNA 1,2-Dichloroethens (total)4,6 lig/L <1000 <0.2 <0.2 NA Trichloroethonefi yg/L <1000 0.2 <0.2 5 Tetrachloroothene' #g/L 12000 0.3 <0.2 5 Benzenes jig/L < 2.0 <0.2 <0.2 5 Toluenes /jg/L < 5.0 <0.6 <0.5 NA Ethylbenzens' jjg/l. < 8.0 <0.8 <0.8 NA Xylenes (totals'' jjg/L <17 1.7 < 1.7 NA Total BTEX8 yg/L --- --- --- 100 Total Petroleum HydrocarbonsO mg/L <0.50 <0.48 <0.48 5 ............. ...... .. ......... .. .-Molm 1,2-Dichloroethene (total) jvglL 120 imam <0.2 <0.2 ... . .... . .... NA Trichloroethene yg/L 270 <0.2 <0.2 6 Totrachloroethene ugIL 1300 <0.2 <0.2 5 Benzene jjg/l. <0.2 <0.2 <0.2 5 Toluene /jg/L 1.6 <0.5 <0.5 NA Ethylbenzene pg/L <0.8 <0.8 <0.8 NA Xylenes (total) /jg/L 1.9 < 1.7 < 1.7 NA Total BTEX pg/L 3.5 --- --- 100 Total Petroleum Hydrocarbons mg/L <0.49 <0.48 <0.48 5 I Date Ja ;��I ,-'4mPj."n.9,-a 1,2-Dichlotoothene (total) ug/L < 500 <1.0 <1.0 NA Trichloroetheno jig/L 640 <1.0 <1.0 5 Tetrachloroethene lig/L 7600 <1.0 <1.0 5 Benzene yg/L 0.2 <0.2 <0.2 5 Toluene pg/L 0.9 <0.5 <0.5 NA Ethyllbenzene yg/L 3.6 <0.8 <0.8 NA Xylenes (total) pg/L 13 < 1.7 < 1.7 NA Total BTEX pg/l. 17.7 --- - - - Total Petroleum Hydrocarbons mg/L <0.48 <0.48 <0.48 5 11 SJ25.3 L❑ LILIIRWI� GROUNDWATER -ItIr[II TECHNOLOGY TABLE 1 (Cont.) Groundwater Treatment System Analytical Results January 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. Y LGAC 2 - Inf. = Influent to second liquid granular active' ad carbon adsorbtion unit. 9 LGAC 2- - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. a 1,2-Dichloroethena (total) = total of cis- and trans-1,2-Dichloroethene. 6 Laboratory analysis by EPA Method 601. a Laboratory analysis by Modified EPA Method 602. t Xylenes (total) = total of xylene isomers. a Tot-! BTEX = total of benzene, toluene, ethylbenzene and xylenes. 6 Laboratory analysis by EPA Method 418.1. SJ25.3 In❑LrOCI GROUNDWATER EL.I, TECHNOLOGY Ei GROUNDWATER _TECHNOLOGY TO: ADDRESS CITY ATTENTION: Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: ((517) 769-7785 LETTER OF TRANSMITTAL DATE:3/29/93 Via:U. S. Mail USEPA -Re Ion I 60 Westview Street Lexington MA 021733185 Mr. David Tordoff We are sending you: x Herewith — Tracings These are: (As checked below) _ Approved — Not approved _ No exceptions _ Make corrections observed — Revise and resubmit Return _ corrected copies Remarks _ Under separate cover _ Specifications # 01106-5372 _ Prints — Other — For your approval _ For review and comment x Per your request _ For use on job For your files If enclosures received are not as listed above, please notify at once. copy: Mr. Robert C. BrayleY. Textron Inc. Verytruly Mr. Marcel Boelitz MA DEP Y Yours, GROUNDWATER Mr. Scott Leite :Mansfield Health Agent TECHN Mr. Dick Lewis Mansfield Con. Comm. By 1 '� FDIC Asset #771545084 Robert H. Bird Senior Project Manager SJ25.28 O(Rces lhroughoul the US., Canada and Overseas GROUNDWATER TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT February 1993 .... ..... .. . ............ ... . ...... ....... ---------- Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 ... ..... T eatch .................. ........ .. . .......... .. ... . . . . . . . . . ...................... .... .. ... .... ....... ............... ......... ......................... Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 118,351 Gallons Volume Discharged This Period: 98,906 Gallons Average Flow Rate This Period: 2.29 Gallons per Minute Jog", WMAI-----M.". in .. ...... ..... ..... . .... ...... Monitoring Date(s): 2/10/93. Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: See Table 1 and attached analytical laboratory reports. Permit Conditions Met: Yes SJ25.21 Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results February 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Inf.2 LGAC 2 - Eff? Limit F b 0. War 110111 Z 3 . . . . . ...... ...... .. ... 1,2-Dichloroothene (total)`` vg/L < 2000 < 1.0 < 1.0 NA Trichloroethene5 pg/L < 2000 < 1.0 < 1.0 5 Teti achloroethene' yg/L 22000 < 1.0 < 1.0 6 Benzenee pg/L <10 <0.2 <0.2 5 Toluenee ug/L <20 <0.5 <0.5 NA Ethylbenzene6 pg/L <40 <0.8 <0.8 NA Xylenes (total)',' jjg/L <85 < 1.7 < 1.7 NA Total BTEX8 yg/L --- --- --- 100 ' TPetroleum mg/L <0.48 <0.49 <0.48 5 ..H0ytd8' r,,',',baa.' j NOTES: LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. LGAC 2 - Inf. Influent to second liquid granular activated carbon adsorbtion unit. LGAC 2 - Elf. = Effluent from second liquid granular activated carbon adsorbtion unit. 1,2-Dichloroethene (total) = total of cis -and trans-1,2-Diohloroethene. Laboratory analysis by EPA Method 601. Laboratory analysis by Modified EPA Method 602. 7 Xylenes (total) = total of xylene isomers. . a Total STEX = total of benzene, toluene, ethylbenzene and xylones. Laboratory analysis by EPA Method 418.1. GRoUNDWATER -!TECHNOLOGY MGTEL ENVI RON MENTAL ® LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX( February 24, 1993 John Colbert. . Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 02/11 /93 under chain -of -custody record 52366. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. j wa,-C W Susan C. Uh er Laboratory Director GTEL Milford, NH 63020307.DOC:1 Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 ANALYTICAL RESULTS Purgeable Aromatics in Water Modified EPA Method 602a GTEL Sample Number 020307-01c 020307-02 020307-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF. Date Sampled 02/10/93 02/10/93 02/10/93 Date Analyzed 02/16/93 02/16/93 02/16/93 Analyte Detection Limit, ug/L Concentration, ug/L Benzene 0.2 < 10 < 0.2 < 0.2 Toluene 0.5 < 25 < 0.5 < 0.5 Ethyl Benzene 0.8 < 40 < 0.8 < 0.8 Xylenes (total) 1.7 < 85 < 1.7 < 1.7 BTEX (total) -- -- -- [776etectlon Limit Multl lierb 50 1 1 a Federal Register, Vol. 49, October 26, 1984. Method modified to Include additional compounds. b The detection limit multiplier indicates the adjustments made to the data and detection limits for sample dilutions. c Sample analyzed diluted due to the presence of non -target compounds. GTEL Milford, NH B3020307.DOC:2 GTEL ENVIRONMENTAL LABORATORIES, INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 020307-01 020307-02 020307-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF. Date Sampled 02/10/93 02/10/93 02/10/93 Date Analyzed 02/13/93 02/18/93 02/13/93 Analyte Reporting Limit, ug/L Concentration, ug/1-4 Dichlorodifluoromethane 1.0 < 2000 < 1.0 < 1.0 Chloromethane 1.0 < 2000 < 1.0 < 1.0 Vinyl Chloride 1.0 < 2000 < 1.0 < 1.0 Bromomethane 1.0 < 2000 < 1.0 < 1.0 Chloroethane 1.0 < 2000 < 1.0 < 1.0 Trichiorofluoromethane 1.0 < 2000 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 2000 < 1.0 < 1.0 Methylene Chloride 1.0 < 2000 < 1.0 2.0 B 1,2-Dichloroethene total c 1.0 < 2000 < 1.0 < 1.0 1,1-Dichloroethane 1.0 < 2000 < 1.0 < 1.0 Chloroform 1.0 < 2000 < 1.0 < 1.0 1,1,1-Trichooroethane 1.0 < 2000 < 1.0 < 1.0 Carbon Tetrachloride 1.0 < 2000 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 2000 < 1.0 < 1.0 Trichloroethene 1.0 < 2000 < 1.0 < 1.0 1,2-Dichioro ro ane 1.0 < 2000 < 1.0 < 1.0 Bromodichloromethane 1.0 < 2000 < 1.0 < 1.0 2-Chloroethylvinyl Ether 1.0 < 2000 < 1.0 < 1.0 Reporting Limit Multiplierb 2000 1 1 GTEL Milford, NH B3020307.DOC:3 GTEL ENVIRONMENTAL S LABORATORIES, INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 020307-01 020307-02 020307-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF. Date Sampled 02/10/93 02/10/93 02/10/93 Date Analyzed 02/13/93 02/18/93 02/13/93 Analyte Reporting Limit, ugL I Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 2000 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 2000 < 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 2000 < 1.0 < 1.0 Tetrachloroethene 1.0 22000 < 1.0 < 1.0 Dibromochloromethane 1.0 < 2000 < 1.0 < 1.0 Chlorobenzene 1.0 < 2000 < 1.0 < 1.0 Bromoform 1.0 < 2000 < to < 1.0 1,1,2,2-1'etrachloroethane 1.0 < 2000 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 2000 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 2000 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 2000 < 1.0 < 1.0 Reporting Limit Multi lierb 2000 1 1 Federal Register, Vol. 49, October 26, 1984. The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. Indicates that the analyte was found in the blank as well as a sample. It indicates possible/probable blank contamination and warns the data user to take appropriate action. GTEL Milford, NH B3020307.DOC:4 CTE L ENVIRONMENTAL ® LABORATORIES, INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 METHOD BLANK RESULTS Purgeable Halocarbons In Water Modified EPA Method 601a GTEL File ID 601 BW021293B Date Analyzed 02/12/93 Analyte Reporting Limit ug/L Concentration, ug/L Dichlorodifluoromethane 1.0 < 1.0 Chloromethane 1.0 < 1.0 Vinyl Chloride 1.0 < 1.0 Bromomethane 1.0 < 1.0 Chloroethane 1.0 < 1.0 Trichlorofluoromethane 1.0 < 1.0 1,1-Dichloroethene 1.0 < 1.0 Methylene Chloride 1.0 3.1 1,2-Dichloroethene total b 1.0 < 1.0 1,1-Dichloroethane 1.0 < 1.0 Chloroform 1.0 < 1.0 1,1,1-Trichooroethane 1.0 < 1.0 Carbon Tetrachloride 1.0 < 1.0 1,2-Dichloroethane 1.0 < 1.0 Trichloroethene 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 1.0 Bromodichloromethane 1.0 < 1.0 2-Chioroeth ivin I Ether 1.0 < 1.0 GTEL Milford, NH B3020307.DOC:5 C7T E L ENVIRONMENTAL LABORATORIES. INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 METHOD BLANK RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL File ID 6018W021297 Date Analyzed 02/12/93 Analyte Reporting Limit ug/L Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 1.0 Tetrachioroethene 1.0 < 1.0 Dibromochloromethane 1.0 < 1.0 Chlorobenzene 1.0 < 1.0 Bromoform 1.0 < 1.0 1,1,2,2-Tetrachloroethane 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 1.0 a Federal Register, Vol. 49, October 26, 1984. b 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. GTEL Milford, NH B3020307.DOC:6 GTEL ENVIRONMENTAL LABORATORIES. INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-02-0307 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Date Date Date Detection Concentration, Identification Sampled Extracted Analyzed Limit, mg/L mg/L GTEL No. Client ID -- -- -- __ 020307-01 S STFEM 02/10/93 02/17/93 02/19/93 0.48 < 0.48 IN 020307-02 LGAC-2 02/10/93 02/17/93 02/19/93 0.49 < 0.49 INF 020307-03 SYSTEM 02/10/93 02/17/93 02/19/93 0.48 < 0.48 EFF. EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH 83020307.DOC:7 CST E L ENVIRONMENTAL LABORATORIES, INC. o '16 ❑ 611n8aeaH ❑'lulod gseld ❑ LI!nlsmiop i;vibtc ❑ peal olue6ip h 4 ❑ 0109 O 18VL O 08PL ❑ L'OOZ O Z'6£Z Peal _ U ro `A�. 't�j ❑ ol1S 0 011l slelaW WVo r":<,�{ ❑ "HOd O lVl O luelnllod 6lpoud slelaW Vd3 0 �" n Co ❑ g1aH ❑ lsad O VOMWOS O VOA O slelaW d101 M ry ❑ SOPlolgiaH ❑ sap108s0d ❑ slelaW XOl d3 CV re} Y ❑ Ol£8 ❑ 019 Vd3 ^ _ O (SZ+) SON O IMOLZO ❑ Idd/29 Vd3 �..v a--R7 ❑ (SL+) SON ❑ IVLObZB Cl ldd/bZ9 Vd3 .•`< ❑ 61uo 00d ❑ 0809 O 809 Vd3 ❑ 0309 Vd3 ❑ 909 Vd3 o L: ;J L W ❑ 0108 Vd3 >4109 Vd3 N W O m` m n n < U s d ❑ Z'Z09 Vd3 ❑ 1'£09 Vd3 w m o m w m n v j ❑ V09 :<q dO90 O 40S Rq 803 2 J Q atii m M 3 ry H ❑ £09 WS 5YVM dl/Hdl CCj ❑ £o9 WS o Z'£Lb D 1'£4b aseelo pue Il0 J ❑ (SIOWIS) alBWd uogjeoWp6H O 1 E (�^ ri a lE tEE- �� > Q ❑ ugans ❑ IesalO ❑ sep Oid/00 suogleoap6H F z w Cc o ro \ o \_ Z ❑ 3S1W glint ❑ Old/Old suogleoWp6H sep/X318 �Q ❑ 381W RM. ❑ 0Z09 Wog/X318 c a o CL 9W11 \ \ .,\ Q O O \ m 0 (� 31 l\ O z r �\ U 1A3ir tl3�. _' a3Ae3531d m W O 30 = 1` I1 O n (L Q Q U O 'OS2H —LUU `ONH IV 1\ IOH l q 7 .. a > L R ` �} �yii \ ki3Hl0 ionOOHd �v x 3panls jo J c �'E. �Zco o \ z I— V C3 d m _ d W o. lHiv 0S U31VM C)C 4 -SIPCc N cb - S1aU121UOp �/ O (^O J a (n U Z c V UJ00 = _W C w J � O n W N J S] t] C g -0 (N Cl)`(v � (',� u 00 in w NN,C U �i W O C O W C m (s o ci a O ¢ ¢"¢ C lu UQ Fz a ❑❑❑ ❑ o n m 17 -a O W c 3 C't. f—� ® Z < E U- co co �\ N V N Cl) �❑ W E E m e a3 u Y ,� E0Rotvnw ER CEHNLOGY TO: ADDRESS CITY ATTENTION: District Office,3 gewaterDDrOundwater Technolo Ed rive, Suite 301, t;15 Inc. Tel: (61 769- N°nvood, MA 02062 LETTER OF TRANSMITTAL 7) 7602 Fax; (617) 769-7785 DATE:4 23 93 USEP- ReQlon I Via•U e We are sending You: -x Herewith _ Tracings These are: (As checked below) --- Approved Not approved _ No exceptions -- Make corrections observed Revise and resubmit ____ Return _corrected copies Remarks -_ Under separate cover --. Specifications • Mau # 01106-5372 ____ Prints Other -- For your approval -_ For review and comment Per your request ._ For Use on job — For Your files If enclosures received are not as listed copy; Mr. Robert above, please notify C. Brae Textron Inc, at once. Mr. Marcel Boelitz MA DEP Mr. Scott Leite Mansfield Mr. Dick Health A ent Lewis Mansf(eld Con. FDIC Asset #771545084 Co— SJ25.47 VerBY y truly yours, GROUNDWATER TECHN;OL`OG� Robert H. Bird Senior Project Manager Olr'ces throughout the qg, Canada and Oaerseas r0W GROUNDWATER ❑EE TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT March 1993 Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: I Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: I January 18, 1993 Total Volume Discharged to Date: 1 137,570 Gallons Volume Discharged This Period: 1 87,680 Gallons Average Flow Rate This Period: 1 2.03 Gallons per Minute SJ25.47 Monitoring Date(s): 1 3/10/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: ( See Table 1 and attached analytical laboratory reports. Permit Conditions Met: ( Yes Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results March 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Analyte Units Discharge Limit LGAC 1 -Inf.' LGAC 2 -Inf.' . LGAC 2 - Eff.' 5ampf n9 f)p1e Fe4rvat;Y 1G 1993 1,2-Dichloroethene (total)°'fi Yg/L <500 <1.0 <1.0 NA Trichloroethene° ug/L 1,200 < 1.0 <1.0 5 Tetrachloroethenea pg/L 19,000 <1.0 <1.0 5 Benzene° ,ug/L <20 <0.2 <0.2 5 Toluene° /rg/L <50 <0.5 <0.5 NA Ethylbenzene° pg/L <80 <0.8 <0.8 Xylenes (total°,' Ng/L <170 <1.7 <1.7 Total BTEX° ug/L - - - FNA _ Total Petroleum mg/L <0.48 <0.48 <0.50 Hydrocarbons° NOTES: LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. ' LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. ' LGAC 2 - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. ' 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. ° Laboratory analysis by EPA Method 601. ° Laboratory analysis by Modified EPA Method 602. 7 Xylenes (total) = total of xylene isomers. ° Total BTEX = total of benzene, toluene, ethylbenzene and xylenes. ° Laboratory analysis by EPA Method 418.1. 2 . �PIE ® GROUNDWATER L111 TECHNOLOGY GTEL E N V I R O N M E N T A L LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, N H 03055 (603)672-4835 (603) 673-8105 (FAX) March 24, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr Colbert: Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-03-0315 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 03/11/93 under chain -of -custody record 54521. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. �n .Uhler boratoryDirector GTEL Milford, NH A3030315.DOC:1 Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-03-0315 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 030315-01 030315-02 030315-03 Client Identification SYSTEM INF. LGAC-2 INF. SYSTEM EFF. Date Sampled 03/10/93 03/10/93-- 03/10/93 Date Analyzed 03/20/93 03/20/93 03/20/93 Analyte Reporting Limit, ug%L Concentration, ug/L Dichlorodifluoromethane 1.0 < 500 < 1.0 < 1.0 Chloromethane 1.0 < 500 < 1.0 < 1.0 Vinyl Chloride 1.0 < 500 < 1.0 < 1.0 Bromomethane 1.0 < 500 < 1.0 < 1.0 Chloroethane 1.0 < 500 < 1.0 < 1.0 Trichlorofluoromethane 1.0 < 500 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 500 < 1.0 < 1.0 Methylene Chloride 1.0 < 500 < 1.0 < 1.0 1,2-Dichloroethene total c 1.0 < 500 < 1.0 < 1.0 1,1-Dichloroethane 1.0 < 500 < 1.0 < 1.0 Chloroform 1.0 < 500 < 1.0 < 1.0 1,1,1-Trichloroethane 1.0 < 500 < 1.0 < 1.0 Carbon Tetrachloride 1.0 < 500 < 1.0 < 1.0 1,2-Dichloroethane 1.0 <,500 < 1.0 < 1.0 Trichloroethene 1.0 1200 < 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 500 < 1.0 < 1.0 Bromodichloromethane 1.0 < 500 < 1.0 < 1.0 2-Chloroethylvinyl Ether 1.0 < 500 < 1.0 < 1.0 Reporting Limit Multi lierb 500 1 1 GTEL Milford, NH GTE L A3030315.D0Q2 EN V I RO N M E N I A L ® LABORATORIES, INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-03-0315 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 030315-01 030315-02 030315-03 Client Identification SYSTEM INF. LGAC-2 INF. SYSTEM EFF. Date Sampled 03/10/93 03/10/93-- 03/10/93 Date Analyzed 03/20/93 03/20/93 03/20/93 Analyte Reportin Limit,.ug/L ' Concentration, ug/L c/s-1,3-Dichloropropene 1.0 < 500 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 500 < 1.0 < 1,0 1,1,2-Trichloroethane 1.0 < 500 < 1.0 < 1.0 Tetrachloroethene 1.0 19000 < 1.0 < 1.0 Dibromochloromethane 1.0 < 500 < 1.0 < 1.0 Chlorobenzene 1.0 < 500 < 1.0 < 1.0 Bromoform 1.0 < 500 < 1.0 < 1.0 1,1,2,2-Tetrachloroethane 1.0 < 500 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 Reporting limit Multiplierb 500 1 1 a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. c 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. GTEL Milford, NH GTE L A3030315.DOC:3 ENVIRONMENTAL ® LABORATORIES, INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-03-0315 ANALYTICAL RESULTS Purgeable Aromatics in Water Modified EPA Method 602a GTEL Sample Number 030315-01 030315-02 030315-03 Client Identification SYSTEM INF. LGAC-2 INF. SYSTEM EFF. Date Sampled 03/10/93 03/10/93 03/10/93 Date Analyzed 03/16/93 03/17/93 03/17/93 Analyte Detection Limit, ug/L Concentration, ug/L Benzene 0.2 < 20 < 0.2 < 0.2 0.5 < 50 < 0.5 < 0.5 nzene 0.8 < 80 < 0.8 < 0.8 (total) EBTEX 1,7 < 170 < 1.7 < 1.7 tal)n Limit Multi Ilerb 100c 1 1 a Federal Register, Vol. 49, October 26, 1984. Method modified to include additional compounds. b The detection limit multiplier indicates the adjustments made to the data and detection limits for sample dilutions. c Sample was analyzed diluted due to the interference of a non -target compound. GTEL Milford, NH GTE L A3030315.DOCA ENVIRONMENEAI ® 1A00RAEORIES, INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-03-0315 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1 a Sample Identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID -- -- -- -- -- 030315-01 SYSTEM INF. 03/10/93 03/19/93 03/20/93 0.48 < 0.48 030315-02 LGAC-2 INF. 03/10/93 03/19/93 03/20/93 0.48 < 0.48 03031 "3 SYSTEM EFF. 03/10/93 03/19/93 03/20/93 0.50 < 0.50 a EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH GTE L A303031CJDCC:S ENVIR0NMENTAI ® LABORATORIES, INC. f AIIAOoeau ❑ lulod 4seld ❑ AIIAlsonoO c WIN❑ peal Oluefii0 0 ❑ 0109 O 13VL ❑ OZ4L O L'OOZ ❑ Z'0EZ Peal ❑ oils O DILL slelaW WVO m rft ❑ VHOH ❑ lVl O luelnliod A1u0Pd - slele tld3 1 z$ _..._ "" CV ir" ❑ WOH O Isad ❑ VOA-IwaS ❑ VOA 0 slelad101 L O \.g$❑se101 is 108Elp g H 11 saPsad slelaW X01 d3 � ;.;�.•,: Lo r.;';3,. ❑ 01E8 11019 Vd3 ❑ (9Z+) SON ❑ IVLOLZ9 O Idd/9Z9 tld3 I� Z' T ❑ (91+) SON ❑ 1V1/0Ve8 ❑ ldd/439 Vd3 ' o 0 ¢; ElAluo 80d El0908 ❑ 909 Vd3 ' w JCIA ❑ OWS Vd3 ❑ Z09 Vd3 U 1^ Wti ; ° ❑O108Vd 109Vd3 (j� r1% U Y ¢ Q 0 m as U D— ° a a > a a ap > — CC41 r �:. } ❑ Z'Z09 VA O 1'E09 Vd3 Q O W ❑ b09 Aq d080 O 409 Aq 803 m " m ORu m 3 ¢ a0i ¢ 3 CO y ❑ £09 W 1'816 HI/Hdl (`{ ❑ 809 WS O 91314 0 CE14 aseal0 Pue p0 U E E IE cn ❑ (SIOWIS) 01110M uogieOOJPAH Z Q ❑ ueaiOS ❑ I09910 ❑ SED 01d/00 su0gle001PAH U Q ❑ 381W Qm 0 Old/Old suogieOOJPAH se0/X319 Z LLJ m El381W 0m ❑ MOO Z09IX310 M V) t o. 3WIl =O pC( ¢ .-. � O� O Z CVO fr O 03Atl3S3HdNn 0- \� Ire ,� W 301 p, t Z am Q [r pEl w w. +n °OS`H `ONH U) p, w W XX 10H 1 :D U) LL z Q a� H9H10 10000Hd LO Y M '\A F a 3'JOOIS 0o J �7 1 m E HIV 0=toW CC I" \ S a' \ ° itl Z m IIOS z ca N m yk o a g a u31VM �p slsulelu00 N 00 00 QC ¢ (D J �dXCk d 1 65 Z p 0 U 6 WJOO c = O T (OW T m Z E ' G J q1Z O o m w U OJT i ,$: Ln r� U U m E J y .c m o U J v U ¢ E Lam' C (9 O U a Q O 0 2 R `z m a.` U W d � a ❑❑❑ ❑ E]o Z m Q �D�++ N a w O — o- `� 0 O 3 E 1L 0— V I¢- 0 a a Y w N U) I c y m uJ E E o �_' o a i 'm (' L.V iz GROUNR ❑�� TECHNOLOGY R Gro�3N� aterTechnology, Inc. District Office, 3 Edgewater Drive, SuiteLETTER OF TRANSMITTALTel:(617)769-)g02 g5 DATE:-5Z18193 TO: USEPA - Re ion I Via: U.S. Mail ADDRESS 60 Westview Street CITY Lexin ton MA 02173-3185 ATTENTION: Mr. David Tordoff # 01106-5372 We are sending you; x Herewith _ Under separate cover _ Tracings _ Prints NPD— —Emit exciuslon —Specifications --,—_, monthly rtie,.ti...,._ _ _Other These are: (As checked below -- Approved — Not approved No exceptions Make corrections observed ___- Revise and resubmit — Return _ corrected copies Remarks _._, For your approval For review and comment x Per your request — For use on job ____ For your files If enclosures received are not as listed above, please notify at once. copy: Mr. Robert C. Bra a Mr. Marcel Boelitz Textron Inc. MA DEP Very truly yours, Mr. Scott Leite Mansfield Health A ent Mr. Dick Lewis Mansfield Con. FDIC Asset #771545084 Comm. s.t26.6 GROUNDWATER TECHNOLOG By Robert H. Blyd Senior Project Manager Olrces throughout the US., Canada and Overseas GROUNDWATER ❑�❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT April 1993 Facility: I Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: I Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Start Date: I January 18, 1993 Total Volume Discharged to Date: 1 233,369 Gallons SJ26.6 Volume Discharged This Period: 1 95,799 Gallons Flow Rate This Period: 1 2.66 Gallons per Minute Monitoring Date(s): 1 4/5/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: I See Table 1 and attached analytical laboratory reports. Permit Conditions Met: I Yes Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: April 5, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Inf.' LGAC 2 - Eff.3 Limit 1,2-Dichloroethene (total)4•6 pg/L 860 <1.0 <1.0 NA Triohloroethenes pg/L 2,300 <1.0 <1.0 5 Tetrachloroethenes /ig/L 11,000 <1.0 <1.0 5 Benzenes - pg/L <2.0 <0.2 <0.2 5 Toluenes pg/L <5.0 <0.5 <0.5 NA Ethylbenzenee pg/L <8.0 <0.8 <0.8 NA Xylenes (totai)s'r pg/L <17 <1.7 <1.7 NA Total BTEXs pg/L --- --- --- 100 Total Petroleum mg/IL <0.5 <0.5 <0.5 5 Hydrocarbons° NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. 2 LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. -, 3 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. - 4 LGAC 2 - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. s Laboratory analysis by EPA Method 601. 9 Laboratory analysis by Modified EPA Method 602. 7 Xylenes (total) = total of xylene isomers. 9 Total BTEX = total of benzene, toluene, ethylbenzene and xylenes. s Laboratory analysis by EPA Method 418.1. SJ26.6 PI�� ❑�j GROUNDWATER L LIE TECHNOLOGY GTEL E N V I R O N M E N T A L LABORATORIES, INC. Midwest Region 4211 May Avenue Wichita, KS 67209 (316) 945-2624 (800)633-7936 (316) 945-0506 (FAX) April 21, 1993 John Colbert Groundwater Technology Inc. 3 Edgewater Drive Norwood, MA 02062 Dear Mr. Colbert: Project Number: 011065372 (680305) Textron Mansfield Work Order Number: W3-04-0277 Enclosed please find the analytical results for samples received by GTEL Environmental Laboratories on 04-14-93 under chain -of -custody record 55454. A formal quality control/quality assurance program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions concerning this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerel ntl coLoucla /rs /l/utaer *or Terry R. '�cs Laboratory Director GTEL Wichita, KS Project Number: 011065372 (680305) 7Textron Mansfield Work Order Number: W3-04-0277 Date Reported: 04-21-93 Table 1 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Identification Date Sampled Date Extracted Date Analyzed Reportin Limit mg � Concentration mg/L GTEL Number Client ID 01 System INF 04-05-93 04-19-93 04-20-93 0.5 <0.5 02 LGAC-2INF 04-05-93 04-19-93 04-20-93 0.5 <0.5 03 S stem EFF. 04-05-93 04-20-93 04-21-93 0.5 <0.5 Methods for Chemical Analysis of Water and Wastes, EPA 600/4-79-020, US EPA. Sample received by laboratory at pH=7. NOTE: Sample temperature when received at the laboratory was 60C. GTEL Wichita, KS GTE L 3040277.DOC;1 ENVIRONMENTAL LABORATORIES. INC (I 61In83eaH ❑ Iu10d 4Se1d ❑ 61inlSaJoO ❑ Peal OIue6j0 ❑ 0109 0 1Z6L Ll OZ4L O COOZ 0 Z'6EZ Peal ❑ OIlS 0 011l SleM WVO ❑ VHOH O IVl O luelnpod LluOpd -SlelaW Vd3 LC) 0 qJ9H 0Isad 0 VOMWaS 0 VOA 0 SlelaW d101 Lo:. Lf� ' E]saplolgiaH 0 SOPP1190d 0 SlelaW X01 d3 Lo 0 OIEB 11019 Vd3 ❑ (9Z+) SON El IMOLZB 0ldd/9Z9 Vd3 ❑ (91+) SON El WU 6d8 El ldd/29 Vd3 ❑ RIUO OOd 0 0809 O 809 Vd3 Q ❑ OZ08 Vd3 0 2:09 Vd3 LVy W El0109 VA 0 109 Vd3 ❑ Z'909 Vd3 0 1'£09 Vd3 LLIO Q _ : ❑ b05 Rq d000 0 40S 6q 803 y C` ❑ 809 WS' -1'8LV HI/Hdl V � D E05 WS O Z'£16 0 I's 16 osea/O pue lId 0 Q ❑ (SIOWIS) eplad uogleoap6H 2 Q ❑ U0913S ❑ Iesa10 ❑ se9 Old/3O suog1u00JP6H V ❑ 381W 411m 0 Old/Old su0gie003P6H Se0/X310 Q ❑ 301W 4LM ❑ OZ09 ❑ Z091X31G JQ1 m C a 3WI1 Y 1 31V4 -b3HIO CL M1 . n V a3AU3S3UdNn w °OS`H vj N cc _ i InrN v. ° `ONH 0 Lf> ZLo CD Y ce) Oo CCZco 0] o��gm < LL W J00 22roe w 0 z `m E E �n E m { w m U 2 N � ro � m E N O IOH NEWI �Mmmmmmammm II 0- LL W O U) J 0 r J m J i O. c 1 n x l` m J r� 9 U O ik Q 2 2 3 I`w^' E v E E O P F- 1- (� M M� M V., v v E, = c c c O 2 0¢ Q GTEL E N V I R O N M E N T A L ® LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603) 672-4835 (603) 673-8105 (FAX) April 20, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-04-0187 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 04/07/93 under chain -of -custody record 53368. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. "4 Susan C. Uh er- Laboratory Director GTEL Milford, NH J3040187.DOC:1 Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-04-0187 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 040187-01 040187-02 040187-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 04/05/93 04/05/93 04/05/93 Date Analyzed 04/10/93 04/10/93 04/10/93 Analyte Reporting Limit, ugL Concentration, ug/L Dichlorodifluoromethane 1.0 < 100 < 1.0 < 1.0 Chloromethane 1.0 < 100 < 1.0 < 1.0 Vinyl Chloride 1.0 < 100 < 1.0 < 1.0 Bromomethane 1.0 < 100 < 1.0 < 1.0 Chloroethane 1.0 < 100 < 1.0 < 1.0 Trichiorofluoromethane 1.0 < 100 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 100 < 1.0 < 1.0 Methylene Chloride 1.0 < 100 < 1.0 < 1.0 1,2-Dichloroethene total c 1.0 860c < 1.0 < 1.0 1, 1-Dichloroethane 1.0 < 100 < 1.0 < 1.0 Chloroform 1.0 < 100 < 1.0 < 1.0 1,1,1-Trichloroethane 1.0 < 100 < 1.0 < 1.0 Carbon Tetrachloride 1.0 < 100 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 100 < 1.0 < 1.0 Trichloroethene 1.0 2300 < 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 100 < 1.0 < 1.0 Bromodichloromethane 1.0 < 100 < 1.0 < 1.0 2-Chloroethylvin I Ether 1.0 < 100 < 1.0 < 1.0 Reporting Limit Multi lierb 100 1 1 GTEL Milford, NH GTE L J3040187.DOC:2 ENVIRONMENTAL LABORATORIES, INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-04-0187 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 040187-01 040187-02 040187-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 04/05/93 04/05/93 04/05/93 Date Analyzed 04/10/93 04/10/93 04/10/93 Analyte Reportin Limit, ug Concentration, ug/L c/s-1,3-Dichloropropene 1.0 < 100 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 100 < 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 100 < 1.0 < 1.0 Tetrachloroethene 1.0 11000 < 1.0 < 1.0 Dibromochloromethane 1.0 < 100 < 1.0 < 1.0 Chlorobenzene 1.0 < 100 < 1.0 < 1.0 Bromoform 1.0 < 100 < 1.0 < 1.0 1,1,2,2-Tetrachioroethane 1.0 < 100 < 1.0 < 1.0 1,8-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 Reporting Limit Multipiierb 100 1 1 Federal Register, Vol. 49, October 26, 1984. The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. 1,2-Dichloroethene (total) is the sum of both c/s- and trans- isomers. GTEL Milford, NH GTE L J3040187.DOC:3 ENVIRONMENTAL ® LABORATORIES, INC. Client Number: 011065372 Project ID: Textron Mansfield Login Number: M3-04-0187 ANALYTICAL RESULTS Purgeable Aromatics in Water Modified EPA Method 602a GTEL Sample Number 040187-01 c 040187-02 040187-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 04/05/93 04/05/93, 04/05/93 Date Analyzed 04/12/93 04/12/93 04/12/93 Analyte Detection Limit, ug/L Concentration, ug/L Benzene 0.2 < 2.0 < 0.2 < 0.2 Toluene 0.5 < 5.0 < 0.5 < 0.5 Ethyl Benzene 0.8 < 8.0 < 0.8 < 0.8 Xylenes (total) 1.7 < 17 < 1.7 < 1.7 BTEX (total) __ _- Detection Limit Multi Ilerb 10 1 1 Federal Register, Vol. 49, October 26, 1984. Method modified to include additional compounds. The detection limit multiplier indicates the adjustments made to the data and detection limits for sample dilutions. Sample was analyzed diluted due to the presence of non -target compounds. GTEL Milford, NH GTE L J3040187.DOC:4 ENVIRONMENTAL NLABORATORIES,OMENIN C. 0 0 �,._ i� . m '" l: •�"3' ❑ LI!AlloeaH ❑ 1u10d 4seld ❑ R4AIs0J100 ❑ peal 01ue610;� ❑ 0109 O LZYL ❑ 09PL O L'OOZ O Z"6EZ Peal ❑ Ol1S 11 011l sialaW WVD co ❑ VHOH ❑ JVl ❑ lueln110d 61u0Pd - sIelaW tld3 CO ❑ g1aH O Isad O VOA-IwaS O VOA ❑ sIelaW d101 M ❑ saPPMAOH O saP!01180d O sIelaW XOl d3 (Y) C\` L.(,1 ❑ Wo ❑ 019 Vd3 ❑ (9Z+) SON ❑ WiIOLZO O ldd/SZ9 tld3 ❑ (91+) SON ❑ IVLObZB ❑ lddl1,99 VA ❑ 61ua 80d ❑ 0900 C1 809 tld3 Y ¢ < J O a " O ro s > d ¢ a > > _ a > > 3 ❑ OZOB Vd3 ❑ 909 tld3 W ❑ OIOB tld3 0 109 Vd3 ❑ Z'ZOS Vd3 0 CE05 tld3 d ❑ Y05 Lq d080 ❑ 60S Rq 803 4 y ❑ EOS WS C914 HIIHdl g� 'P E F V. - E s. �_- j� ❑ E05 WS O Z'E1b❑ CEl4 asew0 Pue 110 J - (SIOWIS) al!lwd uogieOwPRH IN- V 'P ` Y5\ z R ❑ uawaS ❑ IasOM ❑ se0 Old/09 suogie0wp6H Zt O ❑ 381w gIIM ❑ OId/Old suogjeowpdH se0/X318 ❑ 381W 411m ❑ OZ08 9091X318 w ¢ 0 v❑ rn c E 3wu a' F w Jfr 31VG01 O Z Y (� `^'�V W ir W H10 a3AN3SUM _ � M' '1,�J ,0 �_ O p. 2 301 J \\VVVVV = O 'OS`H " \ \ln1 `'tlNcJ� O `ONH 11\ \ a` a a I�H ) © M U) lQi H3H10 z � \ V a ion(IOtld N4 CI) ��p' �1 amis HIV = Lo W �M f- Z 0:) o H31VM a' cli m yx�k o a "S�euleluo0 ry a Z in . O (no J ua-, Co U -_-' �. ((oo 0000 .-Z >. ro E _ C d y 0 N J 0 N N 0 v w o c" O w c c mLam'- . C9 O U a Q O 2 2 N O FZ 2.s El El El El LU s w w v Zw w` m N ❑ a Q 2 o'er O W.`. ? �3E t F cmo l—!, vv Zj a .LLB U) N V CC au W c O o , � 2" oa mn U0 �.a .�\ a` w O m m 1 ❑❑�❑ GROUNDWATER ❑0� TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 LETTER OF TRANSMITTAL DATE: 6/18/93 Via: U.S. Mail TO: USEPA -Region I ADDRESS 60 Westview Street CITY Lexinpton, MA 02173-3185 ATTENTION: Mr. David Tordoff # 04301-0010 We are sending you: x Herewith _ Under separate cover _ Prints _ Tracings _ Specifications _ Other NPDES Permit exclusion, monthly discharge monitoring report - May 1993. These are: (As checked below) _ Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit Return _ corrected copies _ For your approval For review and comment x Per your request _ For use on job _ For your files Remarks Please call me if you have any questions or comments. If enclosures received are not as listed above, please notify at once. copy: Mr. Robert C. Bravlev, Textron, Inc. Very truly yours, Mr. Marcel Boelitz. MA DEP GROUNDWATER TECHNOLO Mr. Scott Leite, Mansfield Health Agent Mr. Dick Lewis Mansfield Con. Comm By FDIC, Asset #771545084 Robert H. Bird Senior Project Manager SJ26.6a Offices throughout the U.S., Canada and Overseas ❑❑® GROUNDWATER ❑❑❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT Mav 1993 Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: I Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: I January 18, 1993 Total Volume Discharged to Date: 1 406,187 Gallons Volume Discharged This Period: 1 172,818 Gallons 11 Average Flow Rate This Period: 1 3.75 Gallons per Minute 11 11 Monitoring Date(s): 1 5/7/93 11 SJ26.6 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: ( See Table 1 and attached analytical laboratory reports. Permit Conditions Met: I Yes Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date:. May 7, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Inf .2 LGAC 2 - Eff.3 Limit 1,2-Dichloroethene (total)" pg/L 250 <1.0 <1.0 NA Trichloroethenes pg/L 1,100 <1.0 <1.0 5 Tetrachloroethene° pg/L 16,000 <1.0 <1.0 5 Benzenes pg/L <0.4 <0.2 <0.2 5 Toluenes /ig/L <1.0 <0.5 <0.5 NA Ethylbenzenes - pg/L <1.6 <0.8 <0.8 NA Xylenes(total)s•2 pg/L <3.4 <1.7 <1.7 NA Total BTEXs pg/L - - - - - - - - - 100 Total Petroleum mg/L <0.49 <0.53 <0.48 5 Hydrocarbons° NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. 2 LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. 3 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. 4 LGAC 2 - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. 5 Laboratory analysis by EPA Method 601. s Laboratory analysis by Modified EPA Method 602. 2 Xylenes (total) = total of xylene isomers. s Total BTEX =total of benzene, toluene, ethylbenzene and xylenea. ° Laboratory analysis by EPA Method 418.1. SJ26.6 � PW GROUNDWATER D]LIJ TECHNOLOGY NGTEL E N V I R O N M E N T A L ® LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) May 24, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-05-0266 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 05/11/93 under chain -of -custody record 53380. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. n . hl r boratory Director GTEL Milford, NH J3050266.DOCA Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-05-0266 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 050266-01 050266-02 050266-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 05/07/93 05/07/93 05/07/93 Date Analyzed 05/14/93 05/17/93 05/14/93 Analyte Reporting Limit, ugL Concentration, ug/L Dichlorodifluoromethane 1.0 < 200 < 1.0 < 1.0 Chloromethane 1.0 < 200 < 1.0 < 1.0 Vinyl Chloride 1.0 < 200 < 1.0 < 1.0 Bromomethane 1.0 < 200 < 1.0 < 1.0 Chloroethane 1.0 < 200 1.4 < 1.0 Trichlorofiuoromethane 1.0 < 200 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 200 < 1.0 < 1.0 Methylene Chloride 1.0 < 200 < 1.0 < 1.0 1,2-Dichloroethene total c 1.0 250c < 1.0 < 1.0 1,1-Dichloroethane 1.0 < 200 < 1.0 < 1.0 Chloroform 1.0 < 200 < 1.0 < 1.0 1, 1, 1 -Trichloroethane 1.0 < 200 < 1.0 < 1.0 Carbon Tetrachloride 1.0 < 200 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 200 < 1.0 < 1.0 Trichloroethene 1.0 1100 < 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 200 < 1.0 < 1.0 Bromodichloromethane 1.0 < 200 < 1.0 < 1.0 2-Chloroethyivin I Ether 1.0 < 200 < 1.0 < 1.0 Reporting Limit Muitipiierb 200 1 1 GTEL Milford, NH GTE L J3050266.DOC:2 EN V I R O N M E N I A L ® LABORATORIES, INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-05-0266 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 050266-01 050266-02 050266-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 05/07/93 05/07/93 05/07/93 Date Analyzed 05/14/93 05/17/93 05/14/93 Analyte Reportin Limit, ugX Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 200 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 200 < 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 200 < 1.0 < 1.0 Tetrachioroethene 1.0 16000 < 1.0 < 1.0 Dibromochloromethane 1.0 < 200 < 1.0 < 1.0 Chlorobenzene 1.0 < 200 < 1.0 < 1.0 Bromoform 1.0 < 200 < 1.0 < 1.0 1,1,2,2-Tetrachioroethane 1.0 < 200 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 200 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 200 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 200 < 1.0 < 1.0 Reporting Limit Multiplierb 200 1 1 Federal Register, Vol. 49, October 26, 1984. The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. GTEL Milford, NH GTE L J3050266.DOC:3 ENVIRONMENTAL ® LABORATORIES. INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-05-0266 ANALYTICAL RESULTS Purgeable Aromatics in Water Modified EPA Method 602a GTEL Sample Number 050266-01 c 050266-02 050266-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 05/07/93 05/07/93 05/07/93 Date Analyzed 05/14/93 05/14/93 05/14/93 Analyte Detection Limit, ug/L Concentration, ug/L Benzene 0.2 < 0.4 < 0.2 < 0.2 Toluene 0.5 < 1.0 < 0.5 < 0.5 Ethyl Benzene 0.8 < 1.6 < 0.8 < 0.8 Xylenes (total) 1.7 < 3.4 < 1.7 < 1.7 BTEX (total) -- _- -- -- Detection Limit Multl herb 2 1 1 a Federal Register, Vol. 49, October 26, 1984. Method modified to include additional compounds. b The detection limit multiplier indicates the adjustments made to the data and detection limits for sample dilutions. c Sample was analyzed diluted due to the interference of non -target compounds. GTEL Milford, NH JJGTEL J3050266.DOC:4 ® ENV RA0O R^EESN INC. Client Number: 011065372 Project ID: Textron/Mansfield Login Number: M3-05-0266 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1 a Sample Identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID -- -- -- -- -- 050266-01 SYSTEM INF 05/07/93 05/17/93 05/18/93 0.49 < 0.49 050266-02 LGAC-21NF 05/07/93 05/17/93 05/18/93 0.53 < 0.53 050266-03 SYSTEM EFF 05/07/93 05 17 93 05 18 93 0.48 < 0.48 EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH GTE L J3050266.DOC:5 ENVIRONMENTAL LABORATORIES, INC. CJ 0 AI!A!13e@U El JU10c] qSUIJ [I AoAISOJJOD U) ,Z El PUOI 0lue6JO 0 0109 0 tZPL El RtL 0 L*OOE 0 TM POGI 0 oils 0 Olu SIBIOIN VWO El VEJOH [I IV_L El juejnllOd Alljoud - sIBIBIN VA 11 qJGH 0 IsOd 0 VOA-1 00 wOS 0 VOA El WION dl01 (Y) El SOMONJOH 0 SOPIORsOd Cl SICION XOi d3 2" V'N LO 0 OLEO 0 019 Vd] El W +) SON El IVi/OLZ9 El Idd/949 Vd3 DOWSON OlVi/OPZB IllddlPZ9Vd3 4p 0 I lid Cl AIUO 90d 1:10909 El 809 VdR 0 0 Oa09 Vd3 0 Z09 Vd3 co y. cc 0 0 > 0 0 108 VdA 0 109 Vd3 El TZ09 Vd3 El VC09 Vd3 LLI 0 tog Aq d090 ci tog Aq qa3 m �c Cc 1IC09VI-9'0V81PUI/l4dl Z�Jlzlkd Cl cog Ns Cl 3TIt, D OSROJE) [Im Pue 110 F E E _,Z) N 13 (SIGNS) 0111OJd UOq'800JPAH 0 u9ajDS 0 Jam(] o suE) (iji/09 suGqiuDOJPAH ,;z C) 0 381P 411m 11 01:1101d suoqiBOOJPAH 980IX318 z w ir d fir. 0 381W Om 0 ozo MMIS rn 0 cx� N CL E Fivili —lZ rl w 31va to z (9 F- '"UMdS) li < .A rn 0 C) LLI ir 0 MAHMMM u,% Q- -0 0 — L w 301 — Qp tlJ p 0 ?, Q fr 'OS'H rr to `ONH U) Rlb w w IOH I Z LO LO Jk ts H3HiO iollaoud 0 Cl) g 00 m HIV 0 2: Lo LLI rr m I-- 0 z 110S Z 00 ro d'T 0w 2 4; H31tlM CAC SIOU191U00 # cn Od I Ir C', ) N to :� m 0 CO < U-CO C� LU-j 0 C) (D co 76 0 i5 ui > 0 M-T 6 CL W, w E 0 0 Zd wo 1:1 El 0 0 low Z, *s R Q '4V ILi E Cc 00 r Z E LL Ca < U) C) E 1-11114: GROUNDWATER ❑❑❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 LETTER OF TRANSMITTAL DATE:7/14/93 Via: U.S. Mail TO: USEPA -Region I ADDRESS 60 Westview Street CITY Lexington, MA 02173-3185 ATTENTION: Mr. David Tordoff # 04301-0010 We are sending you: x Herewith _ Under separate cover _ Prints _ Tracings Specifications _ Other NPDES Permit exclusion, monthly discharge monitoring report - June 1993. These are: (As checked below) _ Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit _ Return _ corrected copies _ For your approval For review and comment x Per your request _ For use on job _ For your files Remarks Please call me If you have any questions or comments. If enclosures received are not as listed above, please notify at once. copy: Mr. Robert C. Bravlev, Textron, Inc. Very truly yours, Mr. Marcel Boelitz, MA DEP GROUNDWATER TECHNOLOG Mr. Scott Leite, Mansfield Health Agent Mr. Dick Lewis Mansfield Con. Comm By. t ((�� •/( FDIC. Asset #771545084 Robert H. Bird SJ26.37 Senior Project Manager Offices throughout the U.S., Canada and Overseas ❑❑ GROUNDWATER ❑�❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT June1993 II Facility: I Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: I Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: I January 18, 1993 Total Volume Discharged to Date: 1 441,798 . Gallons Volume Discharged This Period: 1 35,611 ` Gallons Average Flow Rate This Period: 1 0.95 ` Gallons per Minute SJ26.37 Date(s): 1 6/2/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: I See Table 1 and attached analytical laboratory Permit Conditions Met: I Yes Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: June 2, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Int.2 LGAC 2 - Eff.3 Limit 1,2-Dichloroethene (total)4•6 pg/L <500 <1.0 <1.0 NA Trlchloroethenes pg/L 830 <1.0 <1.0 5 Tetrachloroethenes pg/L 23,000 <1.0 <1.0 5 Benzenes pg/L <2.0 <0.2 <0.2 5 Toluenes pg/L <5.0 <0.5 <0.5 NA Ethylbenzenes pg/L <8.0 <0.8 <0.8 NA Xylenes (totaU6•7 pg/L <17 <1.7 <1.7 NA Total BTEXs pg/L - - - --- Total Petroleum mg/L <0.52 <0.52 <0.53 5 Hydrocarbons° NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. 2 LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. 3 LGAC 2 - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. 4 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. s Laboratory analysis by EPA Method 601. 6 Laboratory analysis by Modified EPA Method 602. 7 Xylenes (total) = total of xylene isomers. s Total BTEX = total of benzene, toluene, ethylbenzene and xylenes. s Laboratory analysis by EPA Method 418.1. SJ26.37 ❑❑0 GROUNDWATER ❑[ -TECHNOLOGY GTE L E N V I R O N M E N T A L ® LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) June 18, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-06-0071 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 06/03/93 under chain -of -custody record 53403. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. usan .1[U$h eer Laboratory Director GTEL Milford, NH J3060071.DOC:1 1-1 - 1 GROUNDWATER �U[� TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 LETTER OF TRANSMITTAL DATE: 8/25/93 Via: U.S. Mail TO: USEPA -Region I ADDRESS 60 Westview Street CITY Lexington, MA 02173-3185 ATTENTION: Mr. David Tordoff # 04301-0010 We are sending you: x Herewith _ Under separate cover _ Prints — Tracings _ Specifications Other NPDES Permit exclusion monthly discharge monitoring report - July 1993 These are: (As checked below) _ Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit _ Return _ corrected copies _ For your approval For review and comment x Per your request _ For use on job For your files Remarks Please call me if you have any questions or comments If enclosures received are not as listed above, please notify at once. copy: Mr. Robert C. Bravley, Textron Inc. Very truly yours, Mr. Marcel Boelitz MA DEP GROUNDWATER TECHNOLOG Mr. Scott Leite, Mansfield Health Agent Mr. Dick Lewis. Mansfield Con. Comm. By h ' FDIC. Asset #771545084 Robert H. Bird Senior Project Manager SJ26.57 Offices throughout the U.S., Canada and Overseas �❑ GROUNDWATER �_��❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 - Tel: (617) 769-7602 Fax: (617) 769-7785 MONTHLY DISCHARGE MONITORING REPORT July 1993 Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert C. Brayley, Site Remediation Manager (401) 457-2440 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 468,426 ` Gallons Volume Discharged This Period: 26,628 ' Gallons Average Flow Rate This Period: 0.64 . Gallons per Minute Monitoring Date(s): 7/8/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: See Table 1 and attached analytical laboratory reports. Permit Conditions Met: I Yes SJ26.37 are Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: July 8, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Inf .2 LGAC 2 - Eff 3 Limit 1,2-Dichloroethene (total)4,6 /7g/L 86 <1.0 <1.0 NA Trichloroethene6 pg/L 470 <1.0 <1.0 5 Tetrachloroethane6 pg/L 2,000 <1:0 <1.0 5 Benzene° pg/L <0.2 <0.2 <0.2 5 Toluene° pg/L <0.5 <0.5 <O.5 NA Ethylbenzenee ug/L <0.8 <0.8 <0.8 NA Xylenes (total)°'7 Ng/L <1.7 <1.7 <1.7 NA Total BTEX° - /jg/L --- --- --- 100 Total Petroleum mg/L <0.53 <0.60 <0.53 5 Hydrocarbons° NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. T LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. 3 LGAC 2 - Elf. = Effluent from second liquid granular activated carbon adsorbtion unit. - 4 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. 6 Laboratory analysis by EPA Method 601. ° Laboratory analysis by Modified EPA Method 602. 7 xylenes (total) = total of xylene isomers. ° Total BTEX = total of benzene, toluene, ethylbenzeno and xylenes. ° Laboratory analysis by EPA Method 418.1. SJ26.57 1:11CIGROUNDWATER VETIITECHNOLOGY I� 11GTEL E N V I R O N M E N T A L ® LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672--4835 (603) 673-8105 (FAX) July 22, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-07-0215 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 07/09/93 under chain -of -custody record 57006. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories,Inncc.. y Susan C. Uhler Laboratory Director GTEL Milford, NH J3070215.DOC:1 GTEL Client ID: 043010010 Login Number: M3070215 Project ID (number): 043010010 Project ID (name): Textron/Mansfield Analyte Benzene Toluene Reporting Limit Units 4, 2 ldg/{ 0.5 ug/L Q 8 usfL 1.7 ua/I Notes: EPA 602: Federal Register. Vol we 49. October 26. 1984. ANALYTICAL RESULTS <0:5 <1.7 Concentration: <0,2 r. <0.5 <0.5 R,B <1.7 Method: EPA 602 Purgeable Organics GTEL ENVIRONMFNcef Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-07-0215 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID -- -- -- -- -- 070215-01 SYSTEM INF 07/08/93 07/14/93 07/15/93 0.53 < 0.53 070215-02 LGAC-21NF 07/08/93 07/14/93 07/15/93 0.60 < 0.60 070215-03 SYSTEM EFF 07/08/93 07 14 93 07/15/93 0.53 < 0.53 a EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH J3070215.DOC:2 GTEL ENVIRONMENTAL ® LABORATORIES, INC. ❑ AI!A1IMH ❑ lulod 4suld ❑ LI!n!soiiop • • o ❑ peal 01ue6ip ❑ 0 109 ❑ 26L ❑ OZhL Cl LOU ❑ Z'6EZ peal � ❑ O116 O 0111 slelaW WtlO m CJ . ,. ❑ VdOd ❑ IVl O lueinpod 61Popd - SIBION Vd3 i, OQ - , S ❑ g1aH ❑ Ised ❑ VOA1WaS ❑ tlO0 ❑ slulaW d1O1 f ❑ saP!o!giaH ❑ sap100sed ❑ SIBION XOl d3 Lc) ❑ 0 LE9 ❑ O.19 VA l� ❑ (5Z+) SON ❑ IVVOLZ9 ❑ Idd/SZ9 Vd3 . (SL+) S8N ❑ MJCJOPZ9 ❑ ldd/6Z9 Vd3 `^ ❑ RNo 0 )d ❑ 0908 ❑ 809 tld3CC o N Y <. J O `m J 3 9 m \ ¢ � ' _ 3 Q-. ❑ OZO9 Vd3 ❑ 909 VA Qti 9 /J 1p W�,�!% ❑ OlO9 Vd3 l09 tld3 w na !wl ;9p ElZ'Z09 Vd3 El ['COS Vd3 Q LL,,, "` ❑ 405 6Q dO8O ❑ 40S 6q SO3 _ j ❑ EOS 1 WS t'9L4 dl/Hd1 E A E E E . E v U a ❑ 909 WS ❑ 7UP ❑ 1'M asaaip pue Ho 4. Q ❑ (SIOWIS) algwd uogieomp6H oz Q - ❑ uaaioS ❑ !aselO ❑ suo pidlp`J suogieaaPlH 10— z w wir M w m ^ m M. ro v^^ m ❑ 3S1W 4Pm ❑ ad/ald suog3eaaP6HSODIX31S U Q ❑ 381W Qm ❑ OZ09 909/X318 cy, Q E f ¢ \ O Z Y cr 0- lJ `\ D �' U ¢ U�_ u3ruo a3Aa353adNn 30l CYO _ �.(� _ \`\ � \: �` +� O Z n � r M � � L m may`4,0113H W ry w X LL 1. Q.. t�v 5 w Zo ^\� M ` d Y m OoJ �. .moZ d m mIrzcoF m '1O d31VM (D CC r, D co g t xx LL « °��' ¢ z E y siau!aluop y O a U v 4u oio Woo = -5 CD 00 > m E C d N 0 w 1— m '� c J > m m •V �J•n b J N N ry. Cl U U U E W. O C U ii W co 7 9 C E« 0 d 0 a Q _\ w� ❑❑❑ El \,J �Ww ❑ zo o �� o 2 �� � � y O wm Z Q N O U V7TE L E N V I R O N M E N T A L LABORATORIES, INC. Midwest Region 4211 May Avenue Wichita, KS 67209 (316)945-2624 (800)633-7936 (316) 945-0506 (FAX) July 16, 1993 John Colbert Groundwater Technology Inc. 3 Edgewater Dr. Norwood, MA 02062 Dear Mr. Colbert: Project. ID (Number) Project ID (Name) Work Order Number: 04301-0010 (680305) Textron Mansfield, MA W3-07-0143 Enclosed please find the analytical results for samples received by GTEL Environmental Laboratories on 07-10-93 under chain -of -custody record 57386. A formal quality control/quality assurance program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions concerning this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, Terry R.Loucks ,mac Laboratory Director �/ GTEL Wichita, KS Project ID (Number): 04301-0010 (680305) Project ID (Name): Textron Mansfield, MA Work Order Number: W3-07-0143 Date Reported: 07-15-93 ANALYTICAL RESULTS Volatile Organic Compound Analysis in Water EPA Method 601 Modifieda GTEL Sample Number 01 02 03 Client Identification S stem-inf L-GAC-2 inf System eff Date Sampled 07-08-93 07-08-93 07-08-93 Date Analyzed 07-13-93 07-14-93 07-14-93 Dilution Multi lierb 10 1 1 Anal a Reporting Limit, u L Concentration, u L Dichlorodifluoromethane 5.0 <50 <5.0 <5.0 Chloromethane 2.0 <20 <2.0 <2.0 Vin Ichiorfde 1.0 <10 13 <1.0 Bromomethane 2.0 <20 <2.0 <2.0 Chioroethane 1.0 <10 2.2 <1.0 Trichlorofluoromethane 1.0 <10 <1.0 <1.0 1,1-Dichioroethene 1.0 <10 <1.0 <1.0 Methylene chloride 1.0 <10 <1.0 <1.0 *total-1,2-Dichloroethene 1.0 86 <1.0 <1.0 1,1-Dichloroethane 1.0 <10 <1.0 <1.0 Chloroform 1.0 <10 <1.0 <1.0 1,1,1-Trichloroethane 1.0 <10 <1.0 <1.0 Carbon Tetrachloride 1.0 <10 <1.0 <1.0 1,2-Dichloroethane 1.0 <10 <1.0 <1.0 Trichloroethene 1.0 470 <1.0 <1.0 1,2-Dichioro ro ane 1.0 <10 <1.0 <1.0 Bromodichloromethane 1.0 <10 <1.0 <1.0 2-Chloroeth vin tether 1.0 <10 <1.0 <1.0 cis-1,3,Dichloro ro ene 1.0 <10 <1.0 <1.0 trans-1,3-Dichloro ro ene 1.0 <10 <1.0 <1.0 1,1,2-Trichloroethane 1.0 <10 <1.0 <1.0 Tetrachloroethene 1.0 2000 <1.0 <1.0 Dibromochloromethane 1.0 <10 <1.0 <1.0 Chlorobenzene 1.0 <10 <1.0 <1.0 GTEL Wichita, KS GTE L ENVIRONMENTAL 3070143.DOC:1 ® LABORATORIES, INC. Project ID (Number): 04301-0010 (680305) Project ID (Name): Textron Mansfield, MA Work Order Number: W3-07-0143 Date Reported: 07-15-93 ANALYTICAL RESULTS Volatile Organic Com ound Analysis in Water EPA Methodp601 Modifieda GTEL Sample Number 01 02 03 Client Identification S stem-inf L-GAC-2 inf System eff Date Sampled 07-08-93 07-08-93 07-08-93 Date Analyzed 07-13-93 07-14-93 07-14-93 Dilution Multi lierb 10 1 1 Anal a Reporting Limit, u L Concentration, u L Ethylbenzene 1.0 <10 <1.0 <1.0 Total Xylenes 1.0 <10 <1.0 <1.0 Bromoform 1.2 <12 <1.2 <1.2 1,1,2,2-Tetrachloroethane 1.0 <10 <1.0 <1.0 1,3-Dichlorobenzene 1.0 <10 <1.0 <1.0 1,4-Dichlorobenzene 1.0 <10 <1.0 <1.0 12-Dichlorobenzene 1.0 1 <10 <1.0 <1.0 40 CFR Part 136,-Appendix A. Method modified for megabore column use and extra compounds. Dilution multiplier indicates the adjustments made for sample dilution. This number reflects a sum total of trans- + cis-1,2-Dichloroethene. NOTE: Sample temperature when received at the laboratory was 40C. GTEL Wichita KS 3070143.DOG� : 2 GTEL ENVIRONMENTAL ® LABORATORIES, INC. ? m o _ �11 m 3 3 n VJ N CnJQD � �..\ J w � to p� El :F _ Am1'fl a� w= ❑ ❑❑❑ a > O o m T3 v �' m' O a = 3 � r f o S 0 m I m .w. O j n n a m N Cr~- < G r x m v O yk r w > C - wrn�� m -� Cv ... —m o w -r D N Containers 3 y _-. o rrn00 y v O WATER m �_ -'_ o a m N ,� CD SOIL ,� o, r. -IWzm AIR y w m m ` frl Or20 f' SLUDGE '�+ x v CO0 PRODUCT OTHER ... '' •" O ym rn GO v HCI " . ..1, F" C x 0n HNOa iT) �1 HiSO� N w 7] O ICE z o L, �"' G V m O m UNPRESERVED fl' CL ._ �� C ., S y _ Z O DAIV p � � 3 m 3 TIME v ` �/\ 1\ Cn vj � f m m BTEX1602 ❑ 8020 ❑ with MTBE ❑ JJ _ N BTEX/Gas Hydrocarbons PIDIFID D with MTBE ❑ - .. Hydrocarbons GC Gas D Diesel ❑ Screen ❑ 2 .3 � ' Hydrocarbon Profile (SIMDIS) D Oil and Grease 413.10 413.2 D SM 503 ❑ TPHIIR 418.10 SM 5030 v,y - wQc m3 _ EDB by 504 D DBCP by 504 ❑ C)mm . ^ . 1 rZI ? er�.•7 C'C EPA 503.10EPA 502.20Zo o n a m O EPA 601 P�EPA 8010 ❑ •'I m I iol EPA ~ O� 602 D EPA 8020 D EPA 608 O 8080 O PCB only ❑ ��. EPA 624IPPL D 8240/TAL D NBS (+15) ❑ EPA 625/PPL D 827o(TAL D NBS (+25) ❑ —y, EPA 610D 83100 -'=! Q EP TOX Metals D Pesticides D Herbicides ❑ '; C J iry�*ia„ TCLP Metals DVOA OSemi-VOA D Pest ❑Herb ❑ £x OO _ N v \I EPA Metals - Priority Pollutant D TAL D RCRA ❑ _n.�.. p CAM Metals TLC D STLC ❑ Lead 239.2 D 200.7 D 7420 D 7421 ❑ 6010 ❑ 0 �1J w Organic Lead ❑ 0 Corrosivity 0 Flash Point 0 Reactivily, ❑ GROUNDWATER TECHNOLOGY Groundwater Techricilogv, hic. .District Office, 3 Edgewater Drive, Sui to 301, Norwood, MA 02062 Tel: (617) 769-7602, Nu.. (6171763-77d5 LETTER OF TRANSMITTAL DATE: September 30, 'i993 Via: U.S. Mail TO: USEPA -Region I ADDRESS 60 Westview Street CITY Lexington MA 02173-3185 ATTENTION:, Mr. David Tordoff _ # 04301-0010 We are sending you: _x_ Herewith _ Under separate cover _ Prints Tracings _ Specifications _ Other NPDES Permit exclusion monthly discharge monitoring report - Auqust 1993. These are: (As checked below) Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit Return _ corrected copies For your approval _ For review and comment _ x Per your request _ For use on job For your files Remarks Please call me if you have any questions or comments. If enclosures received are not as listed above, please notify at once. copy: Mr. Robert M. Kane Textron Inc. Very truly yours, _ Mr. Marcel Boelitz, MA DEP GROUNDWATER TECHNOL Y Mr. Scott Leite, Mansfield Health Aoent Mr. Dick Lewis. Mansfield Con. Comm. By v" ' ' ' V "' FDIC Asset #771545084 Robert H. Bird Senior Project Manager SJ27.19 Offices throughout the U.S'., Canada and Overseas GROUNDWATER 111 TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT 1993 Facility: Former Gorham Silver Company 340 South. Main Street Mansfield, Massachusetts Permit Holder: 'Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert M. Kane, Project Manager (401) 457-3577 Treatment System Operator: I Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 468,426 * Gallons Volume Discharged This Period: NA * Gallons Average Flow Rate This Period: NA * Gallons per Minute Monitoring Date(s): 8/5/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: See Table 1 and attached analytical laboratory reports. Permit Conditions Met: Yes * Flow meter malfunction. Values reported are less than actual. SJ27.19 Offices throughout the 11 S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: August 5, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Int3 LGAC 2 - Eff 3 Limit 1,2-Dichlorcethene (total)''s pg/L <200 <1.0 <1.0 NA Trichloroethenas pg/L 1,400 <1.0 <1.0 5 Tetrachloroethenes pg/L 16,000 <1.0 <1.0 5 Benzenes - pg/L <0.2 <0.2 <0.2 5 Toluenes pg/L <0.5 <0.5 <0.5 NA Ethylbenzones pg/L <0.8 <0.8 <0.8 NA Xylenes (total)6,7 Ng/L <1.7 <1.7 <1.7 NA Total BTEXs pg/L - - - - - - - - - 100 - Total Petroleum - mg/L <0.52 - <0.54 Hydrocarbons' NOTES: '--LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. x LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. s LGAC 2 • Eff. = Effluent fromsecondliquid granular activated carbon adsorbtion unit.. ' 1,2-Dichloroethene .(total) = total of cis -and trans-1,2-Dichloroethene. s Laboratory analysis by EPA Method 601. s Laboratory analysis by Modified EPA Method 602. 7 Xylenes (total) = total of xylene isomers. s Total. BTEX = total of benzene, toluene, ethylbenzene and xylones. s Laboratory analysis by EPA Method 418.1. SJ27.19 JHEIuJGROUNDWATER E__ TECHNOLOGY .1 .... �.:..v..� •v::v _.. .... vv..:v�viv .v v..�iv.:.LS11 GTEL ENVIRONMENTAL �. LABORATORIES, INC. Northeast Region • Meadowbrook Industrial Park ' Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) August 19, 1993 Robert H. Bird Groundwater Technology, Inc. 3. Edgwater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Bird: Client Number: 043010010 Project ID: Textron Mansfield Login Number: M3-08-0200 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 08/07/93 under chain -of -custody record 57421. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTE Enviro en a L rato or s, In Jan C. Uh er Laboratory irector GTEL Milford, NH K3080200. DOC:1 GTEL Client ID: 043010010 Login Number: M3080200 Project ID (number): 043010010 Project ID (name): Textron Mansfield Analyte BeOphe. Toluene Ethyl I ....Benz Wenes (ti Reporting Limit Units EPA 602: Federal Register. Volune 49, October 26. 1984, ANALYTICAL RESULTS 0.5 ug!L <0. 1.7 uq/L <1. Concentration: 7777;� <0.5 7 Method: EPA 602 Purgeable Organics Matrix: Aqueous NGTEL ENVIRONMENTAL LABORAMRIES. INC. Client Number: 043010010 Project ID: Textron Mansfield Login Number: M3-08-0200 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons In Water by Infrared Spectrometry EPA Method 418.1a Sample Identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID 080200-15 SYSTEM INFLUENT 08/05/93 08/12/93 08/13/93 0.52 < 0.62 080200-16 LGAC-2 : INFLUENT 08/95/93 08/12/93 08/13/93 0.54 < 0,54 080200-17 SYSTEM EFFLUENT 08/05/93, 08/12/93 08/13/93 0.53 <.0.53 a EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH K3080200.DOC:2 GTE L �_ ENVIRONMENTAL JBm i _ y I {S7 C3 611n0oeaki (3IwUd 4seld ❑ 611nisoiio0 c ❑ peal Oluebip ' U �. ❑ 0:09 El RYL ❑ Wd L ❑ L'OOZ ❑ Z'0Ed peal �✓- `. ----- -- Cl Ol1S O 0111 slelaW WVO m c r _ ❑ VHOki O ltll 0 luelnpod 61110pd -slelaW Vd3 0 i p giaH 0 tsad El VOA-IWaS O VOA 0 slelaW 001 'Ci•' . . .: �::,;:.�'— 0 sap101 OH ❑ sap1011sad ❑ Slela W XOl d3 ❑ OLEB E1019 Vd3 __ O (SE+) SON El lV.I/OLZB O ldd/999 VA ` ❑ (9l+) SON 0W1038 ❑ ldd/M Vd3 'k\ Q - ❑ Rluo 90d O 0809 O 909 Vd3 Q ❑ 0909 VA =08.Vd3 16 a J U W W ❑ Ot09 Vd3 fSi l09 Vd3 Y C A O.cc v 1 a1 r ❑ 9709 Vd3,0 V009 Vd3 C .., - O ,gLu - M O ❑ Y09 ESQ d080 o b09 RQ O03 WC. rc) r,..- ryl o Cl909 WS IR t'8lb l>I/Hdl ' U �. Q E09 WS ❑ ZM ❑ t'Elb aseew0 pue Il0 ❑ (SIOWIS) el001d uogieoap6H S r J E d Z I FE C ❑ uaBIDS ❑ lasa(O'. ❑ se0 Old/00 suogie3ap6H - Z ❑ 381W 411m O 01d/Old suogieOmp6H Se0/X318 ? ❑ 381W 411m O OZOo R Z09/X318 ('n.j of C wEto . Zc UM cc ' O Z tlpp ID H (~j p d I N ul O Oo My .7 Vl '6 N W p0, � a3Ae353lldNll r\ o q . o Z 0 ¢ 301 gyp`, ❑ `ONH w w x - IOH .-. rq H ^ N N LL Z L � N % ` O3H10 ionCOOd Y M. 00 J a 11 .� _tq F-� N � H m E x •`' \r 3� anis OIV O1u>W 9 01 2 110S mZOD0 a O31tlm m' 0 o _ a s�euleluo0 p 0 �yCk z� m ms �pco a LLN O e o a• m c O d m 1 N rl N Ho ❑ J WmN Gn t . . A ~ N c .c g= L.. O N — � \ p g o E 0 0' o o_ q o¢ ¢ J u O h rn O cco - b b a ❑❑❑ ❑ LU= fn H H W O M Z 44 -14 a! .a m� ❑ low P] F' d C.� � o wco _�W Q .7l I..L O! QEpw> E p¢ N 3 i tJ. c ro di E L N y co Cf) H v - ti .� .a > m E3 N u `v a m m F l l GTE EN VIRONME.NTAL LABORATORIES, INC. Northwest Region 4080 Pike Lane Suite C Concord, CA.94520 (510)685-7852 (800) 544-3422Inside CA FAX (510) 825-0720 Robert Bird Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Project Number: 043010010 Project Id: Mansfield, MA Work Order Number: C3-08-0141 August 25, 1993 Enclosed please find the analytical results for samples received by GTEL Environmental Laboratories, Inc. on 08/11/93, under chain of custody record 57384. A formal Quality Assurance/Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria, unless otherwise stated in the footnotes. . GTEL is certified by the California State Department of Health Services, Laboratory certi- fication number E1075, to perform analyses for drinking water, wastewater, and hazardous waste materials according to EPA protocols. . . If you have any questions concerning this analysis or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. Eileen F. Bullen Laboratory Director GTEL Concord, CA C3080141.CVL .ANALYTICAL RESULTS PUT eable Halocarbons in Water Modified EPA Method 601a Date Sampled Date Analyzed II - GTEL Sample Number I Dichloroditluoromelhane 1.0 _ _ Chloromethane 1.0 _ Vinyl Chloride 1.0 Bromomethane 1.0 Chloroethane 1.0 Trlchlorofluoromethane - 1.0 1,1-Dlchloroethens 1.0 M lena Chloride M1.chloreth 1.0 oene (total)c 1.0 Chloroform 1.0 1,1,1=frichloroethane 1.0 Carbon Tetrachloride 1.0 1,2-Dichloroethane 1.0 Trichloroethene 1.0 1 2-Dichloropropane 1.0 Bromodichloromethane 1.0 2-Chloroethvivinvl Ether 1.0 GTEL Concord, CA C3080141.GC6 Project Number: 043010010 Project Id: Mansfield, MA Work Order Number: C3-08-0141 15 16 SYSTEM INFLUENT LGAC-2 INFLUENT 08 05 93 08 05 93 08 19 93 08 19 93 tion, ug/L <200 <1.0 <200 <1.0 .. 1 <200 6 <200 <1.0 <200 3 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 1400 <1.0 <200 <1.0 <200 <1.0 <200 <1.0 200 1 GTEL E N V I RO N M E N I AL ® LABORATORIES, INC. Project Number: 043010010 Project Id: Mansfield, MA Work Order Number: C3-08-0141 ANALYTICAL RESULTS a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier.indicates the adjustments made to the data and reporting limits for sample dilutions. c 1,2-Dlchloroethene (total) is the sum of both cis- and trans- isomers. GTEL Concord, CA GTE L C3080141.GC6 ENVIRONMENTAL ® LABORATORIES. INC. Project Number: 043010010 Project Id: Mansfield, MA Work Order Number: C3-08-0141 ANALYTICAL RESULTS Pu:gcable Halocarbons in Water Modified EPA Method Ants Date Sampled 17 Date Analyzed SYSTEM EFFLUENT Client Identification 08/05/93 GfEL Sample Number 08 15/93 Analyte Detection Limit, ug/L Concentration, ug/L Dichlorodifluoromethane 1.0 <1.0 Chloromethane 1.0 <1.0 Vinyl Chloride 1.0 <1.0 Bromomethane 1.0 <1.0 Chloroethane 1.0 <1.0 . Trichlorofluoromethane 1.0 <1.0 1,1-Dichloroethene 1.0 <1.0 Methylene Chloride - 1.0 <1.0 1,2-Dichloroethene (total)c 1.0 <1.0 1,1-Dichloroethane 1.0 <1.0 Chloroform 1.0 <1.0 1,1,1-Trichloroelhane - - 1.0 <1.0 .Carbon Tetrachloride 1.0 <1.0 1,2-Dichloroethane 1.0 <1.0 Trlchloroethene 1.0 <1.0 1,2-Dichloropropane 1.0 <1.0 Bromodichloromethane 1.0 <1.0 l Ether Reporting Umit Multi lierb i GTELConcord, CA C308 Rio - GTE p C308 0141.GC6 ENVIRONMENTAL ® LABORATORIES, INC. ProjectNumber: 043010010 Project Id: Mansfield, MA Work Order Number: (13-08-0141 - ANALYTICAL RESULTS Put sable Halocarbons In Water Wd Ifinrl FPA MetheA Fnia Date Sampled 17 Date Analyzed SYSTEM EFFLUENT _ Client Identification 08 05 93 GTEL Sample Number 08 15 93 Analyte Detection Limit, ug/L Concentration, ug/L cis-13Dichloropropene 1.0 . <1.0 trans-1,3-Dichloropropene 1.0 <1.0 1, 1,2-Trichloroethane 1.0 <1.0 Tetrachioroethene 1.0 <1.0 Dibromochloromethane 1.0 .<1.0 Chlorobenzene 1.0 <1.0 Bromoform 1.0 <1.0 - 1,1,2,2-Tetrachloroethane - 1:0 <1.0 1,3-Dichlorobenzene - 1.0 <1.0 114-Dichlorobenzene .. 1.0 <1.0 - 1,2•Dichlorobenzene 1.0 <1.0 Reporting Limit Multi- Ilerb 1 a Federal Register, Vol. 49; October 26, 1984. b The reporting limit multiplier Indicates the adjustments made to the data and reporting limits for sample dilutions. c 1 2-Dichloroethens (total) is the sum of both cis- and trans- isomers. GTEL Concord, CA C3P80141.GC6 GTE ENVIRONMENTAL LABORATORIES,. INC. ®� onMESON �s�® so 0 - AMEN ON M MEN SOON ..: �......■■■M mom mom ■ :..: M■ on mom N. . r : ■ r • • • mom .M■ MEN W.,., ■ ■ r . A: ■ ..... ■.■ ■.ONES •- ■ .:. ■ r.r:.:r• .• ■N■■N■MONO ON NONE MEEM HOME , SEES ME ■ .. ■N■■■■■■■■ MEMOR ®gillrr•'_ • � I MEMO • . ., cc IL cc M MMENEM MEW MEM ME EMME■M � f ems......... .. .......NNW ..0 _ mom �.......... ' r �........M. Eggs A� � • Hl }s v r"YiJ � ����} �� �� a�Ft b r t..�z�f . •f �� I•t1 ��' • • • • .� b� QhN i�A r n dk rM1\ i'T y�hu4y�J' i' t 'L A 'E' 1 Id• 'E y�D }4i L�+�1�Ay l'>ck �� �.t7 111- "+.. 01 i'td ® ■ ■ 1 �yySji'�Y11 r•Y i[ •1 % y 1{�C�. �; i'{ �, � w. �„�'� C1V•"q. .may iJ 1(j��l YY II II \{: i tl \(' R Oyu F.�•'" a."U{'a it. >� \ p) Y}tr� �� 4 i.5 Il{(3df.:xh.i 1 •�y i � t ��' � y p" :q, .et �i �S 1'•y'F4k �Y'A 1)h1•\J Z�t(� Vr,`h3attuTW�(A}M-/dry .� i? �, 7":� \t '�J "! 0:.,. t� 6 t-•. n:-i4d4 0■p�'�'ei r� —'�. b�f. •71f i7.• a ��j,�e n, i:. qr; d- b :0 ti .17 ❑OMCHUZMOMoLtb CSZ'dZPWl .:;1+-ry .�:.:;q,c; ❑ OIlS 0 01U SMON NVJ 0 VUGH Cl.'Nl 0 WWWlod 4UOPd SIWaW Vd3 ❑ W0H 0 teed ❑ VOAIWGS ❑ VOA ❑ SIWV4 d101 ❑ SoplopoH O SOPlOfMd 0 qW A XOl d3 ❑ O109 0 Ol9 Vd3 ❑ (9Z+) SUN ❑ IVIAOLZU 0lddM9 Vd3 ❑ (St+) SON ❑ IVLOVZ9 ❑ Idd/VZ9 Vd3 ❑ AIUO sOd ❑ 0900 Cl 909 Vd3 ❑ OZ09 tld3 ❑ Z09 Vd3 ❑ 0t09 Vd3 l09 VA ❑ Z'Z09 Vd3 ❑ l'609 Vd3 ❑ M Ag dOSO 0 V09 AQ 9O3 ❑ COS WS ❑ VM NI/Hdl ❑ 009 WS 0 Z'Bty 0 felt, MOLD PM ®0 ❑ (SIOWIS) 01ywd iMJeowPAH ❑ uewos ❑ 19S01O ❑ S00 OIdIOO suo4le=PAH 0 39A 411M ❑ Old/Old suogieowpAH Se0/XRO 0 MW Qm ❑ OZ09 0 Z0MMS en c C. Will mcn �o �e3�diuo 03Ae3S3tlWN11 0 Z 301 C W 'OS`H q N �— J tea` 'ONH 9 IOH C3 to LU >o L S �z�F _vim m 0 00 ioWg OLLRi J J OO =MOOD x w d cd U) x IIPll v I La V JJ J ri J Az.N M. io TT a S O ,.a , p 3 :0 a, G T T J 0 ^ E E F- d m m 111 GROUNDWATER ❑❑ TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 LETTER OF TRANSMITTAL DATE: October 29, 1993 Via: U.S. Mail TO: USEPA -Region ADDRESS 60 Westview Street CITY Lexington MA 02173-3185 ATTENTION: Mr. David Tordolf # 04301-0010 We are sending you: x Herewith _ Under separate cover _ Prints _ Tracings _ Specifications _ Other NPDES Permit exclusion, monthly discharge monitoring report - September 1993. These are: (As checked below) Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit _ Return _ corrected copies _ For your approval For review and comment x Per your request _ For use on job _ For your files Remarks Please call me If you have any questions or comments. If enclosures received are not as listed above, please notify at once. copy: Mr. Robert M. Kane, Textron, Inc. Very truly yours, Mr. Marcel Boelitz MA DEP GROUNDWATER TECHNOLOGY Mr. Scott Leite, Mansfield Health Agent Mr. Dick Lewis Mansfield Con. Comm. By FDIC. Asset #771545084 Robert H. Bird Senior Project Manager SJ27.41 Offices throughout the U.S., Canada and Overseas GROUNDWATER TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Pax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT September 1993 General IriformatiRn; _0 ... ...... .... .. . . .... Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 Attn: Robert M. Kane, Project Manager (401) 457-3577 ,Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Treatmen -0 ............ ...................... . . ...... . Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 468,426 * Gallons Volume Discharged This Period: NA * Gallons Average Flow Rate This Period: NA * Gallons per Minute ­0 o .......... Monitoring Date(s): 9/16/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: See Table 1 and attached analytical laboratory I reports. Permit Conditions Met: I Yes * Flow meter malfunction. Values reported are less than actual. SJ27.41 Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: September 16, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Unite LGAC 1 - Inf.' LGAC 2 - Inf.' LGAC 2 - Eff.' Limit . 1,2-Dichloroethene (total)4•5 pg/L 1,100 <1.0 <1.0 NA Trichioroethene` pg/L 460 <1.0 <1.0 - 5 Tetrachloroethenes pg/L 3,300 <1.0 <1.0 5 8enzenee pg/L 0.4 - <0.2 <0.2 5 Toluenes pg/L <0.5 <0.5 <0.5 NA Ethylbenzenee pg/L - 0.8 <0.8 <0.8 NA Xylenes (total)ej pg/L - 2.7 <1.7 <1.7 NA Total EITEXe ug/L - - - - - - - - - 100 Total Petroleum mg/L <0.52 <0.52 <0.�25 Hydrocarbonss NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) edsorbtion unit. Y LGAC 2 - Inf. = Influent to second liquid granular activated carbon edsorbtion unit. - - '. LGAC 2 - Eff. = Effluent from second liquid granular activated carbon edsorbtion unit. 4 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. a Laboratory analysis by EPA Method 601. s Laboratory analysis by Modified EPA Method 602. ' Xylenes (total) = total of xylene isomers. 9 Total BTEX = total of benzene, toluene, ethylbenzene and xylenes. 6 Laboratory analysis by EPA Method 418.1. sJ27.41 E DJ GROUNDWATER [10❑ TECHNOLOGY GTE L E N V I R O N M E N T A L LABORATORIES, INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) October 4, 1993 Bob Bird Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Bird: Client Number: 043010010 Project ID: Textron Login Number: M3-09-0539 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 09/21 /93 under chain -of -custody records 57413 and 57416. A formal Quality Assurance / Quality Control (QA/QC) program.is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. Su&C�" Uhler Laboratory Director GTEL Milford, NH J3090539.DOC:1 Client Number: 043010010 Project ID: Textron Login Number: M3-09-0539 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 090539-01 090539-02 090539-03 Client Identification SYS INF LGAC INF SYS EFF Date Sampled 09/16/93 09/16/93 09/16/93 Date Analyzed 09/30/93 09/30/93 09/29/93 Analyte Reportin Limit, ug%2 Concentration, ug/L Dichlorodifluoromethane 1.0 < 100 < 1.0 < 1.0 Chloromethane 1.0 < 100 < 1.0 < 1.0 Vinyl Chloride 1.0 < 100 15 < 1.0 Bromomethane 1.0 < 100 < 1.0 < 1.0 Chloroethane 1.0 < 100 2.9 < 1.0 Trichlorofluoromethane 1.0 < 100 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 100 < 1.0 < 1.0 Methylene Chloride 1.0 < 100 < 1.0 < 1.0 1,2-Dichloroethene total)c 1.0 1100c < 1.0c < 1.0c 1,1-Dichloroethane 1.0 < 100 < 1.0 < 1.0 Chloroform 1.0 < 100 < 1.0 < 1.0 1,1,1-Trichloroethane 1.0 < 100 1.5 1.9 Carbon Tetrachloride 1.0 < 100 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 100 < 1.0 < 1.0 Trichloroethene 1.0 460 < 1.0 < 1.0 1,2-Dichloro ropane 1.0 < 100 < 1.0 < 1.6 Bromodichloromethane 1.0 < 100 < 1.0 < 1.0 2-Chloroeth Ivin I Ether 1.0 < 100 < 1.0 < 1.0 Reporting Limit Multi lierb 100 1 1 GTEL Milford, NH JJGTEL J3090539.DOC:2 ENVIRONMENTAL S LABORATORIES, INC. Client Number: 043010010 Project ID: Textron Login Number: M3-09-0539 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 090539-01 090539-02 1 090539-03 Client Identification SYS INF LGAC INF SYS EFF Date Sampled 09/16/93 09/16/93 09/16/93 Date Analyzed 09 30/93 09 30/93 09/29/93 Analyte Reporting Limit, ug/L Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 100 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 100 < 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 100 < 1.0 < 1.0 Tetrachloroethene 1.0 3300 < 1.0 < 1.0 Dibromochloromethane 1.0 < 100 < 1.0 < 1.0 Chlorobenzene 1.0 < 100 < 1.0 < 1.0 Bromoform 1.0 < 100 < 1.0 < 1.0 1,1,2,2-Tetrachloroethane 1.0 < 100 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 100 < 1.0 < 1.0 Reporting Limit Multiplierb 100 1 1 a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier indicates the adjustments made tothe data and reporting limits for sample dilutions. c 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. GTEL Milford, NH JJGTEL J3090539.DOC:3 ENVIRONMENTAL LABORATORIES, INC. GTEL Client ID: 043010010 ANALYTICAL RESULTS Login Number: M3090539 Volatile Organics Project ID (number): 043010010 Method: EPA 602 Project ID (name): Textron Matrix: Aqueous Keporting Analyte Limit Units Concentration: Benzene . ..... D: */L: 0.4 0.2 Toluene 0.5 ug/L < 0.5 < 0.5 < 0.5 Ethylbenzene. 0.6 ug/L. 0,8 0.8 < 0.8 Xylenes (total) 1.7 uq/L 2.7 < 1.7 < 1.7 Notes: EPA 602: Federal Register, Volume 49, October 26, 1984. GTEL Milford, NH M3090539:1 JJGTEL ENVIRONMENTAL LABORATORIES, INC. Client Number: 043010010 Project ID: Textron Login Number: M3-09-0539 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID -- -- -- -- -- 090539-01 SYSINF 09/16/93 09/23/93 09/24/93 0.52 < 0.52 090539-02 LGAC INF 09/16/93 09/23/93 09/24/93 0.52 < 0.52 - 090539-03 SYS EFF 09/16/93 09/23/93 09/24/93 0.52 < 0.52 EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH GTE L J3090539.DOC:4 ENVRE O RMESNINC. me l ) m0 o� I� m N S Q m N O O A d a m V « � D O 0 I ■■ �\ �- kA C0 w -n p� N �h N Containers 9 m X HCI HN0' HsP N O m CE < 0 UNPRESEHVED O O- m w' ZZ TIME v 0 o 0 0 El 3 a� p- m ro o a fi 3 C 0o 0 0 a 2 i m � w a o 0 ovFrn rt D 0 m r J r-moo D-ID7O aS 'm ap 07N0* G% m W 0 1 z mr(n=O o 6 r o0 LJ o �j c co W l p S 30 } V f D \l BTEX/602 k' 8020 ❑ with MTBE ❑ WO BTEX/Gas Hydrocarbons PID/FID 0 with MTBE ❑ ° w ^,j Hydrocarbons GC/FID Gas ❑ Diesel ❑ Screen ❑ Hydrocarbon Profile (SIMDIS) ❑ rt r T Oil and Grease 413.10 413.2 0 SM 503 ❑ W y TPHIIR 418.1 WSM503❑ - yy D EDB by 504 0 DBCP by 504 0 'p O i1 EPA 503,1 0 EPA 502.2 ❑ `. Q) EPA 601 KEPA 8010 ❑ (mp m 4 EPA 6020 EPA 80200 EPA 608 ❑ 8080 0 PCB only 0 O D\ EPA 624/PPL 08240(rAL O NBS(+15)El 7par'# EPA 625/PPL 0 827o7rAL 0 NBS (+25) ❑ EPA 610 0 8310 ❑ EP TOX Metals O Pesticides ❑ Herbicides'p TCLP Metals 0 VOA 0 Semi -VOA 0 Pest 0 Her ❑ t�, EPA Metals - Priority Pollutant 0 TAL 0 RCRA ❑ I W CAM Metals TTLC 0 STLC ❑ Lead 239.2 O 200.7 0 7420 0 74210 6010 0 Organic Lead ❑ 1 Corrosivity 0 Flash Point ❑ Reactivity ❑ r ❑ No l H �' c ., N J � 0 El O A D ❑1 ❑❑❑ O w m r r m o w m � a y 8 m O z G) 33 c, A �\ C R O o o m 7J � o m g w x O r � w w h ul SN IIIIIIIIIIN mmmmlmmm®©©® mmmmmmmmmm�lu mmmmom mmmm '® mmmmommomm '®' mmmmmmmmmm® ■■N■■�■■��� mmmmmm■■mm�;, mmmmmmmmmm®MENEENNEEM _ 0 w N w w D } m 0 m O N n= m C` a o � m 2 O � O OD 0) oW-nm D nm 0 rrn0 DN7J0 o w��z� .. m W 0� o' Mm2: F- o0 nS \J�1 rD- QS Q u m ` 0 D 7\ TIME •� BTEX/602 0 8020 ❑ with MTBE ❑ BTEX/Gas Hydrocarbons PIDIFID 0 with MTBE El Hydrocarbons GC/FID Gas ❑ Diesel ❑ Screen ❑ Hydrocarbon Profile (SIMOIS) ❑ Oil and Grease 413.10 413.2 O SM 503 ❑ TPHIIR 418.10 SM 503 Cl EDB by 504 0 DBCP by 504 ❑ EPA 503.10 EPA 502.2 ❑ EPA 601 &fPA 8010 ❑ EPA 602 0 EPA 8020 ❑ EPA 608 0 8080 0 PCB only ❑ EPA 624/PPL 0 8240rrAL 0 NBS (+15) ❑ EPA 625/PPL ❑ 8270/rAL 0 NBS (+25) ❑ EPA 6100 83100 EP TOX Metals 0 Pesticides 0 Herbicides ❑ TCLP Metals 0 VOA 0 Semi -VOA 0 Pest El Herb ❑ EPA Metals - Priority Pollutant 0 TAL 0 RCRA ❑ CAM Metals TTLC 0 STLC ❑ Lead 239.2 O 200.7 0 7420 0 74210 6010 0 Organic Lead ❑ Corrosivity ❑ Flash Point 0 Reactivity 0 Cn N GROUNDWATER TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617)769-77Go LETTER OF TRANSMITTAL DATE: November 23, 1993 Via: U.S. Mail TO: USEPA -Region I _ ADDRESS 60 Westview Street CITY Lexington MA 02173-3185 ATTENTION: Mr. David Tordoff yr` 041OM434 We are sending you: x Herewith _ Under separate cover Prints _ Tracings _ Specifications _ Other _NPDES Permit exclusion; monthly discharge monitoring report - October 1993. These are: (As checked below) Approved Not approved No exceptions Make corrections observed _ Revise and resubmit Return _ corrected copies _ For your approval For review and comment _ x Per your request For use on job For your files Remarks Please Gail me if you have any questions or comments. _ If enclosures received are not as listed above, please notify at once. copy: Mr. Robert M. Kane, Textron, Inc. Very truly yours, _ Mr. Gerard Marten. MA DEP GROUNDWATER TECHNOLO `( Mr.,Scott Leite, Mansfield Health Agent I �- Mr. Dick Lewis. Mansfield Con. Comm. lay t A l r �`-1 _ FDIC, Asset #771545084 _ Robert H. Bird Senior Project Manager SJ2A.20 Offices throughout the U.S., Canada and Overseas �� ❑ GROUNDWATER ❑ �� TECHNOLOGY. Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617) 769-7785 NPDES PERMIT EXCLUSION MONTHLY DISCHARGE MONITORING REPORT October 1993 Facility: Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Permit Holder: Textron Inc. 40 Westminster Street Providence, Rhode Island 02903 r IAttn: Robert M. Kane, Project Manager (401) 457-3577 Treatment System Operator: Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, Massachusetts 02062 Attn: Robert H. Bird, Senior Project Manager (617) 769-7602 x262 Discharge Start Date: January 18, 1993 Total Volume Discharged to Date: 468,479 gallons" Volume Discharged This Period: 8,640 gallons (estimated)' Average Flow Rate This Period: 0.2 gallons per minute' Monitoring Date(s): 10/13/93 Analytical Methods: Modified EPA Method 602 EPA Method 601 EPA Method 418.1 Results: See Table 1 and attached analytical laboratory Permit Conditions Met: I Yes Flow is below measurement limit of meter (1.0 gpm). SJ28.20 Offices throughout the U.S., Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Datc: October 13, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf' LGAC 2 - Inf. LGAC 2 - Eff.s Limit 1,2-Dichloroethene (total)'.` pg/L 800 <1.0 <1.0 1 NA Trichlomethenes pg/L 670 <1.0 <1.0 5 Tetrachloroethenes pg/L 6,200 <1.0 <1.0 5 Benzenes pg/L <5.0 <0.5 <0.5 5 Toluenoe pg/L <10 <1.0 <1.0 NA I Ethylbenzenee pg/L <10 <1.0 <1.0 NA x0enes (total)s'' pg/L <20 <2.0 <2.0 NA otal BTEXs pg/L - - - - - - - - - 100 Total Petroleum mg/L <1.0 <1.0 <1.0 5 Hydrocarbons° NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular eutivated carbon (LGAC) adsorbtion unit. LGAC 2 -.Inf. = Influent tc second liquid granular activated carbon adsorbtion unit LGAC 2 -. Eff. = Effluent from second liquid granular activated carbon' adsorbtion unit. a 1,2-Dichloroethene (total) = total of c/s- and trans-1,2-Dichloroethene. 6 Laboratory analysis by EPA Method 601. " Laboratory analysis by Modified EPA Method 602. Xylenes (total) = total of xylene isomers. c Total BTEX = total of benzene, toluene, ethylbenzane and xylenes. u Laboratory analysis by EPA Method 418.E SJ29.20 �❑�J� GROUNDWATER = TECHNOLOGY r GTEL E N V I R O N M E N TA L ® LABORATORIES,..INC. Northeast Region Meadowbrook Industrial Park. Milford, NH 03055 (603) 672.4835 (603) 673-8105 (FAX) October 22, 1993 John Colbert Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 Dear Mr. Colbert: Client Number: 043010010 Project ID: Textron Mansfield Login Number: M3-10-0408 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 10/14/93 under chain -of -custody record 59076. A formal Quality Assurance / Quality_ Control (QA/QC) program. is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QG criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. Director GTEL Milford, NH A3100408.1DOCA r GTEL Client ID: 043010010 Login Number: M3100408 Project ID (number): 043010010 Project ID (name): TEXTRON MANSFIELD Reporting Limit Units ANALYTICAL RESULTS Toluene 1.0 ug/L < 10. < 1.0 < 1.0 Etylbenzene 1.0 ug/L < i0. Xylenes (total) 2.0 ua/L < 20. < 2.0 < 2.0 Notes GTEL Milford, NH M3100408:1 Volatile Organics Method: EPA 602 Matrix: Aqueous GTE L ENVIRONMENTAL 0 LABORATORIES, INC. r Client Number: 043010010 Project ID: Textron Mansfield Login Number: M3-10-0408 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 100408-01 100408-02 100408-03 Client identification SYSTEM INF LGAC-2 INF SYSTEM EFF _ Date Sampled 10/13/93 10/13/93 10/13/93 Date Analyzed 10/19/93 10/19/93 10/19/93 Analyte Reportin Limit, ugj2 Concentration, ug/L Dichlorodifluoromethane 1.0 < 100 < 1.0 < 1.0 Chloromethane 1.0 < 100 < 1.0 < 1.0 Vinyl Chloride 1.0 < 100 10 < 1.0 Bromomethane 1.0 < 100 < 1.0 < 1.0 Chloroethane _ 1.0 < 100 1.7 < 1.0 Trichlorofluoromethane 1.0 _ < 100 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 100. < 1.0 < 1.0 Methylene Chloride 1.0 < 100 < 1.0 < 1.0 1',2-Dichloroethere total c 1.0 800 < 1.0 < 1.0 1,1-Diohloroethane 1.0 < 100 < 1.0 < 1.0 Chloroform 1.0 < 100 < 1.0 <.1.0 1,1,14richloroethane 1.0 < 100 1.8 2..9 .Carbon Tetrachloride 1.0 c900 < 1.0 < 1.0 1,2-Dichloroethahe 1.0 < 100 < 1.0 < 1.0 Trichloroethene 1.0 670 < 1.0 < 1.0 1,2-Dichlord ro ane 1.0 < 100 < 1.0 < 1.0 Bromodichloromethane 1.0- < 100 < 1.0 < 1.0. 2-Chloroeth Ivin Ether 1.0 < 100 < 1.0 < 1.0 Reporting Limit Multi lierb 100 1 1 GTEL Milford, NH A3100408.DOC:2 GTELR ® LABORATORIES, INC. Client Number: 043010010 Project ID: Textron Mansfield Login Number: M3-10-0408 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601e GTEL Sample Number 10040MI 100408-02 100408-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF_ Date Sampled 10/13/93 10/13/93 10/13/93 11 __ _ Date Analyzed i 10/19/93 1 10/19/93 1 10/19/93 1 II .,.....1.- cis-1,3-Dichloropropene -„nu, vV/,- 1.0 < 100 VUIIul91lI LIUu[], < 1.0 uy1L < 1.0 trans-1,3-Dichloropropene 1.0 < 100 < 1.0 < 1.0 . 1_1,2-Trielilomethane 1.0 < 100 < 1.0 < 1.0 _ Tetrachloroethene _ 1.0 6200, < 1.0 < 1.0, ^- Dibromochloromethane 1.0 < 100 < 1.0 < 1.0 Chlorobenzene Y 1.0 < 100 < 1.0 < 1.0 _ Bromoform 1.0 < 100 < 1.0 < 1.0 1,1,2,2-Tetrachloroethane 1.0 < 100 < 1.0 < 1.0 1,3-Dichlor6benzene 1.0 < 100 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 100 < 1.0 1,2-Dichlorobenzene 1.0 < too < 1.0 < 1.0 Reporting_Limit Multiplierb 100 1 1 a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. c 1,2-Dichloroathene (total) is the sum of both cis- and trans- isomers. GTEL Milford, NH CITE L A3100408.DOC:3 ENVIRONMENTAL LABORATORIES, INC. n Client Number: 043010010 Project ID: Textron Mansfield Login Number: h13-10-0408 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample _ identification Date Sampled Date Extracted Date Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID -- -- -- -- -- 100408-01 SYSTEM INF 10/13/93 10/15/93 10/18/93 1.0 < 1.0 100408-02 LGAC-21NF 10/13/93 10/15/93 10/18/93 1.0 < 1.0 1Q0408-03 SYSTEM EFF 10/13/93 10 15 93 10 188/W a EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH A3100408.DOC:4 GTEL ENVIRONMENTAL ® LASORAIORIES. INC. v I '0d 4s H El 6)fAISOJI00 0 PUB! 3lue0AO 00[09 0 [?PL CIMI OL 0ou 0 36ce Peal 0 olis 0 DILI SIRIOIN VYVO CD 0 VUDU n IVi 0 Juelnilod 411101id - WIM Vd] 0 WOH -1 IsOd 0 VOA-!WaS 0 VOA Cl SIUM dl01 CD 0 sappiqlati 11 Sapi0lls9d D slulOYY XOi d3 CTI 0 OIC9 13 M Vd3 El (SZ 0 SON 0 WDOIZO 0 lddM9 Vd3 0/1 -3- 0 (01 +) SON 0 IV.UOVZ9 0 ldd/M Vd3 Uj Aluo Sod (3 0909 El 809 Vd3 cc OZ09 V.3 17 E09 Vd3 0 0 108 Vdm, q 109 Vd3 Ll e Z09 Vd3 0 Vcog Vd3 C D t09 Aq dD9C1 Ei pog Aq 803 10" : I ----- -- - 01) 41) Ci �09 I'YW t'M di/Hdi :a 54 -- 0 E09 M-C] —Rtv 0 ITLb Maio PUB Ho FJ (SICIVY!q) 811101d U0qIB0VIP6H 0 BOWS f,3 JOS01.0 0 SED C11:110O SU0qm01PAH Z Z 0 3G1W Qm 0 Old/Old SuOqAeOOJPA SEDIXRO 0 -jolvi 411M ri ogoo c) y cc < w a: 11� 2!, '0 j > Z T Z Ir 1 0 ZD M ��, m + z 10 0- co z w 0 LU Cc AD 3; F- Ir 0 ul wa U) F- (3 --1 < aM -1 fr - U) D a z L0 Lf) 00 01:mw co I- Z m co d qch 0 0 CO LL F— W-jc)00 Is (0 OD Mai ui S Wm 0 0 0. U 41 Nl E z R 0 - 9 N IQ E f IL 0.2 t w d. f E z .2 E E T E to31WI 3VYII 7a E w w I r ir cc ---tT�—MdS) -4- 0 CD CL GRAHUM t t 361 Ln V f,() -- 'ONH 10H —F— +---W x H3HI0 wlCQ Q� m -t -6 0� .6 1 k I I 0 Z5 E IE .2 16 0 C3 0 El v o 2� w El w i0nG0Hd Suanis — — — — --UIV 1106 — -E -j 0 W (D 0 E 9 U) C v 0. cc 0 Cf) 0 GROUNDWATER TECHNOLOGY Groundwater Technology, Inc. District Office, 3 Edgewater Drive, Suite 301, Norwood, MA 02062 Tel: (617) 769-7602 Fax: (617)769-7785 LETTER OF TRANSMITTAL DATE: December 29, 1993 Via: U.S. Mail TO: USEPA -Region I ADDRESS 60 Westview Street CITY Lexington, MA 02173-3185 ATTENTION: Mr. David Tordoff # 04100-0434 We are sending you: x Herewith _ Under separate cover _ Prints _ Tracings _ Specifications _ Other NPDES Permit exclusion, monthly discharge monitoring report - November 1993. These are: (As checked below) _ Approved _ Not approved _ No exceptions _ Make corrections observed _ Revise and resubmit _ Return _ corrected copies _ For your approval For review and comment x Per your request _ For use on job _ For your files Remarks Please call me If you have any questions or comments. If enclosures received are not as listed above, please notify at once. copy: Mr. Robert M. Kane, Textron, Inc. Very truly yours, Mr. Gerard Marten, MA DEP GROUNDWATER TECHNO OGY Mr. Scott Leite. Mansfield Health Agent Mr. Dick Lewis. Mansfield Con. Comm. By FDIC. Asset #771545084 Robert H. Bird Senior Project Manager SJ29.40 Offices throughout the U.S, Canada and Overseas TABLE 1 Groundwater Treatment System Analytical Results Sampling Date: November 10, 1993 Former Gorham Silver Company 340 South Main Street Mansfield, Massachusetts Analytical Results Discharge Analyte Units LGAC 1 - Inf.' LGAC 2 - Inf.2 LGAC 2 - Eff.3 Limit 1,2-Dichloroethene (total)"'s pg/L 1,200 <1.0 <1.0 NA Ticchloroethene' pg/L 626 <1.0 <1.0 5 Tetrachloroethenes pg/L 5,400 1.6 <1.0 5 Benzenes Ng/L <0.5 <0.5 <0.5 5 Toluenes pg/L <1.0 <1.0 <1.0 NA. Ethylbenzenee Ng/L <1.0 <1.0 <1.0 NA Xylenes (total)" pg/L 2.5 <2.0 <2.0 NA Total STEXs pg/L - - - - - - - - - 100 Total Petroleum mg/L <1.0 <1.1 <1.1 5 Hydrocarbons' NOTES: ' LGAC 1 - Inf. = Influent to first liquid granular activated carbon (LGAC) adsorbtion unit. P LGAC 2 - Inf. = Influent to second liquid granular activated carbon adsorbtion unit. 3 LGAC 2 - Eff. = Effluent from second liquid granular activated carbon adsorbtion unit. r 1,2-Dichloroethene (total) = total of cis- and trans-1,2-Dichloroethene. 5 Laboratory analysis by EPA Method 601. s Laboratory analysis by Modified EPA Method 602. ' Xylenes (total) = total of xylene isomers. s Total BTEX = total of benzene, toluene, ethylbenzene and xylenes. ' Laboratory analysis by EPA Method 418.1. SJ29.40 ❑CI GROUNDWATER ❑❑ TECHNOLOGY GTE L E N V I R O N M E N T A L LABORATORIES. INC. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) November 24, 1993 Bob Bird Groundwater Technology, Inc. 3 Edgewater Drive, Suite 301 Norwood, MA 02062 1!Zxiiu .F Client Number. 043010010 Project ID: TEXTRON Login Number: M3-11-0308 Enclosed please find the analytical results for the samples received by GTEL Environmental Laboratories, Inc. on 11/11/93 under chain -of -custody record 57446. A formal Quality Assurance / Quality Control (QA/QC) program is maintained by GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, GTEL Environmental Laboratories, Inc. Us)a 1 a usan ler Laboratory Director GTEL Milford, NH K3110308.DOC:1 Client Number: 043010010 Project ID: TEXTRON Login Number: M3-11-0308 ITH MILWAIII[N\111111dx.Y11MK Aromatic Volatile Organics in Air Modified EPA Method T03a GTEL Sample Number 110308-04 Client Identification SVE BLOWER DISC. Date Sampled 11/10/93 Date Analyzed 11 /11 /93 -- -- -- Analyte Reporting Limit, ppmv I Concentration, ppmv Benzene 1.0 < 1.0 Toluene 1.0 < 1.0 -- -- -- Ethylbenzene 1.0 < 1.0 Xylenes (total) 3.0 < 3.0 -- -- -- Misc. Aliphatics (C1-Ct0)b 15 < 15 Misc. Aromatics (Cg_Ct0)c 10 < 10 - 1,1-Dichloroethene 2.0 < 2.0 trans-1,2-Dichloroethene 2.0 < 2.0 cis-1,2-Dichloroethene 2.0 < 2.0 -- -- 1,1-Dichloroethane 2.0 < 2.0 1,2-Dichloroethane 2.0 < 2.0 Methylene Chloride 2.0 < 2.0 Chlorobenzene 2.0 < 2.0 1,1,1-Trichloroethane 2.0 < 2.0 Trichloroethene 2.0 < 2.0 Tetrachloroethene 2.0 16 Reporting Limit Multiplierd 1 a "Method for the Determination of Volatile Organic Compounds in Ambient Air Using Cryogenic Precon- centration Techniques," Revision 1.0, US EPA April 1984. b Misc. Aliphatics (C1-Cl0)lsan estimated concentration basedon thesummation of all peakareas excluding Benzene within a defined retention time window, and calculated using the response factor of Hexane. c Misc. Aromatics is an estimated concentration based onthesummation ofall peakareas excluding o-Xylene within a defined retention time window, and calculated using the response factor of o-Xylene. d The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. GTEL Milford, NH GTE L K3110308.DOC:2 ENVIRONMENTAL Client Number: 043010010 Project ID: TEXTRON Login Number: M3-11-0308 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 110308-01 110308-02 110308-03 Client Identification SYS INF LGAC-2 INF SYS EFF Date Sampled 11/10/93 11/10/93 11/10/93 Date Analyzed 11/17/93d 11/17/93 11/16/93 Analyte Reporting Limit, ug/L Concentration, ug/L Dichlorodifluoromethane 1.0 < 1.0 < 1.0 Chloromethane 1.0 < 1.0 < 1.0 Vinyl Chloride 1.0 6.4 < 1.0 Bromomethane 1.0 < 1.0 < 1.0 Chloroethane 1.0 E1200c 1.2 < 1.0 Trichlorofluoromethane 1.0 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 1.0 < 1.0 Methylene Chloride 1.0 < 1.0 < 1.0 1,2-Dichloroethene total c 1.0 < 1.0 < 1.0 1,1-Dichloroethane 1.0 < 20 < 1.0 < 1.0 Chloroform 1.0 < 20 < 1.0 < 1.0 1,1,1-Trichloroethane - 1.0 < 20 < 1.0 < 1.0 - -- Carbon Tetrachloride 1.0 < 20 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 20 < 1.0 < 1.0 Trichloroethene 1.0 620 < 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 20 < 1.0 < 1.0 Bromodichloromethane 1.0 < 20 < 1.0 < 1.0 loroethylvinyl E[her E 1.0 < 20 < 1.0 < 1.0 rting Limit MuItiplierb 20d i 1 GTEL Milford, NH GTE L K3110308.DOC:3 ENVIRONMENTAL LABORATORIES. INC Client Number: 043010010 Project ID: TEXTRON Login Number: M3-11-0308 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 110308-01 110308-02 110308-03 Client Identification SYS INF LGAC-2 INF SYS EFF Date Sampled 11/10/93 11/10/93 11/10/93 Date Analyzed 11/17/93d 11/17/93 11/16/93 Analyte Reporting Limit, ug/L Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 20 < 1.0 < 1.0 trans-1,3-Dichloropropene 1.0 < 20 < 1.0 < 1.0 1, 1,2-Trichloroethane 1.0 < 20 < 1.0 < 1.0 Tetrachloroethene 1.0 5400d 1.6 < 1.0 Dibromochloromethane 1.0 < 20 < 1.0 < 1.0 Chlorobenzene 1.0 < 20 < 1.0 < 1.0 -- Bromoform 1.0 < 20 < 1.0 < 1.0 1,1,2,2-Tetrachloroethane 1.0 < 20 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 20 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 20 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 20 < 1.0 < 1.0 Reporting Limit Multiplierb 20d 1 1 a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. c 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. d Reporting limit multiplier for analyte noted = 100; Date Analyzed = 11 /17/93. GTEL Milford, NH GTE L K3110308.DOC:4 ENVIRONMENTAL LABORATORIES. INC GTEL Client ID: 043010010 ANALYTICAL RESULTS Login Number: M3110308 Volatile Organics Project ID (number): 043010010 Method: EPA 602 Project ID (name): TEXTRON Matrix: Aqueous KeporTing Analyte Limit Units Concentration Benzene 0.5 ug/L < 0.5 < 0.5 < 0.5 Toluene 1.0 ug/L < 1.0 < 1.0 < 1.0 Ethylbenzene 1.0 ug/L < 1.0 < 1.0 < 1.0 Xylenes (total) 2.0 ug/L 2.5 < 2.0 < 2.0 Notes: EPA 602: 'Test Procedures for Analysis of Organic Pollutants'. Code of Federal Regulations. 40CFIi Section 136: Appendix A. July 1992. Method modified to include additional compounds. GTEL Milford, NH M3110308:1 GTEL ENVIRONMENTAL LABORATORIES. INC Client Number: 043010010 Project ID: TEXTRON Login Number: M3-11-0308 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Identification Date Sampled Date Extracted Date I Analyzed Detection Limit, mg/L Concentration, mg/L GTEL No. Client ID __ __ 110308-01 SYSINF 11/10/93 11/16/93 11/18/93 1.0 < 1.0 110308-02 LGAC-2 EFF 11/10/93 11/16/93 11/18/93 1.1 < 1.1 110308-03 SYS EFF 11 10 93 11/16 93 11/18 93 1.1 < 1.1 EPA 600/4-79-020, March 1983 revision. GTEL Milford, NH GTE L K3110308.DOC:5 ENVRON ESNINO El a a r, m n w � m � D O ❑ ❑ ❑ ❑ 0 ➢ 2 v O C O O co m 0 m 3 m O 0 r m n o > > m V co _ w -n p3m 70 Q (D r w Q G r w) mom O r N Containers ATER AL UDGE �L a 3 OTHER 5 J, _y � �- HCI HNO3 ICE < 0 CL a w eNPRESERVED OTHER (SPECIFY) DATEEn TIME I m m W V'' BTEX/602 8020 ❑ with MTGE 0 Z 00 BTEXlGas Hydrocarbons PID/FID 0 with MTBE ❑ Hydrocarbons GC/FID Gas ❑ Diesel ❑ Screen ❑ Hydrocarbon Profile (SIMDIS) ❑ Oil and Grease 413.10 413.2 0 SM 503 ❑ �-' ')J 11:1 TPHIIR 418.1 YSM 503 ❑ r o Q m FOB by 504 0 DBCP by 504 ❑ O D EPA 503.1 0 EPA 502.2 ❑ m O W 'J- CAt (s) EPA 601 IYEPA 8010 ❑ EPA 602 0 EPA 8020 ❑ r 0 EPA 608 118080 0 PCB only ❑ -- a EPA 6241PPL 0 8240/TAL 0 NBS (+ 15) 0 EPA 625IPPL 0 82701TAL 0 NBS (+25) ❑ EPA 610 0 8310 ❑ -. EP TOX Metals O Pesticides 0 Herbicides ❑ ' TCLP Metals 0 VOA 0 Semi -VOA 0 Pest 0 Herb 0 o EPA Metals - Priority Pollutant 0 TAIL O RCHA ❑ CAM Metals TTLC 0 STLC ❑ Lead 239.2 0 200.7 0 7420 0 74210 6010 0 r 0 0 »' Organic Lead 0 0 Corrosivity 0 Flash Point ❑ Reactivity 0 C-P TO-3 VoLlttu,�5 f lltl eo c�jaEr�c4J5 GTEL Client ID: 043010010 Login Number: M3060071 Project ID (number): 043010110 Project ID (name): TEXTRON/MANSFIELD ANALYTICAL RESULTS Reporting Analyte Limit Units Concentration: Method: EPA 602 Purgeable Organics Benzene 0,2 ug/L <2.0 <0',2 <0,2 Toluene 0.5 ug/L <5.0 <0.5 <0.5 EthylBenzene 0.8 ug/L <8.0 <0.8 <D.8 Xylenes (total) 1.7 ug/L <17. <1.7 <1.7 BTEX (total) ug/L Notes EPA 602: Federal Register. Vol we 49. October 26. 1984. M3060071-01: The sample was diluted due to high concentrations of non -target compounds, GTEL ENVIRONMENTAL LABORATORIES, INC. Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-06-0071 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601 a GTEL Sample Number 060071-01 060071-02 060071-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 06/02/93 06/02/93 06/02/93 Date Analyzed 06/13/93 06/13/93 06/12/93d Analyte Reportin Limit, ug%L Concentration, ug/L Dichlorodifluoromethane 1.0 < 500 < 1.0 < 1.0 Chloromethane 1.0 < 500 < 1.0 < 1.0 Vinyl Chloride 1.0 < 500 4.1 < 1.0 Bromomethane 5.0 < 2500 < 5.0 < 5.0 Chloroethane 1.0 < 500 1.6 < 1.0 Trichlorofluoromethane 1.0 < 500 < 1.0 < 1.0 1,1-Dichloroethene 1.0 < 500 < 1.0 < 1.0 Methylene Chloride 1.0 < 500 < 1.0 < 1.0 1,2-Dichloroethene total c 1.0 < 500 < 1.0 < 1.0 1,1-Dichloroethane 1.0 < 500 < 1.0 < 1.0 Chloroform 1.0 < 500 < 1.0 < 1.0 1,1,1-Trichloroethane 1.0 < 500 < 1.0 < 1.0 Carbon Tetrachloride 1.0 < 500 < 1.0 < 1.0 1,2-Dichloroethane 1.0 < 500 < 1.0 < 1.0 Trichloroethene 1.0 830 < 1.0 < 1.0 1,2-Dichloro ro ane 1.0 < 500 < 1.0 < 1.0 Bromodichioromethane 1.0 < 500 < 1.0 < 1.0 2-Chloroeth (vinyl Ether 1.0 < 500 < 1.0 < 1.0 Reporting Limit Multiplierb 500 1 1d GTEL Milford, NH GTE L J3060071.DOC:2 E V k 0 N ESN INC. Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-06-0071 ANALYTICAL RESULTS Purgeable Halocarbons in Water Modified EPA Method 601a GTEL Sample Number 060071-01 060071-02 060071-03 Client Identification SYSTEM INF LGAC-2 INF SYSTEM EFF Date Sampled 06/02/93 06/02/93 06/02/93 Date Analyzed 06/13/93 06/13/93 06/12/93d Analyte Reporting Limit, ug/L Concentration, ug/L cis-1,3-Dichloropropene 1.0 < 500 < 1.0 1 < 1.0 - trans-1,3-Dichloropropene 1.0 -<500 < 1.0 < 1.0 1,1,2-Trichloroethane 1.0 < 500 < 1.0 < 1.0 Tetrachloroethene 1.0 23000 < 1.0 < 1.0 Dibromochloromethane 1.0 < 500 < 1.0 < 1.0 Chlorobenzene 1.0 < 500 < 1.0 < 1.0 Bromoform 1.0 < 500 < 1.0 < 1.Od 1,1,2,2-Tetrachloroethane 1.0 < 500 < 1.0 < 1.0 1,3-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 1,4-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 1,2-Dichlorobenzene 1.0 < 500 < 1.0 < 1.0 Reporting Limit Multiplierb 500 1 1d a Federal Register, Vol. 49, October 26, 1984. b The reporting limit multiplier indicates the adjustments made to the data and reporting limits for sample dilutions. c 1,2-Dichloroethene (total) is the sum of both cis- and trans- isomers. d Detection Limit Multiplier for analyte noted = 1, Date Analyzed = 06/15/93. GTEL Milford, NH GTE L J3060071. DOC:3 ENVIRONMENTAL N INC. Client Number: 043010010 Project ID: Textron/Mansfield Login Number: M3-06-0071 ANALYTICAL RESULTS Total Recoverable Petroleum Hydrocarbons in Water by Infrared Spectrometry EPA Method 418.1a Sample Identification GTEL No. Date Sampled p Date EMracted Date Analyzed Detection Concentration, Client ID -- Limit, m L g/ mg/L 060071-01 SYSTEM INF 06/02/93 06/07/93 060071-02 LGAC-21NF 93 02 06 / / O6/07/93 06/08/93 0.52 < 0.52 060071-03 SYSTEM EFF 06 02 93 06 07 93 06/08/93 0.52 < 0.52 a EPA 600/4-79-020, March 1983 revision. 06 OS 93 0.53 < 0.53 GTEL Milford, NH J3060071.DOC:12 11 GTE L ENVIRONMENTAL LABORATORIES, INO. C m�-y.a= m m o El^ N 'm m `G Q N 4 A l J � a O m O \ ❑ ❑❑❑ _ o c a s 3 m c c 0 O m m n n n < o w v Q m " W a m ,L _N 71 6(D 3 Q (D mi k Containers \TER r ,IL 1 m UDGE n X HCI HNO, 'a HzSO, y M ICE UNPRESERVED OTH Q.C' (Sp ER cl y( DATE y 3 � K: oo�m rrn00 m 4 _ cu co Z fll cn=0 1" r 00 O V �o V CIIt � V D r x � TIME m Np D' \ In 5 (a 1A To y J BTEX/602 Q�8020 ❑ with MTBE ❑ _ co BTEX/Gas Hydrocarbons PID/FID ❑with MTBE ❑ 'Y O 1 Hydrocarbons GC/FID Gas ❑ Dieselp Screen ❑ 2 a 1 Hydrocarbon Profile (SIMDIS) ❑ a Oil and Grease 413.10 413,2 p SM 503 ❑ r ? f r TPH/IR 418.1 M 503 D :. y oC D EDB by 504 ❑ DBCP by 504 ❑ O' N C) O �r- EPA 503.1 O EPA 502,2 ❑ �. Q .2 EPA 601 &EPA 8010 E] tl�\j 31 ,cr,. ^D EPA 602 O EPA 8020 ❑ r «f � to EPA 608 p 8080 B only p O PC O R` EPA 624/PPL D 8240/IAL D NBS (+15) D _ Z . Z EPA 625/PPL p 8270rrAL p NBS (+25) ❑ EPA 610p 8310❑ p r CIO t^ EP TOX Metals ❑Pesticides ❑Herbicides ❑ ; co TCLP Metals D VOA p Semi -VOA D Pest D Herb ❑ r ro- N O D EPA Metal. Priority Pollutant p TAL p RCRA ❑ O a CAM Meta TTLC D STLC ❑ V w Lead 239.2 O 200.7 O 7420 p 7421 D 6010 L] ( p� ti Organic Lead ❑ (rr Corrosivity ❑ Flash Point ❑ Reactivity ❑ R (�0-b< Commonwealth of Massachusetts Executive Office of Environmental Affairs Department of Environmental Protection Southeast Regional Office William F. Weld Governor Daniel S. Greenbaum Commissioner Textron, Inc. 40 Westminster Street Providence, Rhode Island 02903 ATTENTION: Andrew C. Spacone, Esq. Gentlemen: March 3, 1993 RE: MANSFIELD--WSC/SA-4-0955 Fmr. Gorham Silver Co. 26 Edgewood Street/S. Main Street ('the "Site"), Approval of Additional Short Term Measures, M.G.L. c. 21E, 310 CMR 40.000 The Department of Environmental Protection, Bureau of Waste Site Cleanup (the "Department"), has reviewed a proposal for additional short term measures at the Site submitted on your behalf (as used in this letter "you" and "your" refer to Textron, Inc.) by Groundwater Technology, Inc. in a document dated January 5, 1993 and titled: n WORK PLAN FOR ADDITIONAL SHORT TERM MEASURE TASKS DEP SITE NO.4-0955 340 SOUTH MAIN STREET MANSFIELD, MASSACHUSETTS " The proposal for additional short term measures includes plans to assess levels of volatile organic compounds in surface waters, in groundwater and in indoor air at the Site, and a schedule. This assessment aims to further characterize groundwater, surface water and indoor air contamination and to determine whether additional short term measures are warranted. The Department approves the proposal for additional short term measures. You should be aware that these additional short term measures do not relieve you from undertaking a full Phase II - Comprehensive Site Assessment. However the work you carry out in the course of these short term measures may contribute significantly towards the assessment of the Site and a permanent solution to the Site. Lakeville Hospital • Route 105 9 Lakeville, Massachusetts 02347 0 FAX (508) 947.6557 • Telephone (508) 946.2700 CPM Your cooperation in this matter is appreciated. Should you have any further questions regarding site WSC/SA-4-0955, please contact Marcel V. Boelitz of this office at (508) 946-2868. Very truly yours, Gregg M. H nt, Acting Regional Engineer Bureau of Waste Site Cleanup H/MVB/rr CERTIFIED MAIL #P011 215 475 RETURN RECEIPT REQUESTED cc: Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 ATTN: William Sarro, Chairman William F. Williams, Town Manager (508) 261-7372 Board of Health Town Hall 50 West Street Mansfield, MA 02048 ATTN: Michael VanSplinter, Chairman Scott Leite, Agent (508) 261-7366 Conservation Commission Town Hall 50 West Street Mansfield, MA 02048 ATTN: Marilyn Powers, Richard Lewis, (508) 261-7378 Chairperson agent Mansfield Fire Department 291 N. Main Street Mansfield, MA 02048 ATTN: Chief Edward Sliney Lt. Sarro, Fire Prevention (508) 261-7320 -3- cc: Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: Kilburn Childs, Vice President Curhan Kunian Goshko Burwick & Savrann 100 Charles River Plaza Boston, MA 02114 ATTN: Daniel A. Shapiro, Esq. Textron, Inc. 40 Westminster Street Providence, RI 02903 ATTN: Andrew C. Sparone, Esq. Robert C. Brayley Guaranty -First Trust Company 159 Overland Road Waltham, MA 02254 ATTN: William A. Yetman DEP - BWSC - Boston DEP - SERO Data Entry Lawrence Experiment Station 37 Shattuck Street Lawrence, MA 01843 ATTN: T. McGrath, DAQC (508) 9075-1138 TOWN OF MANSFIELD) MASSACHUSETTS 50 West Street, Mansfield, MA 02048 FAX COVER SHEET Date j Time ✓✓ �2 From: Town of Mansfield Phone: (508) 261-7366 50 West Street Mansfield, MA 02048 Fax: (508) 2 6 1 - 7343 Name: Board of Health To: Type of Form _ No. of Pages (including cover sheet) If you do not receive all of the above copies, please contact' sender. Message: LEST TO MARK WERT August 20, 1993 Mr. & Mrs. Michael McSheffrey 1 Leonard Circle Mansfield, MA 02048 Mr'. & Mrs. Mark Bowes 3 Leonard Circle Mr'. & Mrs. Timothy Hernon 4 Leonard Circle Mr. & Mrs. Gary Belastock 7 Leonard Circle Mr. & Mrs. Basil Veglas 8 Leonard Circle Mr. & Mrs. Kenneth Junkins 19 Leonard St. Anne Donegan 28 Leonard St. Mr. & Mrs. Theodore Chingris 29 Leonard St. Mr'. & Mrs. Nicholas Zucchero 355 Willow St. Mr. & Mrs. Stephen Penesis 368 Willow St. Mr. Hubert Buote 15 Bellview Drive Board of Health Town of Mansfield , LOi_.a.' liil'I Page_ F' e. =. u l t C e.%}:: : f Groundwater Technology, Inc., District Office 3 Edgewater Drive, Suite 301,Norwood, MA 02062 USA Tel: (617) 769-7602 Telex 92-8420 Fax: (617) 769-7785 RobertH. Bird Senior Project Manager a� TEOC NH OLOGYR Questions & Answers Former Gorham Silver Plant December 1993 Mansfield, Massachusetts TOWN OF MANSFIELD BOARD OF HEALTH This information sheet provides answers to questions the public may have regarding upcoming Short -Term Measures (STM) investigations to be performed by Textron Inc. and Groundwater Technology at the Former Gorham Silver Plant. These questions are a supplement to the information provided in Fact Sheet No. 1. Fact Sheet No. 1 should be consulted for more general information on the site and the ongoing cleanup activities. These questions and answers will be updated periodically over the course of the project. Why is the Board of Health involved in the Former Gorham Silver Plant site? The Board of Health has been involved with the site because: (1) the Board is responsible for ensuring the safety of water supply wells, and (2) the Board is generally concerned with all issues that could impact public health within the Town. In the past the Board has acted as a facilitator for sampling on residential property related to the site. The Board will continue its involvement as the investigations and cleanup efforts at the Former Gorham Silver Plant site progress. What was the initial source of the contamination and when did it occur? The VOCs found in the groundwater are commonly used for cleaning metal or are produced by the natural breakdown of such compounds. The contamination could have resulted from the disposal of waste cleaning liquid, leaking tanks or pipes, or from a spill, but the specific source of the contamination is not known and may never be known. The Gorham Silver plant operated from approximately 1909 through 1985, but the exact time of when the VOCs may have been released to the environment is also not known. Who makes the decisions regarding where samples are collected and how those decisions made? Groundwater Technology and Textron propose sampling plans based on Massachusetts Department of Environmental Protection (MADEP) regulations and professional judgement: MADEP then has the power to approve or modify the plans. The plans are available to the Mansfield Board of Health and the public for review at the Health Department. ICAMWEY ON\CRQa MD Q&A: Former Gorham Silver Plant, Mansfield Can I trust the results from sampling done by those who are potentially responsible for the cost of any cleanup? Are the people in charge of this work qualified? All of the site -related reports will be reviewed by MADEP before they are made public. Groundwater Technology and its laboratory, GTEL, are large nation-wide firms that perform environmental studies for both government and industry. As its name implies, Groundwater Technology has extensive experience in investigating and cleaning up sites with groundwater contamination. Groundwater Technology staff have also been employed by MADEP to assist in the rewriting regulations that govern environmental cleanup at hazardous waste sites. What specific chemicals have been found in the neighborhood and what are the health impacts if there are any exposures? The volatile organic compounds found in groundwater to the west of the former plant are listed in the table below with their corresponding drinking water standards (which are set by MADEP). The concentrations previously detected in private wells range from tenths of a part per billion to several parts per million. Only those compounds marked with an asterisk N were detected above the drinking water standards. Some of these compounds have been shown to cause cancer in animals and therefore the drinking water standards have been set very low to ensure the protection of human health even over a lifetime of exposure. Compound Drinking Water Standard (ppb) 1,1-Dichloroethene 7 cis-1,2-Dichloroethene' 70 trans-1,2-Dichloroethene 100 Tetrachloroethylene 5 1,1,1-Trichloroethane 200 Trichloroethene' 5 Vinyl Chloride 2 ppb = parts per billion Are residents being exposed to these compounds? If so, where and for how long? Because the compounds are dissolved in the groundwater 3-11 feet below the surface, there are only 2 ways residents can come into contact with the VOCs: (1) by pumping the groundwater up to the surface with private welts, or (2) if the compounds evaporate from the groundwater and travel upward into a building through pores in the soil and cracks in the building's foundation. The compounds could also travel directly from the soil into the outdoor air. In the n:\M\rs=oMU\Qs M . Q&A: Former Gorham Silver Plant, Mansfield outdoor air, however, they would quickly disperse in the wind rather than accumulate. If homeowners who have received notices from the Board of Health are refraining from using their wells, then the first route of exposure is closed. The STM work to be performed over the next six months is designed to evaluate whether the second potential route of exposure could lead to a potential health risk. Note that many of these compounds are already present in household products such as water repellents, spot removers, paints, and paint removers. Therefore, some exposure to these and other VOCs is typical in a modern household. How many properties are affected? VOCs were found in 10 of 18 private wells sampled in 1991. Some VOCs were found in the air in 7 houses tested that were located downgradient of the plant. Some of these VOCs were also found in the air of two other houses that are not directly downgradient of the plant. MADEP determined that the levels of VOCs found in indoor air were not a cause for concern. At this time we do not know whether the VOCs in the indoor air originated from the plant, or whether they evaporated from common household products that contain such compounds. The upcoming STM study will help clarify this question by evaluating whether the concentrations found in groundwater could realistically produce significant concentrations inside of a building. How long will it take to get the lab results and when/how will residents be notified? Lab results from the monitoring wells and private well sampling should be available by Spring 1994. Residents who have their wells sampled will be notified of the results by letter from the Board of Health as soon as the data are available. Of what good are these studies to residents in the neighborhood? The upcoming STM work is specifically designed to evaluate potential threats to the health of residents living west of the plant. Thus, the benefit from these studies is the assurance that, once the work is complete, the site will pose no threat to them and their families. What will be done if the groundwater is causing a problem in my home? How long will it take to respond to the problem? The concentrations found in groundwater sampled during the STM study will be compared to conservative standards for long-term exposure calculated from the most up-to-date chemical information from the U.S. Environmental Protection Agency. If the concentrations exceed the standards, then air sampling will be performed to determine directly whether VOCs have entered any nearby buildings. If VOC levels are found that exceed standards protective of human health, then Textron will install a venting system which will remove the VOCs from the soil beneath basement of the house and release them above the roof level, Such systems are similar to those used to control KAM\'IH)(, OMMQ&AIXp Q&A: Former Gorham Silver Plant, Mansfield radon and are relatively quick and simple to install. Textron will offer to install the system at the time the concentrations have been confirmed and reported to the residents. What should I do if I think I or my family have been exposed to the contamination? Short-term exposure to these compounds through, for example, contact with groundwater, does not necessarily indicate that a person has been or will be harmed. However, the potential risk posed by the groundwater has not yet been evaluated. The standards to be used in the STM study and the Phase II to evaluate potential risk will be calculated according to MADEP approved methods to ensure that they are protective of human health. These studies will help determine what the risks might be from contact with the groundwater. Based on the results, persons who have contacted the contaminated groundwater may wish to seek medical tests for potential health affects. I there anything residents should be doing, or should not be doing to reduce the risk of exposure? The best way for residents to reduce their risk of exposure to the VOCs is to avoid contact with contaminated groundwater by complying with any Board of Health directive that they may have received to cease usage of their private wells. Are there any safe uses for the water from wells that have shown contamination in the past? The Board of Health is concerned with the potential for exposure to VOCs in the groundwater for several reasons: VOCs can enter a person's body from the groundwater through the skin as well as through drinking the water. As the Board has stated in past correspondence with residents, a water supply line such as a lawn sprinkler, a hose bibb, or a garden hose is generally considered by children and adults alike to be safe and potable water. It is possible that concentrations on some properties could have increased to levels higher than those previously measured. For these reasons, the. Board discourages use of private wells that have been shown to contain VOCs. R,w.\TExoN\cawsAan Q&A: Former Gorham Silver Plant, Mansfield Will the groundwater contamination cause my property to lose value? Can I sell or rent my house? Am I obligated to inform anyone renting or buying my property about the existence of the contamination? Property values are influenced by a combination of many factors including the number of properties for sale at a given time, the condition and location of a particular piece of property, the local and regional economy, and interest rates among others. Predicting what impact, if any, groundwater contamination would have on property values would be extremely difficult. The fact a public water supply is available and the concentrations of any VOCs in the groundwater are likely to decrease will tend to minimize any potential impact on property values. Please be aware, however, that neither the Board of Health or Textron are qualified to assess property values or to provide advice on property transactions or other related agreements. If I received a Board of Health directive to cease use of my well or if I receive one in the future, when will I be able to use my well again? VOC concentrations are likely to decrease over time due to dilution and the cleanup efforts now underway on the former plant property. In the future, concentrations may decrease to levels that will allow the wells to be safely used again, although we do not now have enough information about the groundwater to predict when safe levels might be reached. The cleanup activities currently underway at the former plant will promote a reduction in groundwater concentrations over time because these activities will remove the source of the contamination. What will be done to clean up the contaminated groundwater? Will it require locating treatment systems in the neighborhood? A number of technologies currently exist to clean up contaminated groundwater. The decision on whether to cleanup the groundwater will be made by MADEP based on State law and the potential risk to human health and the environment posed by the contamination. We cannot predict whether a cleanup will be necessary until the Phase It study is complete. Only after the Phase II is complete would work begin on the method of cleanup, if cleanup is required. If the contamination is moving, how fast is it moving, where will it eventually go, and what will happen to it? Because we do not know when the VOCs were spilled into the environment, we do not have a good estimate of how fast the plume of contamination is moving. The STM and Phase II studies will collect information about the groundwater flow in the area that will allow such estimates to be made. Until these studies are complete, we cannot estimate how far the plume might travel. R\ A\18xIROMCR\Q& = Q&A: Former Gorham Silver Plant, Mansfield 5 Why has it taken so long to address this problem? The contamination was first discovered in 1990, when the plant property was owned by a bank. Textron did not take charge of the investigations until 1992. Cleanup on the old plant property began in that same year. The cleanup systems that are now in operation at the plant are designed to prevent the further spread of contamination away from the plant by treating the source of the contamination that exists on the plant property. Careful and detailed study is required to ensure that cleanup efforts will be effective and that site investigations will identify all of the contamination. Additional time is also required for MADEP review and approval of the work. Why should a resident permit testing of their private well or air inside their home? The purpose of the STM study is to ensure that the health of the residents is protected. It is therefore in the interest of the residents and their families to cooperate with the study. Residents can be assured that the tests will be performed by qualified technicians and that there will be no cost to the homeowner for the testing. I had my well tested by a supplier of water filter systems and they said the water was fine. Why are you still preventing me from using my well? Standard water tests do not usually include analyses for the VOCs found at this site. You should bring your lab results to the Health Agent for evaluation. I want to sell my property, how can I tell now whether my property has been impacted by the contamination? The maps from previous studies available from the Health Agent could be used to provide a very rough estimate of what properties may be impacted. The STM and Phase II reports will define the extent of the contamination more clearly. Because of the uncertainty involved in environmental assessments, neither the Board of Health, Textron, or Groundwater Technology can guarantee that a particular piece of property is free of contamination. My basement is regularly flooded -- is there any danger if the groundwater is contaminated? Any potential risk would depend on the duration of the flooding and the concentration of the VOCs in groundwater on your particular property. Additional sampling may be required in your house to determine whether significant concentrations of VOCs could develop. You should report the flooding to the Health Agent. 2AM\1bTTAOMMQ&AMo Q&A: Former Gorham Silver Plant, Mansfield 6 tyre the concentrations found in the neighborhood increasing? (i.e. is the problem getting worse or better with time?) The round of sampling to be conducted during the STM study will help determine whether the trend in concentration is upward or downward in particular areas. At this time we do not have enough information to make a judgement for the site. Why is Textron voluntarily funding the STM study? State law defines potential responsibility broadly even for contamination that happened many years in the past. As the former owner of the Gorham Silver plant, MADEP has identified Textron as potentially responsible for the contamination even though the exact source and dates of the release of the VOCs have not been specified. KAMXTWFRON\CR\Q&A0 - Q&A: Former Gorham Silver Plant, Mansfield 7 �N,pNSF/F Fact Sheet No. 1 December 1993 9 ` Former Gorham Silver Company Site q F14S"°s IN 340 South Main Street, Mansfield, Massachusetts TON \N New Groundwater Study to Begin at Former Silver Plant in approximately one month a new environmental study will begin in the residential neighborhood west of the former Gorham Silver plant. The investigation will determine if volatile organic compounds (VOCs) dissolved in groundwater have migrated off of the site, and if so, at what levels. Field work for the study will consist of temporary well drilling and groundwater sampling, sampling of water from selected private wells, and sampling of water from a nearby pond and stream. This fact sheet provides a brief overview of the site and the upcoming work. Additional information may be obtained from the Town of Mansfield Health Agent. This investigation is one part of a Short -Term Measures (STM) program at the facility intended to ensure that public health and the environment are protected. The type of work to be performed is common to investigations of pob'sible groundwater contamination and does not necessarily indicate that public health has been impacted by the site. The STM program is itself part of a comprehensive environmental investigation and cleanup program required by State law (M.G.L. c.21E): The study will be conducted by Groundwater Technology, Inc. of Norwood, Massachusetts. Groundwater Technology is a large nation-wide environmental consulting firm with exten- sive experience at cleaning up VOCs in groundwater and soil. The Massachusetts Department of Environmental Protection (DEP) has approved the new study and will review the final results. The data from the STM work will aide in planning a more detailed study known as a Phase II Comprehensive Site Investigation. The Phase II investigation will determine wheth- er or not further cleanup is needed at the site based on DEP requirements. Site Background The plant was used for silver plating from the 1940s to 1985, first by Standard Metal Company until 1969 and then by Gorham Silver, Inc. The one-story building located on the plant property is now vacant. Groundwater at the facility is found between 3 and 11 feel beneath the surface. Ground- water flows west toward an unnamed brook and neighboring wetlands. In 1990 VOCs were found in groundwater at the former plant site. The compounds found are commonly used for degreasing metals and as solvents. The exact source of the contamination, however, is not known. Studies in 1991 found detectable concentrations of these VOCs in private wells west of the plant. These wells are not believed to have been used for drinking water; residents near the plant obtain their drink- ing water from the public water supply system. The Mansfield Board of Health has prohibited the use of wells where signif- icant concentrations of these compounds have been found. The. Board took this step to prevent the potential exposure of residents to these chemicals and because pumping of private wells could increase the spread of the contamination. Cleanup Work To Date In 1992 Groundwater Technology began cleanup opera- tion on the former plant property. The objectives of the clean- up effort are: (1) to remove the VOCs from the soil, and (2) treat the most heavily contaminated groundwater at the plant to prevent it from spreading further westward. The impact of this effort will be to reduce the levels of any VOCs in ground- water west of the plant by removing the source of the contam- ination. The soils are being cleaned with a Soil Vapor Extraction (SVE) and Air Sparging system. The results to date from this effort show that this system has been effective. The SVE system uses a blower to create a vacuum in several wells and draw air up through the soils. As a result of this process, VOCs evaporate off of the soils and into the air between soil particles (known as soil gas). They are then drawn upward through the well and into a carbon filter. The SVE system effectively cleans soils above the water table, but is not effec- tive where the soils are completely saturated with water (i.e. below the water table). Sparging is a technology that can Former Gorham Silver Company Site, Mansfield, Massachusetts 1 Figure 1: Proposed Groundwater Sampling Wells J W 3 h 0H � (n y G d � w o m 0 133 3 Z U d' O � (v ® W a o � s � y ' ` o 3 \ X \\ 2 Mansfield Board of Health: Fact Sheet No. 1 remove volatile compounds from soils below the water table. Sparging also can capture some of the VOCs dissolved in the groundwater. Sparging is the injection of air into the soils below the water table. VOCs in this soil evaporate readily into the injected air and are carried upward into the soil above the water table where they are then swept into the SVE system. VOCs in groundwater at the facility are being captured through 3 pumping wells. The groundwater is also fed though carbon filters which trap the VOCs. The clean water is then discharged to the storm drain system underneath Leonard Street in accordance with a permit issued by the U.S. Envi- ronmental Protection Agency. These treatment systems are likely to operate until fur- thers studies are complete and a permanent cleanup plan is chosen for the site by DEP. Upcoming Fieldwork Groundwater Sampling. Twenty-three temporary wells will be installed at the approximate locations shown in Figure 1. Most of the wells will be installed in public road- ways. No disturbance of private property should be required except for two wells that will be placed on private lots. The owners of these properties will be contacted individually to obtain permission for this work. A truck -mounted apparatus will be used to install the temporary wells. One groundwater sample will be taken from each well. After the sampling, the well will be removed and the small hole will be filled and abandoned so as to leave no permanent structure in the roadway. The drilling will be per- formed under the supervision of Groundwater Technology. The samples will be analyzed in a Groundwater Technol- ogy laboratory using methods that can detect VOCs at con- centrations as low as 1 part per billion. Residential Well Sampling. Ten private wells will be sampled by Groundwater Technology. Groundwater Technol- ogy will contact individual home owners to schedule this work. Pond Water Sampling. Three samples of water will be taken from the unnamed pond and stream to be analyzed for VOCs. Data Review The data produced by this study will be evaluated by Groundwater Technology, the Mansfield Board of Health, and DEP to determine whether any further study or remediation is needed. The results will also show how far the VOCs have traveled from the plant property. DEP will make the final decision on whether any additional short-term cleanup mea- sures need to be taken or whether further sampling needs to be conducted. Project Schedule Well installation is scheduled to begin in January 1994. Sampling of the pond will also be conducted in January. Temporary well installation and sampling on private property will be scheduled with each property owner during December. All field work should be complete by June 1994. The final report should be available in the Health Department by August. Future Studies The Phase II Comprehensive Site Assessment, if needed, is expected to begin in late 1994 pending approval of the workplan by DEP. For More Information Although we have tried to provide the information we believe of greatest interest to the public, we recog- nize that this brief fact sheet cannot cover all of the information generated by the site investigation or an- swer every question that the public may have. There- fore, if you have additional questions regarding the site you may call or write the Mansfield Town Health Agent at the address and phone number given below. All reports on the site are also available for public review at the Health Department during the hours listed below. Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 (508)261-7366 HOURS: Monday - Friday 8 a.m. - 5 p.m. Former Gorham Silver Company Site, Mansfield, Massachusetts 3 Mailing List Additions The Board of Health has distributed this fact sheet to those believed to be most interested in the . site. If you know of another person or organization that would like to be placed on the mailing list to receive future mailings on the site, please complete this form and mail it to: Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 (508) 261-7366 ZMiIM ITSUM Affiliation: Phone: Former Gorham Silver Plant Site Mansfield Board of Health Town Hall 50 West Street Mansfield, MA 02048 Forwarding and Address Correction Requested ~TpwN Inside: Former Gorham Silver Plant Site Fact Sheet No. 1 fl W A1iEKlfldAtP�F W I. W 3 Mailing List Additions The Board of Health has distributed this fact sheet to those believed to be most interested in the site. If you know of another person or organization that would like to be placed on the mailing list to receive future mailings on the site, please complete this form and mail it to: Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 (508) 261-7366 Name: g11OA 11 AA1 L' • 70TA C40-Yf4;e%' A COR[ ilr Address:' 209' r, /7At,J JM 194914rFiEAD /nA t"201/4t Affiliation: 0111A14"f of /or e" %?•g AC�E.fPhone: W397 9 Former Gorham Silver Plant Site ff CRoxx �r7vxdrT FAwl �r7 rx oAl Of 6✓F7.-4A.db.r 9- eIA14 f919tb eRook ARR" efW Ai:'WR IAR7T" 0,F MR P1YOP -Y, 771, ', 'PR0��7Py, XAF /✓o �'Xi�r'.7,,A/G tV�2'"44J' OA/ Mansfield Board of Health ��ANSfj� pEC,NCI ��30 Town Hall 50 West.Street Mansfield, MA 02048 90, .4 •SAS AO�`'..1 Forwarding and Address Correction Requested M W N /'9AN J'f;,coca, 70' TC07"7" �I.C/7' r 7,11VA/ 4,ZI/7W 4eX* '7C41A/. NA14. , .f D C✓GJ'7 �1`T. 41 AN,('7t=�k Ct7, / IA 0-2 0VS Inside: Former Gorham Silver Plant Site Fact Sheet No. 1 fl UU\iEIRPQ`fCMF50�4St 0, _`r6lo)my Mailing List Additions The Board of Health has distributed this fact sheet to those believed to be most interested in the site. If you know of another person or organization that would like to be placed on the mailing list to receive future mailings on the site, please complete this form and mail it to: Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 (508) 261-7366 Name: Address: § C- iE N' a � Affiliation: Former Gorham Silver Plant Site Mansfield Board of Health Town Hall 50 West Street Mansfield, MA 02048 Forwarding and Address Correction Requested Inside: Former Gorham Silver Plant Site Fact Sheet No. I Phone: _ U-§ .S s r" Y>— G n+�avex.xoxcxrsoi wx remove volatile compounds from soils below the water table. Sparging also can capture some of the VOCs dissolved in the groundwater. Sparging is the injection of air into the soils below the water table. VOCs in this soil evaporate readily into the injected air and are carried upward into the soil above the water table where they are then swept into the SVE system. VOCs in groundwater at the facility are being captured through 3 pumping wells. The groundwater is also fed though carbon filters which trap the VOCs. The clean water is then discharged to the storm drain system underneath Leonard Street in accordance with a permit issued by the U.S. Envi- ronmental Protection Agency. These treatment systems are likely to operate until fur- thers studies are complete and a permanent cleanup plan is chosen for the site by DEP. Upcoming Fieldwork Groundwater Sampling. Twenty-three temporary wells will be installed at the approximate locations shown in Figure 1. Most of the wells will be installed in public road- ways. No disturbance of private property should be required except for two wells that will be placed on private lots. The owners of these properties will be contacted individually to obtain permission for this work. A truck -mounted apparatus will be used to install the temporary wells. One groundwater sample will be taken from each well. After the sampling, the well will be removed and the small hole will be filled and abandoned so as to leave no permanent structure in the roadway. The drilling will be per- formed under the supervision of Groundwater Technology. The samples will be analyzed in a Groundwater Technol- ogy laboratory using methods that can detect VOCs at con- centrations as low as 1 part per billion. Residential Well Sampling. Ten private wells will be sampled by Groundwater Technology. Groundwater Technol- ogy will contact individual home owners to schedule this work. Pond Water Sampling. Three samples of water will be taken from the unnamed pond and stream to be analyzed for VOCs. Data Review The data produced by this study will be evaluated by Groundwater Technology, the Mansfield Board of Health, and. DEP to determine whether any further study or remediation is needed. The results will also show how far the VOCs have traveled from the plant property. DEP will make the final decision on whether any additional short-term cleanup mea- sures need to be taken or whether further sampling needs to be conducted. Project Schedule Well installation is scheduled to begin in January 1994. Sampling of the pond will also be conducted in January. Temporary well installation and sampling on private property will be scheduled with each property owner during December. All field work should be complete by June 1994. The final report should be available in the Health Department by August. Future Studies The Phase II Comprehensive Site Assessment, if needed, is expected to begin in late 1994 pending approval of the workplan by DEP. For More Information Although we have tried to provide the information we believe of greatest interest to the public, we recog- nize that this brief fact sheet cannot cover all of the information generated by the site investigation or an- swer every question that the public may have. There- fore, if you have additional questions regarding the site you may call or write the Mansfield Town Health Agent at the address and phone number given below. All reports on the site are also available for public review at the Health Department during the hours listed below. Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 (508) 261-7366 HOURS: Monday - Friday 8 a.m. - 5 p.m. Former Gorham Silver Company Site, Mansfield, Massachusetts 3 Robert & Diane E. Martin Lawrence Jackson Michael J. & Linda McSheffrey 10 Barbara Road 357 Willow Street 1 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 David & Donna Curelop Mildred Joseph Mark E. & Colleen A. Bowes i Beliview Drive 361 Willow Street 3 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Leo G. & Pamela J. Doyle Thomas & Pauline Conti Timothy P. & Jacqueline Hernon 5 Beliview Drive 362 Willow Street 4 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Glenn & Pamela Dwyer Kevin & Kyle E. O'Connell Gary S. & Eileen C. Belastock 6 Beliview Drive 364 Willow Street 7 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Douglas A. & Vicki J. Scott Brenton & Eleanor Miller Basil T. & Joanne Veglas 9 Beliview Drive 366 Willow Street 8 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Lester W. & Irene A. Dwyer Gilbert & Gretchen B. Elliot George & Diana Dern 10 Beliview Drive 367 Willow Street 6 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James R. Burnett Stephen & Gloria Penesis Joanne Harrington 14 Bellview Drive 368 Willow Street 3 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Hubert E. & Verna T. Buote Raymond Jr. & Barbara McCulloch Joseph S. & Patricia Phillips 15 Bellview Drive 373 Willow Street 7 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Gertrude Brown & Edward & Ellen Wagner Anthony R. & Anna Carlone Robert A. & Anne M. Brown 23 Fisher Lane 378 Willow Street 10 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Arthur & Rose A. Kovich 20 Bellview Drive Mansfield, MA 02048 Anthony J. & Irene C. Copparini 19 Bellview Drive Mansfield, MA 02048 Mary J. Dafile 343 Willow Street Mansfield, MA 02048 Donald & Pauline Paiva 347 Willow Street Mansfield, MA 02048 John S. & Beth A. Bracken 351 Willow Street Mansfield, MA 02048 Nicholas A. & Francl ucchero 355 Willow Street Mansfield, MA 02048 Anne Donegan 28 Leonard Street Mansfield, MA 02048 Donald B. & Rita M. Dillon 255 South Main Street Mansfield, MA 02048 Marion Berube Francis & Paula Archer 380 Willow Street 11 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Malcolm E. Givens, Jr. Edward & Margaret Ellis 381 Willow Street 14 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Derek W. & Susan M. Price John & Cheryl Reardon 387 Willow Street 15 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Vincent & Mary Ann Botti Kenneth & Carol Junkins 395 Willow Street 19 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Brian & Lyn A. Pickhover /James J. & Kathleen M. Kane 396 Willow Street 20 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Priscilla A. Douglas 24 Leonard Street Mansfield, MA 02048 Merle H. & Etta L. Young Jerry D. & Deborah L. Neth 25 Edgewood Street 304 South Main Street Mansfield, MA 02084 Mansfield, MA 02048 Thomas A. & Barbara Manley 345 South Main Street Mansfield, MA 02048 John & Debra Fullerton 319 South Main Street Mansfield, MA 02048 Russell & Theresa Geoffrey Donald F. & Rhonda Lovely Stephen & Patricia Holt 295 South Main Street 353 South Main Street 335 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James J. & Linda Linehan Joseph M. & Althea Sankey Joseph D. & Sharon Mullin 298 South Main Street 363 South Main Street 371 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Stephen & Anne Marie Kennedy 299 South Main Street Mansfield, MA 02048 Lester W. & Frances Pilkington 384 South Main Street Mansfield, MA 02048 Douglas M. & Candace W. Bell 370 South Main Street Mansfield, MA 02048 William F. Williams Town Manager 50 West Street Mansfield, MA 02048 Scott Leite Joseph Pasquale - Chair Health Agent Board of Selectmen 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 Robert Swanson Town Engineer 50 West Street Manfield, MA 02048 Richard Lewis Conservation Agent 50 West Street Mansfield, MA 02048 Arthur M. O'Neil Acting Police Chief 50 West Street Mansfield, MA 02048 Amos Robinson Board of Selectmen 50 West Street Mansfield, MA 02048 Ralph Penney Board of Selectmen 50 West Street Mansfield, MA 02048 Douglas Ronald Board of Selectmen 50 West Street Mansfield, MA 02048 Lance Lawson Dianne Royle Traffic Officer Board of Selectmen 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 Guntis & Nancy C. Reks 381 South Main Street Mansfield, MA 02048 Ed Sliney, Fire Chief Fire Department 291 North Main Street Mansfield, MA 02048 Barbara Hyland State Representative State House, Room 237 Boston, MA 02133 William Keating State Senator State House, Room 424 Boston, MA 02133 Peter Blute, U.S. Congressman 1079 Mechanics Tower 100 Front Street Worcester, MA 01608 Meredith Holford Reporter Assigned to Site Mansfield News P.O. Box 109 Mansfield, MA 02048 �,A� Diane E. Martin 10 Barbara Road Mansfield, MA 02048 44ube444 .Hunter-..., 1 Bellview Drive Mansfield, MA 02048 Leo G. & Pamela J. Doyle 5 Beliview Drive Mansfield, MA 02048 Lawrence i0 ari-Mr Jackson 357 Willow Street Mansfield, MA 02048 P Mildred Joseph `361"Willow Street Mansfield, MA 02048 362 Willow Street Mansfield, MA 02048 Sasan-Pretti Kevin & Kyle E. O'Connell 6 Beliview Ddve 364 Willow Street Mansfield, MA 02048 Mansfield, MA 02048 Douglas A. & Vicki J. Scott 9 Bellview Drive Mansfield, MA 02048 Lester W. & Irene A. Dwyer 10 Bellview Drive Mansfield, MA 02048 James R. Burnett 14 Bellview Drive Mansfield, MA 02048 HubeFE. & Verna T. Buote 15 Bellview Drive Mansfield, MA 02048 1;,104, ` Gertrude Brown & Ellen Wagner 23 Fisher Lane Mansfield, MA 02048 Arthur & Rose A. Kovich 20 Bellview Drive Mansfield, MA 02048 Brenton & Eleanor Miller 366 Willow Street Mansfield, MA 02048 �rpz,rt <° Gretchen B. Elliot 367 Willow Street Mansfield, MA 02048 Stephen & Gloria Penesis 368 Willow Street Mansfield, MA 02048 Raymond Jr. & Barbara McCulloch 373 Willow Street Mansfield, MA 02048 Anthony R. & Anna Carlone 378 Willow Street Mansfield, MA 02048 f(Aar O� -Roy Berube 380 Willow Street Mansfield, MA 02048 Post -it" brand Fax Transmittal Mem® 7672 : Nn of Pages t: To�}} From �I Comp�y�L..� Company �L/7� ✓'t Location �..1 Location Michael J. & Linda McSheffrey 1 Leonard Circle Mansfield, MA 02048 Mark E. & Colleen A. Bowes 3 Leonard Circle Mansfield, MA 02048 Timothy P. & Jacqueline Hernon 4 Leonard Circle Mansfield, MA 02048 Gary S. & Eileen C. Belastock 7 Leonard Circle Mansfield, MA 02048 Basil T. & Joanne Veglas 8 Leonard Circle Mansfield, MA 02048 George [fern a(� II'0 (p tW Leonard Street Mansfield, MA 02048 Q,. Joan`�fb8ine Harrington 3 Leonard Street Mansfield, MA 02048 Joseph S. & Patricia Phillips 7-5W Leonard Street Mansfield, MA 02048 Robert A. & Anne M. Brown 10 Leonard Street Mansfield, MA 02048 f'!Cl 2T Gt - � P u i 6artten d:-&-Bads-We1Ch 11 Leonard Street Mansfield, MA 02048 Today to Time Dept. Charge Fax# lepone# Fax 1 -2� 3 C r�{nene a Original U k Disposition:Destroy yyo Telopho g# 11 Return 11 Call for pickup &� dutlF—'Anthon J. &Irene C. CopParini Nil ana-H.enni Edward & Margaret Ellis 19 Bellview Drive 381 Willow Street 14 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 002048 jr)p4"' f�- Cam. �—e--1 L'm/df Mary J. Defile Derek W. & Susan M. Price David.&..Gagle-° .-VZ� alfatta ! 343 Willow Street 387 Willow Street 15 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 !.)ua;Ac. y PALLLtOJ _ PAIVj �t✓ii:i✓� - . John& -Pauline Mary Ann Both Kenneth & Carol Junkins 347 Willow Street 395 Willow Street 19 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 John S. & Beth A. Bracken Brian & Lyn A Pickhover James J. & Kathleen M. Kane 351 Willow Street 396 Willow Street 20 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 A Nicholas A. &Francis Zucchero an Geld' Priscilla A. Douglas 355 Willow Street el jan"sfieldm 24 Leonard Street Mansfield, MA 02048 , MA 48 Mansfield, MA 02048 CAA 1Q. Donegan Faff y ' AA-C t4 ' klubert-M:-& Etta L. Young Jerry D. & Deborah L. Neth 28 Leonard Street 25 Edgewood Street 304 South Main Street Mansfield, MA 02048 Mansfield, MA 02084 Mansfield, MA 02048 Donald B. & Rita M. Dillon Thomas A. Manley John & Debra Fullerton 255 South Main Street 345 South Main Street 319 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Russell & Theresa Geoffrey Donald F. & Rhonda Lovely Stephen & Patricia Holt 295 South Main Street 353 South Main Street 335 South Main Street. Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James J. & Linda Linehan Joseph M. & Aflhea Samkey Joseph D. & Sharon Mullin 298 South Main Street 363 South Main Street 371 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 }`/� ��`✓,8 � (iei f�f"t d���.tL /..; �1 { S e%� _'h....,l Ske�lal••MerdNeu Douglas M. & Candace W. Bell Nancy C. Eames-- 299 South Main Street 370 South Main Street 381 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 22 �uuI GROUNDWATER [j� TECHNOLOGY Lester W. & Frances Pilkington Lance Lawson 384 South Main Street Traffic Officer Mansfield, MA 02048 Town Hall 50 West Street Mansfield, MA 02048 William F. Williams Ed Sliney Town Manager Fire Chief Town Hall Fire Department 50 West Street 291 North Main Street Mansfield, MA 02048 Mansfield, MA 02048 Scott Leite Joseph Pasquale - Chair Health Agent Board of Selectmen Town Hall Town Hall 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 Robert Swanson Amos Robinson Department o PublicWarks-6ireetor­ Board of Selectmen Town Hall " i --) t ,a 6 i ,a t � C- Town Hall 50 West Street 50 West Street Manrield, MA 02048 Mansfield, MA 02048 Richard Lewis Conservation Agent Town Hall 50 West Street Mansfield, MA 02048 Artho M. O'Neil 0�^Lj Police Chief Town Hall 50 West Street Mansfield, MA 02048 Ralph Penney Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 Douglas Ronald Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 23 Dianne Royle Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 Barbara #ighfan i State Representative State House , 9-All ° 1�-75 1 Boston, MA 02133 William Keating State Senator State House Boston, MA 02133 Peter Blute U.S. Congressman 1079 Mechanics Tower 100 Front Street Worcester, MA 01608 Holford Reportei,Assigned to Site Mansfield News P.O. Box 109 Mansfield, MA 02048 Gail Goddard -Taylor Mansfield Area Reporter Attleboro Sun Chronicle P.O. Box 600 Attleboro, MA 02703 [To!GROUNDWATER TECHNOLOGY D RAFT [NOTIFICATION/INFORMATION LETTER] [BOARD OF HEALTH LETTERHEAD] November 30, 1993 [RESIDENT] [ADDRESS] Mansfield, MA 02048 Regarding: Groundwater Study for the Former Gorham Silver Plant Site 340 Main Street, Mansfield, Massachusetts Dear [RESIDENT], Beginning in ... [DATE OF DRILLING] ... Groundwater Technology will be conducting study on groundwater contamination related to the Former Gorham Silver Plant site. The study will focus on volatile organic compounds (VOCs) that have traveled west from the former plant site in the groundwater. The investigation will involve installing temporary wells in the roadways in your neighborhood and additional sampling of selected private wells. This work is part of a continuing process of environmental studies that have been carried out since 1990. The attached fact sheet provides details on the site as well as the upcoming study. The Massachusetts Department of Environmental Protection (MADEP) has approved the study plans and has approval authority over all of the work. The study has been funded by Textron, Inc., one of the former owners of Gorham Silver, Inc. At this time, there is no evidence that the site poses a risk to residents in the neighborhoods west of the former plant, provided that the irrigation wells condemned by the Board of Health are not in use. The purpose of this study is to determine whether any additional measures need to be taken to protect public health. Groundwater samples will be collected from 33 temporary wells and analyzed for VOCs in a laboratory. The results will be compared to health -protective standards calculated from the most up-to-date information from the U.S. Environmental Protection Agency. If the concentrations found in groundwater exceed the standards, then indoor air sampling will be performed to determine directly whether VOCs may have evaporated from the groundwater, moved upward through the soil, and entered any buildings through cracks in the foundation. The Board of Health will review all of the results from the study. If VOC levels are found in indoor air that require action due to potential risk to human health, then the owners will immediately be offered the opportunity to have a venting system installed at no cost. The venting system would remove the VOCs from soil beneath basement of the house and release them above the roof level. Such systems are similar to those used to control radon and are relatively simple to install and unobtrusive in operation. Textron would pay the cost of installing and operating the venting system. Textron and the Board are concerned that residents understand and feel comfortable with any work to be performed on their property. All residents who are scheduled to have samples collected from their wells or houses will be contacted by my office to arrange a convenient time for the work and ensure that all of the resident's questions are answered. No resident will be asked to permit installation of a venting system until they are comfortable with the plans and understand the operation of the system. Please feel free to contact me with any questions or concerns that your may have regarding the site or the upcoming work. Yours truly, Scott Leite Health Agent TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 December 16, 1993 [RESIDENT] [ADDRESS] Mansfield, MA 02048 Regarding: Groundwater Study for the Former Gorham Silver Plant Site 340 Main Street, Mansfield, Massachusetts Dear [RESIDENT], Beginning in January 1994 Groundwater Technology will be conducting study on groundwater contamination related to the Former Gorham Silver Plant site. The study will focus on volatile organic compounds (VOCs) that have traveled west from the former plant site in the groundwater The investigation will involve installing temporary wells in the roadways in your neighborhood and additional sampling of selected private wells. This work is part of a continuing process of environmental studies that have been carried out since 1990. The attached fact sheet provides details on the site as well as the upcoming study. The Massachusetts Department of Environmental Protection (MADEP) has approved the study plans and has approval authority over all of the work. The study has been funded by Textron, Inc., one of the former owners of Gorham Silver, Inc. At this time, there is no evidence that the site poses a risk to residents in the neighborhoods west of the former plant, provided that the irrigation wells condemned by the Board of Health are not in use. The purpose of this study is to determine whether any additional measures need to be taken to protect public health. Groundwater samples will be collected from 33 temporary wells and analyzed for VOCs in a laboratory. The results will be compared to health -protective standards calculated from the most up-to-date information from the U.S. Environmental Protection Agency. If the concentrations found in groundwater exceed the standards, then indoor air sampling will be performed to determine directly whether VOCs may have evaporated from the groundwater, moved upward through the soil, and entered any buildings through cracks in the foundation. The Board of Health will review all of the results from the study. If VOC levels are found in indoor air that require action due to potential risk to human health, then the owners will immediately be offered the opportunity to have a venting system installed at no cost. The venting system would remove the VOCs from soil beneath basement of the house and release them above the roof level. Such systems are similar to those used to control radon and are relatively simple to install and unobtrusive in operation. Textron would pay the cost of installing and operating the venting system. Textron and the Board are concerned that residents understand and feel comfortable with any work to be performed on their property. All residents who are scheduled to have samples collected from their wells or houses will be contacted by my office to arrange a convenient time for the work and ensure that all of the resident's questions are answered. No resident will be asked to permit installation of a venting system until they are comfortable with the plans and understand the operation of the system. Please feel free to contact me with any questions or concerns that your may have regarding the site or the upcoming work. Very truly yours, Mansfield Board of Health Scott Leite Health Agent cc: Board of Selectmen Town Manager Diane E. Martin Lawrence & Ann M. Jackson Michael J. & Linda McSheffrey 10 Barbara Road 357 Willow Street i Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Hubert H. Hunter Omar A. & Mildred Joseph Mark E. & Colleen A. Bowes 1 Bellview Drive 361 Willow Street 3 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Leo G. & Pamela J. Doyle Casimir & Frances Eckler Timothy P. & Jacqueline Hernon 5 Bellview Drive 362 Willow Street 4 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Susan Prel i Kevin & Kyle E. O'Connell Gary S. & Eileen C. Belastock 6 Bellview Drive 364 Willow Street 7 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Douglas A. & Vicki J. Scott Brenton & Eleanor Miller Basil T. & Joanne Veglas 9 Bellview Drive 366 Willow Street 8 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Lester W. & Irene A. Dwyer Gretchen B. Elliot George Dern & Diana Williams 10 Bellview Drive 367 Willow Street 1 W Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James R. Burnett Stephen & Gloria Penesis Joan Collins Harrington 14 Bellview Drive 368 Willow Street 3 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Huber E. & Verna T. Buote Raymond Jr. & Barbara McCulloch Joseph S. & Patricia Phillips 15 Bellview Drive 373 Willow Street 5W Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Gertrude Brown & Ellen Wagner Anthony R. & Anna Carlone Robert A. & Anne M. Brown 23 Fisher Lane 378 Willow Street 10 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Arthur & Rose A. Kovich Roy Berube Carlton J. & Doris Welch 20 Bellview Drive 380 Willow Street i i Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 21 Q�GROUNDWATER TECHNOLOGY Anthony J. & Irene C. Copparini Juliana H. Bennett Edward & Margaret Ellis 19 Bellview Drive 381 Willow Street 14 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Mary J. Defile Derek W. & Susan M. Price David & Gayle T. Valletta 343 Willow Street 387 Willow Street 15 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 John & Pauline Armstrong Mary Ann Bottl Kenneth & Carol Junkins 347 Willow Street 395 Willow Street 19 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 John S. & Beth A. Bracken Brian & Lyn A Pickhover James J. & Kathleen M. Kane 351 Willow Street 396 Willow Street 20 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Nicholas A. & Francis Zucchero Town of Mansfield Priscilla A. Douglas 355 Willow Street 354 Willow Street 24 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Donegan Family Hubert M. & Etta L. Young Jerry D. & Deborah L. Neth 28 Leonard Street 25 Edgewood Street 304 South Main Street Mansfield, MA 02048 Mansfield, MA 02084 Mansfield, MA 02048 Donald B. & Rita M. Dillon Thomas A. Manley John & Debra Fullerton 255 South Main Street 345 South Main Street 319 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Russell & Theresa Geoffrey Donald F. & Rhonda Lovely Stephen & Patricia Holt 295 South Main Street 353 South Main Street 335 South Main Street. Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James J. & Linda Linehan Joseph M. & Althea Samkey Joseph D. & Sharon Mullin 298 South Main Street 363 South Main Street 371 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Sheila J. Merrill Douglas M. & Candace W. Bell Nancy C. Eames 299 South Main Street 370 South Main Street 381 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 22 GROUNDWATER TECHNOLOGY TECHNOLOGY Lester W. & Frances Pilkington Lance Lawson Dianne Royle 384 South Main Street Traffic Officer Board of Selectmen Mansfield, MA 02048 Town Hall Town Hall 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 William F. Williams Ed Sliney Barbara Highland Town Manager Fire Chief State Representative Town Hall Fire Department State House 50 West Street 291 North Main Street Boston, MA 02133 Mansfield, MA 02048 Mansfield, MA 02048 Scott Leite Joseph Pasquale - Chair William Keating Health Agent Board of Selectmen State Senator Town Hall Town Hall State House 50 West Street 50 West Street Boston, MA 02133 Mansfield, MA 02048 Mansfield, MA 02048 Robert Swanson Amos Robinson Peter Blute Department of Public Works Director Board of Selectmen U.S. Congressman Town Hall Town Hall 1079 Mechanics Tower 50 West Street 50 West Street 100 Front Street Manfield, MA 02046 Mansfield, MA 02048 Worcester, MA 01608 Richard Lewis Ralph Penney Merideth Holford Conservation Agent Board of Selectmen Reported Assigned to Site Town Hall Town Hall Mansfield News 50 West Street 50 West Street P.O. Box 109 Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Arthor M. O'Neil Douglas Ronald Gail Goddard -Taylor Police Chief Board of Selectmen Mansfield Area Reporter Town Hall Town Hall Attleboro Sun Chronicle 50 West Street 50 West Street P.O. Box 600 Mansfield, MA 02048 Mansfield, MA 02048 Attleboro, MA 02703 23 GROUNDWATER t TECHNOLOGY TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 February 8, 1995 Robert C. Brayley Textron, Inc. 40 Westminster Street Providence, RI 02903 Re: 340 South Main St. Dear Bob: Attached is a copy of a memorandum that we received from the Mansfield Planning Board. As you can determine, a subdivision is proposed adjoining the property at 340 South Main Street. The Planning Board has some questions as stated in their memo, could you please respond? I have answered some of the questions in a very general way, but do believe, more specific answers would benefit everyone. Thank you for your cooperation. Very truly yours, SL:dr Attachments NONFARM TOWN OF MANSFIELD, MASSACHUSETTS 50 West Street, Mansfield, MA 02048 TO: Board of Health FROM: Planning Board DATE: January 23, 1995 SUBJECT: Woodland Park Subdivision At its public hearing of January 18, 1995 on the above referenced definitive subdivision plan, a.question arose as to the impact, if any, of the Textron site on the land proposed for subdivision. As you know, the Woodland Park subdivision abuts the Textron site easterly and a significant portion of the Woodland site also lies downgradient. As was represented to the board, there are certain pollutants being carried off the Textron site in the groundwater. Our question, then, is this. Are pollutants being carried easterly through the site toward the Back Bay Brook or in other directions, and regardless of direction, does the presence of pollutants on the site present any known significant public health concerns that would effect the development of the property within the proposed Woodlot Park plan? The Planning Board has continued this public hearing to February 22, 1995, and if the Board of Health or agent Scott Leite could respond to this question prior to this date, the Planning Board would appreciate it. cc: Scott Leite, Health Agent MAM/jc �®`�NealrhOea�� MEMORANDUM TO Planning Board FROM: Health Agent, Scott i e RE Woodland Park Sub ion DATE : February 7, 1995 I am forwarding a copy of your memo dated January 23, 1995, to Robert Brayley, Textron, Inc., for specific answers to your questions. Generally, the plume extends from the site towards Leonard Circle, Willow Street and Bellview Avenue. Several rounds of indoor air testing in homes overlying the plume have not revealed migration of pollutants from the ground into living areas or basements. Direct contact with pollutants through use of groundwater may pose a health concern, depending on age, bodymass and dose. cc: Robert Brayley 02/28/95 11:45 W617 769 7785 GTI NORWOOD 2 001/004 fe091mele TRANSMITTAL to: Scott Leite fax #: (508) 261-7343 re: Former Gorham Silver Site date: February 28,1995 pages: 4, including this cover sheet. Scott: Attached is the mailing list we used for the last public communication prior to conducting the groundwater study. Could you please review this list and make any corrections ,you are aware of? Once the list has been updated, I will print the letters and bring them to your office for your signature. Thanks again for your help.... �Uf:S�Uh i't' G 1nU�QS C 6(1,�f i-,Fil 2H 1r� flCw� Ct C(A Ir64 I I�fi,AJ,\ ► AOi0$ P/(—L(� S JA?� .3-d- ) � . �+� � i �V � c J From the desk of... Robert M. Bird Senior Project Manager Groundwater Technology, Inc. �D a 100 River Ridge DrIve i NerwnveCd. MA 620622682 (617) 769-7602 Fax:(617) 769.7786 1.. - , Z'' 11 . iI r/ Diana E. Martin 10 Barbara Road Mansfield, MA 02040 L'AuPv01Gt V/LsiwfenceV2fflW. Jackson 357 Willow Skeet Mansfield, MA 02048 rWd1e[,b y k nna. �t ( �ZCC0 A-H-Hunter— / & Mildred Joseph I Bellview, Drive 381 Willow Skeet Mansfield, MA 02048 Mansfield, MA 02048 r/wlichael J. & Linda McSheffrey 1 Leonard Circle Mansfield, MA 02048 Mark E. & Colleen A. Bowes 3 Leonard Circle Mansfield, MA 02046 ✓Leo G. & Pamela J, Doyle ,Casimir & Frances Eckier /Timothy P. & Jacqueline Hernon 5 Bellview Drive 362 Willow Street 4 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 L'��frtn I Gmuc- �'Lvl./f�gnnzhn d L�i/�/JL /fiCCuik -Sdsan-Pfelli-- ✓Gary S. & Eileen C. Belastock / 6 Bellview Drive /l 364 Willow Street 7 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 ✓Douglas A. & Vicki J. Scott 9 Bellview Drive Mansfield, MA 02048 t✓Brenton & Eleanor Miller 366 Willow Street Mansfield, MA 02048 t/ Gretchen B. Elliot 10 Bellview Drive &C Cis IS ' 367 Willow Street Mansfield, MA 02048 Mansfield, MA 02048 deme emetF— V Stephen & Gloria Penesis 14 Bellview Drive 368 Willow Street Mansfield, MA 02048 Mansfield, MA 02048 ✓Huber}E. & Verna T. Buote 15 Bellview Drive Mansfield, MA 02048 ;Gertrude Brown & Ellen Wagner 23 Fisher Lane Mansfield, MA 02040 t/Arthur & Rose A. Kovich 20 Bellview Drive Mansfield, MA 02048 /Raymond Jr. & Barbara McCulloch 373 Willow Street Mansfield, MA 02048 V Anthony R, & Anna Carione 378 Willow Street Mansfield, MA 02048 NIY- Iu'j �ll Barube 380 Willow Street Mansfield, MA 02048 21 V/Basil T. & Joanne Veglas 8 Leonard Circle Mansfield, MA 02048 V/George Dern & Diana Williams I*Leonard Street Mansfield, MA 02048 ,/Joan Collins Harrington 3 Leonard Skeet Mansfield, MA 02048 Joseph S. & Patricia Phillips j ;1 Leonard Street Mansfield, MA 02048 ✓Robert A. & Anne M. Brown 10 Leonard Skeet Mansfield, MA 02048 ✓i �cls uic� Pm..CkLI_ 11 Leonard Skeet Mansfield, MA 02048 E-1!.., !agCROUNDWATER k II I(�TECHNOLOGY V- -J 11.1 i1.4V 11aa ....... .. va. � ill4t-00�-wt �l�nt' C4rUtns ,/ Anthony J. & Irene 0. Copparini ej-L-COL ar+i-Bennett �dward & Margaret Ellis 19 Bellview Drive 361 Willow Sheet 14 Leonard Street Mansfield, MA 02040 ` Mansfield, MA 02048 Mansfield, MA 02048 ✓ Nrl � Cher'` l �t4rc�t� Mary J. Dome Derek W. & Susan M. Price 8aV{d aykrF Valletta 343 Willow Sheet 387 Willow Sheet 15 Leonard Sheet Mansfield, MA 02040 Mansfield, MA 02048 Mansfield, MA 02048 DoaAl,:i> q P(41LL(4, pAIVA MarySold (f tpJc u ' Kenneth & Carat Junkins 347 Willow Sheet 395 Willow et 19 Leonard Sheet Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 VJohn S. & Beth A. Bracken 351 Willow Street Mansfield, MA 02048 V/Nicholas A. & Francis Zuccharo 355 Willow Street Mansfield, MA 02048 Donegan Family 28 Leonard Street Mansfield, MA 02048 ✓Donal! B. & Rita M. Dflon 255 South Main Sheet Mansfield, MA 02048 ✓ Russell & Theresa Geoffrey 295 South Main Street Mansfield, MA 02048 .,/James J. & Linda Linehan 298 South Main Street Mansfield, MA 02048 ✓Brian & Lyn A. Pickhover 396 Willow Street Mansfield, MA 02048 I'G1t1A) ✓ t S—fJ (fJ fs i S i eld, MA 0 Hubert M. & Etta L. Young 25 Edgewood Street Mansfield, MA 02084 ✓ Thomas A. Manley 345 South Main Street Manafield, MA 02048 ,/Donald F. & Rhonda Lovely 353 South Main Street Mansfield, MA 02048 ✓Joseph M. & Althea Sankey 363 South Main Street Mansfield, MA 02048 siixP''len rs AAAzfu0r't2. Cfl�Nilr4Cf- IW 4( i Ff 8 299 South Main Street 370 South Main Street r Mansfield, MA 02048 " Mansfield, MA 02048 22 ✓James J. & Kathleen M. Kane 20 Leonard Sheet Mansfield, MA 02048 Priscilla A. Douglas 24 Leonard Sheet Mansfield, MA 02048 V JerryD, &Deborah L. Nelh 304 South Main Street Mansfield, MA 02040 L,4ohn & Debra Fullerton 319 South Main Street Mansfold, MA 02048 t/Stephen & Patricia Holl 335 South Main Street. Mansfield, MA 02048 Joseph D. & Sharon Mullin 371 South Main Street Mansfield, MA 02040 (; U kif ISGnr.k Nancy C: &Gft3.. tQ f0 S 381 South Main Street Mansfield, MA 02048 pF191GROUNDWATER Il_JL._L TECHNOLOGY Lester W. & Frances Pilkington 384 South Main Street Mansfield, MA 02048 AWilliam F. Williams Town Manager Town Hall 50 West Street Mansfield, MA 02DU /Scott Lelia V Health Agent Town Hail 50 West Street Mansfield, MA 02048 ✓ Lance Lawson Trafec Officer Town Hall 50 West Street Mansfield, MA 02048 V Ed Sliney Fire Chief Fire Department 291 North Main Street Mansfield, MA 02048 UY UrLL Board of Sol en \)' 50 at N V G ansfield, MA 02048 L� Robed Swanson ; I 0 WA) � 09 tom'` r mos Robi � �C)S rd electmen " Z 0� S� l LC k N� r Vu Town Hall To all MCI � 50 West Street Wes treat � ) -\ (�l Manfield, MA 02048 ans0eld, 02040 vRlchard Lewis Ralph Pan N1Gt � S Conservation Agent Board of Selectmen Town Hall Town Hail f l C U 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 Ito rc,�A VjAdhor M. O'Nefl jCouglas Ronald Police Chief Board of Selectmen Town Hag Town HaN 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02046 ✓Dianne Ro0i; Board of Selectmen Town Hall 50 West Street Mansfield, MA 02048 23 MCROUNDWATER TECHNOfACy -- y Textron Inc. March 23, 1995 Mr. Scott Leite Health Agent Town of Mansfield 50 West Street Mansfield, MA 02048 Subject: Response to Memo from Planning Board Dear Mr. Leite: 40 Westminster Street Providence, R.I. 02903 401/421-2800 The purpose of this letter is to respond to questions raised by the Town of Mansfield Planning Board regarding the potential impact of the former Gorham Silver Company property on the proposed Woodland Park subdivision. Specifically, the Planning Board asked: Are pollutants being carried easterly through the site toward Back Bay Brook or in other directions, and regardless of direction, does the presence of pollutants on the site present any known significant public health concerns that would effect the development of the property within the proposed Woodland Park Plan? In response to the first part of this question, data collected over the past several years have clearly shown that groundwater flow in the vicinity of the former Gorham Silver site is in a southwesterly direction. There is no evidence of groundwater flow or pollutant transport in an easterly direction. In response to the second part of this question, the pollutants present on the Gorham Silver site are located within the subsurface soil and dissolved in the groundwater. As a result, there is no known exposure pathway that results in a public health concern affecting the development of the property abutting the site to the east. Textron intends to authorize Groundwater Technology Inc. to perform a Comprehensive Phase II Site Investigation at the site during the later part of this year. That investigation will provide additional information related to your questions, and Textron intends to provide the results of these studies to the Mansfield Board of Health and to the Massachusetts DER If you have any further questions or if you would like additional information on these issues, please contact me at (401) 457-2440. Sincerely, Robert C. Brayley Manager, Environmental Affairs and Site Remediation RCB:cig Fact Sheet No. 2 October 1995 Former Gorham Silver Company Site 340 South Main Street, Mansfield, Massachusetts Plans Underway for Detailed Site Studies During the next few months, a series of environmental studies will be performed at the site of the former Gorham Silver Company (site) and in residential areas west of the site. The purpose of the studies is to provide additional information regarding the presence of volatile organic compounds (VOCS) on the site of the former Gorham Silver Company (on -site) and in groundwater in the neighboring residential area to the west (off -site). The off -site investigation will primarily entail installing wells for periodic monitoring and sampling of groundwater. This Fact Sheet provides a brief site background, a summary of cleanup work to - date, and a description of the plans underway for the additional site studies. As always, additional information concerning site environmental activities may be obtained from the Town of Mansfield Health Agent. The studies to be conducted are formally referred to as a Phase II Comprehensive Site Assessment. The Phase II studies are required as part of a comprehensive environmental investigation and cleanup program described in State law (M.G.L. c. 21E). A report describing the studies and field work planned has been submitted to the Massachusetts Department of Environmental Protection (MADEP) and, upon completion of all work a report of study findings will be submitted to the MADEP. Based on Phase II findings and MADEP requirements, a determination of the need for further action will be made. All of the on -site and off -site work will be either conducted or closely supervised by Groundwater Technology, Inc. of Norwood, Massachusetts. Groundwater Technology is a nationwide environmental consulting firm with extensive experience in cleaning up VOCs in groundwater and soil. Site Background The site was used for silver plating operations from the 1940s to 1985, first by Standard Metal Company until 1969 and then by Gorham Silver, Inc. The one-story building located at the site is now vacant. Groundwater at the facility is found between 3 and 11 feet beneath the surface and flows west toward an unnamed pondandnearby wetlands. In 1990 VOCs were found in groundwater at the former Gorham Silver Company property; VOCs of the type found are commonly used for degreasing metals and as solvents. The exact source of the VOCs, however, is not known. Further studies in 1991 found detectable concentrations of VOCs in private irrigation wells west of the plant. These wells are not believed to have been used for drinking water; residents near the plant obtain their drinking water from the public water supply system. The Mansfield Board of Health has prohibited the use of these wells for any purposes, including irrigation. The Board of Health ban of private wells west of the former Gorham Silver Company property remains in effect. Cleanup Work To Date Short -Term Cleanup Measures. In 1992 Groundwater Technology designed and constructed a Short -Term Measures system for beginning to clean up VOC contamination on the property of the former Gorham Silver Company. The system began operating in January 1993 and has been operating regularly since then. The objectives of the system are to: (1) prevent further westward migration of contaminated groundwater, (2) treat the most heavily contaminated groundwater beneath the plant, and (3) remove VOCs from the soil. This system has been successful at reducing the further spreading of contaminated groundwater to the west and has reduced the amount of VOCs in on -site soil and groundwater. The soils are being cleaned with a Soil Vapor Extraction (SVE) and Air Sparging system. The SVE system uses a blower to draw air up through the soils being treated. This causes VOCs to evaporate off of the soils and into the air between soil particles. These soil gases are then drawn upward into a carbon filter where they are captured, stored, and then properly disposed of. Former Gorham Silver Company Site, Mansfield, Massachusetts 1 Figure 1: Proposed Groundwater Sampling Wells , �J � / w �J Air sparging is the technology used to remove VOCs from soils below the water table. In this process, air is injected into soils below the water table thereby causing VOCs in this soil to evaporate readily into the injected air. VOCs are then carried upward in the air into the soil above the water table. They are then swept into the SVE system. Air sparging also offers the extra benefit of capturing some of the VOCs dissolved in the groundwater. VOCs in groundwater at the site are being captured through 3 pumping wells. The groundwater is fed through carbon filters which trap and store the VOCs; the carbon filters are then properly disposed of. The clean water is then discharged to the storm drain system underneath Leonard Street in accordance with a permit issued by the U.S. Environmental Protection Agency. This Short -Term Measures system will continue to operate until (and possibly after) Phase II studies are completed. _ Results of May 1994 Groundwater Sampling. In May 1994, Groundwater Technology collected groundwater samples from temporary wells in 22 locations in the neighborhood west of the site. One sample was collected from each well at a depth of between 14 to 19 feet below ground and, at four locations, a second sample was taken at a lower depth of about 28 to 30 feet below ground. The samples identified the presence of VOCs at some locations. The results of this preliminary sampling indicated that further groundwater studies are required to provide more detailed characteristics of the off -site groundwater. Plans for Detailed Site Studies In accordance: with State environmental law, a Phase II Comprehensive Site Assessment work plan has been prepared which describes the detailed site studies to take place both on -site and off -site nthe western residential area, pond, and wetlands. The work plan has been submitted to MADEP. Groundwater Technology will either perform or supervise the performance of all studies; work has been started on -site and off -site work is scheduled to begin in October 1995. On -Site Studies Planned. The on -site work includes groundwater and soil sampling to determine the source of the VOCs and to provide further information on the groundwater and soil conditions. Several temporary wells have been installed to collect groundwater and soil samples and additional permanent groundwater monitoring wells will also be installed. Groundwater will be sampled periodically from wells to monitor the quality and flow direction of groundwater on the site. Off -Site Studies Planned. Based on the presence of VOCs in some of the groundwater samples collected in May 1994, additional groundwater sampling is planned in the area to the west of the site. Groundwater Technology will install monitoring well couplets at the 11 approximate locations shown in Figure 1 . All of the wells will be located in public roadways Unlike the wells installed in May 1994, these wells will be for studies of the groundwater over several months to years in the site vicinity. These wells, called monitoring wells because they assist in monitoring groundwater conditions, will be sampled periodically to provide information regarding the movement and chemical characteristics of the groundwater. There will be two wells (known as a couplet) installed at each location; a shallow well to sample groundwater at about 25 feet below ground and a deeper one in the underlying bedrock to collect samples at a depth of about 50 feet below ground. Soil will also be collected from these wells to provide further information for the study. As part of the off -site sampling program, Groundwater Technology will also collect samples of water and sediments from the unnamed pond and nearby wetlands to be analyzed for VOCs and to reconfirm the conditions of the pond and wetlands. All samples will be collected and transported according to methods approved by MADEP, and analyzed by a Massachusetts certified laboratory. Depending on the preliminary findings of the on - site and off -site work, additional studies may need to be conducted to provide further information on the geology of the area. At this time, no additional off -site studies are expected. Data Review The data produced by this Phase II Comprehensive Site Assessment study will be evaluated by Groundwater Technology, the Mansfield Board of Health, and MADEP to determine whether or not any further study and/or cleanup is needed at the site. Once the Phase II data has been gathered and analyzed, Groundwater Technology will also conduct a Risk Assessment study, as required by MADEP to be part of the Phase II report. The purpose of this study is to review the nature and levels of compounds identified on and near the site, determine if and how people might be exposed to them and then, estimate the risks that might be posed to people and/or the environment should they be exposed. Project Schedule Groundwater Technology will begin the drilling both on- and off -site groundwater wells in October 1995. The first round of off -site groundwater sampling will occur in November 1995 and the second round is scheduled for February 1996. All field work should be complete by the and of February 1996 however unanticipated site conditions and/or inclement weather could possibly delay the schedule. It is expected that a final Phase II report will be submitted to MADEP by June 1996. The report will also be available at the Mansfield Health Department at the same time. Former Gorham Silver Company Site, Mansfield, Massachusetts 3 For More Information Although this Fact Sheet provides the information believed to be of greatest interest to the public, it certainly cannot cover all of the information generated by the site investigation or answer every question that the public may have. Therefore, if you have additional questions regarding site activities, you may call or write the Mansfield Town Health Agent at the address and phone number given below. All site -related reports are also available for public review at the Health Department during the hours listed below. Scott Leite Town Health Agent Town Hall, 50 West Street Mansfield, MA 02048 508-261-7366 HOURS Monday - Friday 8 a.m. - 5 p.m. Mansfield Board of Health Town Hall 50 West Street Mansfield, MA 02048 Forwarding and Address Correction Requested Scott Leite Health Agent 50 West Street Mansfield, MA 02048 Inside: Former Gorham Silver Plant Site Fact Sheet No. 2 4 Mansfield Board of Health: Fact Sheet No. 2 2 8^ CL = 0 6 as e OQ t p � o Of a o � OW 7-Z Wm of �Q z� o U ON �rcc,a4 Wrc Ey fG W 2 0 E+ O U E�¢ 0❑0 a DOAmt �o z x o U F U � a � F- z / o 2 = % o U w a EJ12 33 O als 3 ti <a OZ O o F pjF ati o YW OZ OZ O � a�\ ro O W TOWN OF MANSFIELD) MASSACHUSETTS 50 West Street, Mansfield, MA 02048 FAX COVER SHEET Date From: Town of Mansfield 50 West Street Mansfield, MA 02048 Name: Board of Health Time �Cr `Z--� C t't,t..� Phone: (508) 261-7366 Fax: (508) 261- 7343 To: I eC�¢— Type of Form �sl No. of Pages (including cover sheet) If you do not receive all of the above copies, please contact' sender. message: S+tv' 1 / ( J �d I rig i f r r tA.l F ,a TOWN OF MANSFIELD) MASSACHUSETTS 50 West Street, Mansfield, MA 02048 FAX COVER SHEET Date 16N - - <,(! c From: Town of Mansfield 50 West Street Mansfield, MA 02048 Name: Board of Health To: Time Z( -Y.ol r6t,` Phone: (508) 26 1- 7366 Fax: (5 08) 2 6 1- 7343 Type of Form No. of Pages (including cover sheet) If you do 'not receive all of the above copies,' please contact sender. Message: c, Aq du-li fk� October 6, 1995 Nancy Nevens I I I r:, Groundwater Technology Here's the list of residents in Mansfield with contaminated wells, as you requested. Scott Leite Mansfield Health Agent k2t)4 6 T _ 5r C"— -- L&tJ1fv(?21, __CW �ivoct.. - �_s_tu,�a_ - -_� - - - - Fact -Sheet No. 4 June 1997 Former Gorham Silver Facility Site 340 South Main Street, Mansfield, Massachusetts Board of Health Approves Modification of Private Well Ban This Fact Sheet presents recently approved modifications of the private well ban which is in place in the Leonard Street area west and southwest of the former Gorham Silver site. As explained in Fact Sheet No. 3, the environmental study recently completed at the former Gorham Silver site concluded that use of the currently existing private irrigation wells in this area for irrigation purposes (watering the lawn, car washing) does not pose a risk to human health. Thus while the ban on the use of these wells for drinking water remains in effect, the Mansfield Board of Health has decided that the ban on the use of the wells for irrigation will be modified to allow for such use, but only if certain procedures are followed. If a resident desires to use irrigation well, they may do so after contacting the Mansfield Health Agent, agreeing to use the well Contact Does resident yes Scott Leite. Does resid desire to use the Mansfield agree to rnuse private well? Health Agent far irrigaourooses No for irrigation purposes only, and participating in a sampling and evaluation program. The sampling program, which is presented in the diagram below, would be implemented by Fluor Daniel GTI (with oversight by a Site Professional licensed by the Massachusetts Department of Environmental Protection), on behalf of Textron Inc. In such cases the irrigation well would be sampled prior to use, and on a future periodic basis. If the levels of contaminants are within the acceptable levels established by Fluor Daniel GTI then the well could be used. If the contaminants exceed these levels, a small treatment system would be installed on the private well, thus allowing use of the well. No costs would be incurred by the resident for participation in this sampling/treatment program. If you have additional questions, you may write or call Scott Leite (508-261-7366), the Town of Mansfield Health Agent. an — — Sample the well. m . L I Does contamination exceed established acceptable levels? I I Yee I l Design, install and test I appropriate treatment system l and continue use of well. I IIO Resample system at a future date. nt-catn Yes Well ban ' remains in place. , No Use well for irrigation Resample at future purposes only. date. Yes Continue use of well. No Continue use of well, Former Gorham Silver Facility Site, Mansfield, Massachusetts t7 'ON JGeIIS 10e.:1 01!S Aj ffl0ej .1eA#S cue yioD JeLUJO_4 : apiSut 101J30 S,HDVNVI/V NMOl 3AI338 C\) oozo VW'Plagsuelnl MOH JIJed 9 Jobouevq uMol swell lM'd welll!M po;sonboy ua;oa»oj ssaippypue BuJpJeavoy 8ti0Z0 VW'PlausueIN nnoy Jed 9 y11e9H to pJeOG piellsueW 99SL-19Z-809 8fi0Z0 VW 'Plellsuelm M08 MJed 9 lua6V 41IeeH UMOI anal 11o0S •luawlJede4 gII88H eyl le MBIAaJ olignd Jol elgellene osle aJe slJodeJ peleleJ-al!s IIV •Molaq uaA16 Jegwnu euoyd pue sseJppe agl le lue6V ylleaH unnol plallsu2vy ayl al!JM Jo Ilex Am noA 'saR!AI102 ails 6ulpJe6eJ suo!lsenb leuolllppe aney noA 11 UOIIBWJOIUI aaoW ao j Fact Sheet No. Fenner Gorham Silver Facility Site 340 South Main Street, Mansfield, Massachusetts` i t G LE C IA'EN Reminder: Modification of Private Well Ban Approved By Board of Health In June 1997 Fact Sheet No. 4 was issued presenting the approved modifications of the private well ban which is in place in the Leonard Street area west and southwest of the former Gorham Silver site. This fact sheet is intended to remind residents of these modifications. As explained in Fact Sheet No. 3 (April 1997), the environmental study conducted at the former Gorham Silver site in 1996 and 1997 concluded that use of the currently existing private irrigation wells in this area for irrigation purposes (watering the lawn, car washing) does not pose a risk to human health. Thus while the ban on the use of these wells for drinking water remains in effect, the Mansfield Board of Health decided that the ban on the use of the wells for irrigation can be modified to allow for such use, but only if certain procedures are followed. If a resident desires to use their irrigation well, they may do so only after contacting the Mansfield Health Agent, agreeing to use the well for irrigation purposes only, and participating in a sampling and evaluation program. The sampling program, which is presented in the diagram below, would be presented by Fluor Daniel GTI (with oversight by a Site Professional licensed by the Massachusetts Department of Environmental Protection), on behalf of Textron, Inc. In such cases the irrigation well would be sampled prior to use, and on a future periodic basis. If the levels of contaminants are within the acceptable levels established by Fluor Daniel GTI then the well could be used. If the contaminants exceed these levels, a small treatment system would be installed on the private well, thus allowing use of the well. No costs would be incurred by the resident for participation in this sampling/treatment program. If you have additional questions, you may write or call Scott Leite (508-261-7366), the Town of Mansfield Health Agent. Former Gorham Silver Facility Site, Mansfield, Massachusetts For More Information If you have additional questions regarding site activities, you may call or write the Mansfield Town Health Agent at the address and phone number given below. All site -related reports are also available for public review at the Health Department. Scott Leite Town Health Agent 6 Park Row Mansfield, MA 02048 508-261-7366 Mansfield Board of Health 6 Park Row Mansfield, MA 02048 Forwarding and Address Correction Requested Dianne Royle Board of Selectmen 6 Park Row Mansfield, MA 02048 Inside: Former Gorham Silver Facility Site Fact Sheet No. 5 �5_ FLUOR PANNEL OWN July 16, 1997 Mr. Scott Leite Health Agent Town of Mansfield Park Row Mansfield. Massachusetts 02048 Subject: Private Irrigation Well Results Dear Scott: This letter presents the results of laboratory analyses of groundwater samples collected from three private lawn irrigation wells located west-southwest of the former Gorham Silver Facility Site. The groundwater samples were collected from private wells located at 368 Willow Street (Penesis residence), 28 Leonard Street (Donegan residence) and 15 Bellview Drive (Buote residence) on July 7, 1997. The samples were submitted to NEI/GTEL Environmental Laboratories, Inc. in Milford, New Hampshire (a Massachusetts certified laboratory) and analyzed for purgeable halocarbons in accordance with EPA Method 601. The laboratory results indicate that tetrachloroethene (PCE), the primary chemical of concern in groundwater at the above -referenced site, is present in the groundwater from the three sampled wells at levels ranging from 11 to 25 micrograms per liter (mg/Q. These PCE concentrations are significantly less than 720 ug/L, the acceptable concentration of PCE established by Fluor Daniel GTI for use of these wells for irrigation purposes only. The laboratory analytical report is attached to this correspondence. Please note that the sample identifications (IDs) on the laboratory report, Priv well 01, Priv well 02, and Priv well 03, correspond with the wells located at 368 Willow Street, 28 Leonard Street, and 15 Bellview Drive, respectively. Please do not hesitate to call me at (617) 769-7602 ext 380 with any questions regarding these results. Sincerely, Fluor Daniel GTI, Inc. r Nancy Nevins Site Manager Ol,^ cc: Debi J. Geyer, Textron Inc. p5flnallteatmnlmanstieldlletlers107l697.let 100 River Ridge Drive / Norwood, MA 02062 USA (617) 769-7600 FAX (617) 769-7785 r — — — I I I I I I I I I I I I I Private Irrigation Well Use Decision Flow Chart Does resident desire to use private well? Yes 1 Contact Scott Leite, the Mansfield Health Agent No Does residen No agree to use well for Irrigation ourooses only? Yes Sample the well, / Does \ concentration o PCE exceed cleanup level of � 720 ppb? d Design, install and test appropriate treatment system and continue use of well. Resample system effluent at a future date. Does Yes Inspect, adjust and test treatment system and continue use t, of well. II. Well ban remains in place. Well ban remains in place. Use well for irrigation purposes only. Continue use of well. Resample at future date. I s tion of ceed evel of pb? nue well. p: \c o p p o I I n\ h g d at a\p r I vat e. c his NEI/GTEL E N V I R O N M E N T A L _ L A B O R A T O R I E S, I N C. Northeast Region Meadowbrook Industrial Park Milford, NH 03055 (603)672-4835 (603) 673-8105 (FAX) July 10, 1997 Nancy Nevins Fluor Daniel GTI, Inc. 100 River Ridge Rd Norwood, MA 02062 RE: NEI/GTEL Client ID: Login Number: Project ID (number) Project ID (name): Dear Nancy Nevins: 011060521 M7070062 011060521 Textron Mansfield, MA Enclosed please find the analytical results for the samples received by NEI/GTEL Environmental Laboratories, Inc. on 07/08/97 under Chain -of -Custody Number(s) 67245. A formal Quality Assurance/Quality Control (QA/QC) program is maintained by NEI/GTEL, which is designed to meet or exceed the EPA requirements. Analytical work for this project met QA/QC criteria unless otherwise stated in the footnotes. This Analytical report shall not be reproduced except in full. GTEL is certified by the State of Massachusetts under certification # M-NH011. If you have any questions regarding this analysis, or if we can be of further assistance, please call our Customer Service Representative. Sincerely, NEI/GTEL Environmental IV Guy Sylvester General Manager Laboratories, Inc. ANALYTICAL RESULTS Volatile Organics NEI/GTEL Client ID: 011060521 Login Number: M7070062 Project ID (number): 011060521 Project ID (name): Textron Mansfield, MA NEI/GTEL Sample Number M7070062-01 Client ID PRIV WELL 01 Date Sampled 07/07/97 Date Analyzed 07/08/97 Dilution Factor 1.00 Method: EPA 601 Matrix: Aqueous Reporting Analyte Limit Units Concentration: Di.cmdrodif.l.uoromethane 5.0: u 0 Chloromethane 2.0 ug/L < 2.0 Vinyl 1,0 0, Bromomethane 2.0 ug/L < 2.0 Chlbroethaile: Trichlorofluoromethane 1.0 ug/L < 1.0 1.0 uglL, 1.0 Methylene Chloride 1.0 ug/L < 1.0 1,1-Dichloroethane 1.0 ug/L < 1.0 : Chloroform 1.0 'L. 1.1,1-Trichloroethane 1.0 ug/L < 1.0 Carborr:Tetrachtoritle 1'0 o 1.2-Dichloroethane 1.0 ug/L < 1.0 A.0 3.7 1,2-Dichloropropane 1.0 ug/L < 1.0 BromodiChlbromethane 1.0 ugA 0 2-Chloroethyl vinyl ether 1.0 ug/L < 1.0 cis-I:,.3.TDJchT.6rap, ropene].1.0L < 1,0 trans-1.3-Dichloropropene 1.0 ug/L < 1.0 1, 2.0 2,0 Tetraworoetkene 1.0 ug/L 25. Di bromoch 146m4tWe 1.0 Chlorobenzene 1.0 ug/L < 1.0 Broffloform: 2.0 'L 2.0 1,1,2,2-Tetrachloroethane 1.0 ug/L < 1.0 1,3-pithlorobenzene 1,0 Ug/L: J.0 1.4-Dichloroben I ze I ne 1.0 ug/L < 1.0 1,2-bichlorob4nzene 1.0 ug h < IA Notes: Dilution Factor Dilution factor indicates the adjustments made for sample dilution. EPA 601: "Test Procedures for Analysis of Organic Pollutants". Code of Federal Regulations, 40CFR Part 136, Appendix A. Analyte list may be modified to include additional compounds. GTEL Milford, NH M7070062 Page: 1 ANALYTICAL RESULTS Volatile Organics NEI/GTEL Client ID: 011060521 Login Number: M7070062 Project ID (number): 011060521 Method: EPA 601 Project ID (name): Textron Mansfield, MA Matrix: Aqueous NEI/GTEL Sample Number M7070062-02 Client ID PRIV WELL 02 Date Sampled 07/07/97 Date Analyzed 07/08/97 Reporting Dichlorodifluoromethane 5.Q ug/L < 5.0 Chloromethane 2.0 ug/L < 2.0 Vinyl ,chloride;ugfL Bromomethane 2.0 ug/L < 2.0 Chloroethane Trichlorofluoromethane 1.0 ug/L < 1.0 1,1 Dichloroethene 1,D ugfL < l.0 Methylene Chloride 1.0 ug/L < 1.0 1,2-Dichloroethene l,l-Di 1.0 ug/L < 1.0 Chloroform 1.0 ;,ugfL < l.fl 1.1,1-Trichloroethane 1.0 ug/L < 1.0 Carbon Tetrachloride 1.D ug/L 1,2-Dichloroethane 1.0 ug/L < 1.0 Trichlloroethene 1.0 uglL 2 1 1,2-Dichloropropane 1.0 ug/L < 1.0 Bromodichloromethane 2-Chloroethyl vinyl ether 1.0 ug/L < 1.0 -- cis 1 3-DicYlo oprapene;ug.L < l,Q trans-1,3-Dichloropropene 1.0 ug/L < 1.0 1,112-Trichloroethane 2.D ug/L Tetrachloroethene 1.0 ug/L 11. Dlbromochloromethane 1.0 jug/L < 1,Q Chlorobenzene 1.0 ug/L . < 1.0 Bromoform 2.Q ug/L < Z.0 1,1,2,2-Tetrachloroethane 1.0 ug/L < 1.0 1,3-07chlorobenzene 1,0 ug/L < 1.0 . 1,4-Dichlorobenzene 1.0 ug/L < 1.0 a �'-nr.htnrnhan'oono l n d0o/f .. < 1 D -- - - Notes: Dilution Factor: Dilution factor indicates the adjustments made for sample dilution. EPA 601: "Test Procedures for Analysis of Organic Pollutants", Code of Federal Regulations. 40CFR Part 136, Appendix A. Analyte list may be modified to include additional compounds. GTEL Milford, NH M7070062 Page: 1 ANALYTICAL RESULTS Volatile Organics NEI/GTEL Client ID: 011060521 Login Number: M7070062 Project ID (number): 011060521 Project ID (name): Textron Mansfield, MA NEI/GTEL Sample Number M7070062-03 Client ID PRIV WELL 03 Date Sampled 07/07/97 Date Analyzed 07/08/97 Method: EPA 601 Matrix: Aqueous Reporting Analyte Limit Units Concentration: Dichlorodifluoramethano 5.0 ugIL < 5.0 -- Chloromethane 2.0 ug/L < 2.0 vinyl chloride 1.0 uglL < 1.0 Bromomethane 2.0 ug/L < 2.0 chi oraethane 1.0 ug/L < 1.0 -- Trichlorofluoromethane 1.0 ug/L < 1.0 1,1 Dichloroethane 1.0 ugtL 1,0 Methylene Chloride 1.0 ug/L < 1.0 1,2 Dichloroethane (total',) 1.b 1g/L l,l-Dichloroethane 1.0 ug/L < 1.0 Chloroform 1.0 ug/L < 1.0 1,1,1-Trichloroethane 1.0 ug/L 2.6 Carbaa Tetrachloritle 1.fl uglL 1,2-Dichloroethane 1.0 ug/L < 1.0 Trichloroethene 1.0 ug/L 1,1 1,2-Dichloropropane 1.0 ug/L < 1.0 Bromodichloromethane 1.0 ;uglL < 1.0 2-Chloroethyl vinyl ether 1.0 ug/L < 1.0 cis,l3 OichloY?opropene _ 1.0 ugfL < 1.0 -- trans-1.3-6ichloropropene 1.0 ug/L < 1.0 1,1,2+Trichloroethane 12,0 Ug/L < 2.0 Tetrachloroethene 1.0 ug/L 13. Dibromochloromethane 1,0 ug/L < 1.fl Chlorobenzene 1.0 ug/L < 1.0 Bromofarm 2.0 uglL < 2.0 1,1,2,2-Tetrachloroethane 1.0 ug/L < 1.0 1,3-D chlorobenzene 1.0 uglL < 1.0 i - 1,4-Dichlorobenzene 1.0 ug/L < 1.0 1,2-Dichlorobenzene L 0 ;ug/L < 1.-0 Notes: Dilution Factor: Dilution factor indicates the adjustments made for sample dilution EPA 601: "Test Procedures for Analysis of Organic Pollutants", Code of Federal Regulations. 40CFR Part 136, Appendix A. Analyte list may be modified to include additional compounds. GTEL Milford, NH M7070062 Page: 1 ❑ AIIAgoe88 ❑ tuiod gS8IJ ❑ 6l!Alsouo0 C� ❑ peal olue610 o _ --�- ❑ 00 L 9 ❑ IZbL ❑ OZbL ❑ L'OOZ ❑ 9'6EZ ea P l w J — Ol1S 0 O ll seta W WVO m rn ro } ❑ VHOH O lVl ❑ tuetnpod Ltuoud -sletaW Vd3 NLO d" ❑ CPOH ❑ tsad ❑ VOA-IwaS O VOA ❑ sletaW d131 L•- . C•'a) ❑ saplalgiaH O sGONSad ❑ sletaW XOi d3- ', v ❑ OLE9 ❑ Ol9 Vd3CO - ❑ (SZ+) S9N ❑ WitOL69 ❑ 1dd1909 Vd3 v 1:1(9l+)S13N ❑IViOag❑lddPoZ9 Vd3 ❑ 6luo 9Od O 0808 O 909 Vd3 -6 C) ❑ OZO9 Vd3 ❑ Z09 Vd3 C)� ❑ OLOB tld3p, L09 Vd3 � n, j O pt\ � �. Y ❑ Z'Z09 Vd3 O ['009 Vd3 0 R ❑ b09 dq dOSO O P09 Lq 90] ¢ 3 ir 3 ¢ (r y y ❑ E09 WS ❑ 1'91b HIIHdl ` ❑ C09 WS ❑ Z'ELb ❑ CEIb asea10 PUB pO IS 0 Q ❑ (SIOWIS) aipad uogieaap6H i- F- F= 2 Q ❑ ueaioS ❑ Iasal0 ❑ seO OIdIOJ suogteamP6H Q Z ❑ 381W Om O OIdl01d suogteowp6H SUMMS F t ; U Q ❑ 391W Qm ❑ OZ08 ❑ MWX318 � w o ❑ Q. 3WIl ` '3 R,_ti N o._v E y ¢ Y �� 31VO O UCc z (n tl3 dG) rr a , .` ti>�l ,O Fw- a 03Ae3S3edNn t y of ¢ 101 ti y �ONH W W X IOH H3H1O Z Q 1 '-�• O + a : K ionaoud t' Q �`- Z HIV = LOW i t ,-� �Ios CC z 00 r H31VM m. r Mcq m V ak o d a siauletuoO # m M p¢ 00ca J t ¢ a u m in-� °' z cJ m O 7 ¢ 0- coo ���� V T m -�; V,� ,41 �i.r Cp .. J .� �✓ �� III > w�� 5 E U "❑ �•EW'� �f U J W O C 0 d .ro m c9 U° 0 m Ir m �. m c¢7 owa J ❑❑❑ El w W qi �, a ❑ o 0 er 2 EEO a > m EE Q co v w crr V Et El w a a.... m d010' a m m tm ❑ U� �. .> 07/01/98 11:51 %P781 769 7992 FLUOR DANIEL GTI 001,1007 FLUOR DANIEL GTI 100 River Ridge Drive, Norwood, MA 02062 TEL: (781) 769-7600 FAX: (781) 769.7992 To; 'SCOAA— t z6k--Q FAX No: 15 0 C6 ?Co 12Ay From: Date: Message: Total pages jagLgding cover sheet:_ Y1til� Q.u- i �So✓ 1�acw e c�� C rc_.% _" WL--e w� C " wte'" It3 �S�I'7r9��l��7 enf 3�c� -pis facsimile message ;s confidential. It may coritain inrta nation that is privileged or subject to other confidentiality requirements and exornzdone from disclosure under applicable law. it IS imendao sdley for the use of the individual(a) 'o '•mom it Is sociresseq. '!f you are not the Intended reopienl(e) or the person resport_ibte to deliver k to the Intended raproiem(sl, '!ou are no eoy �avlsao that am gissEmicadon, distribution. or =Wng cf this communication is prohibited. f •fqu have receiVee :':a facsimile rnad;929a in error• please immedatery nodN 71e swtoer Sy meonone. collect, and .!earn ore cngtnal rnessace m the sander by U.S. Mail. postage an the rotUmed fa®mde trutsmrssioms "ll be rctumod. TOWN OF MANSFIELD, MASSACHUSETTS 154O West 24 t, Mansfield, MA 02048 (P Patir. ,ern, FAX COVER SHEET TOWN OF MANSFIELD BOARD OF HEALTH Date: �`�-`/b Time: �a-(�yk7 '7 From: Town of Mansfield Phone: 508-261-7366 Board of Health Fax: 508-261-7343 Six Park Row Mansfield, MAC �02048 To: �u l n S Type of Form � I(IIISS FA No of pages: (Incl. cover sheet) Message: May 18, 1998 07/01/98 11:54 V781 769 7992 FLUOR DANIEL GTI Z006/007 Lester W. & Frances Pilkington 384 South Main Street Mansfield, MA 02048 Scott Leite Health Agent 6 Park Row Mansfield, MA 02048 Lee M. Azinheira Town Engineer 3Town 0 We6ic+R �p (p NG K & r Mansfield, MA 02048 Richard Lewis Conservation ggant 4:ewn-Hatl-- (o Parll�- -t�Oj+Vest-Street.—. Mansfield, MA 02048 James McGovern U.S. Congressman 1 Park Street Attleboro, MA 02703 Meredith Holford Reporter Assigned to site Mansfield News P.O. Box 109 Mansfield, MA 02048 Ja6(tj D1A6o,,-`sr lND Willramf-.4miarns_ Town Manager 6 Park Row Mansfield, MA 02048 William lbtadert- Chair Board of Selectmen 6 Park Row Mansfield, MA 02046 IaNti1>(ZD`/cG Board of Selectmen 6 Park Row Mansfield, MA 02048 Norman Mahone D Board of Selectmen emu— 6 Park Row Mansfield, MA 02048 Town of Mansfield Public Library 255 Hope Street Mansfield, MA 02048 Norman & Jacqueline Corliss 309 South Main Street Mansfield, MA 02048 Michelle Daley and Jeffrey Harden 320 South Main Street Mansfield, MA 02048 Arthur M. O'Neil Police Chief 50 West Street Mansfield, MA 02048 Lance Lawson Traffic Officer Town Hall 50 West Street Mansfield, MA 02048 Walter and Madeline Collins 348 South Main Street Mansfield, MA 02048 Edgewood Church of Christ P.O. Box869 26 Edgewcod Street Mansfield, MA 02048 Emery & Joan Visconti 23 Bellview Drive Mansfield, MA 02048 Ed Sliney, Fire Chief Fire Department 291 North Main Street Mansfield, MA 02048 Barbara Hyland State Representative State House, Room 436- S41 ti Boston, MA 02133 Kevinnar State Seriator ((�e2t1f/ITY4710� State House, Room 5448- 5 qq A Boston, MA 02133 Daniel Clifford DPW Director /� Town a �Q 4 /� G R X- ge- Mansfield, MA 02048 !4U l t� efia�G Board of of Selectmen 6 Park Row Mansfield, MA 02048 Amos Robinson Board of Selectmen 6 Park Row Mansfield, MA 02046 Clara and John King 2 Bellview Drive Mansfield, MA 02048 Stephen & Brenda Gannon 24 Bellview Drive Mansfield, MA 02048 Jane & Eugene Black 28 Bellview Drive Mansfield, MA 02048 Charles & Caroline Norton Roderick & Mary Jackson 11 Geneva Street 27 Bellview, Drive 32 Bellview Drive Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 07/01/98 11:53 $781 709 7992 FLUOR DANIEL GTI i32( 5 0"",V\O- C�trsrboNS Francis& Manta Aiohsr Anthony J. & Irene 0, Copparini 11 Leonard Street 19 Bellview Drive Mansfield, MA 02048 Mansfield, MA 02048 Edward & Margaret Ellis 14 Leonard Street Mansfield, MA 02048 John & Cheryl Reardon 15 Leonard Street Mansfield, MA 02048 Kenneth & Carol Junkins 19 Leonard Street Mansfield, MA 02048 James J, & Kathleen M. Kane 20 Leonard Street Mansfield, MA 02048 Donegan Family 28 Leonard Street Mansfield, MA 02048 Donald B. & Rita M. Dillon 255 South Main Street Mansfield, MA 02048 -Russslld.-Theresa-8eoffrey- 295 South Main Street Mansfield, MA 02048 James J. & Linda Linehan 298 South Main Street Mansfield, MA 02048 Mary J. Dafile 343 Willow Street Mansfield, MA 02048 John & Pauline Armstrong 347 Willow Street Mansfield, MA 02048 John S. & Beth A. Bracken 351 Willow Street Mansfield, MA 02048 Nicholas A. & Francis Zueohero 355 Willow street Mansfield, MA 02048 e>t& Etta�k-. Young 25 Edgewood Street Mansfield, MA 02084 Thomas A. & Barbara Manley 345 South Main Street Mansfield, MA 02048 Donald F. & Rhonda Lovely 353 South Main Street Mansfield, MA 02048 Joseph M. & Althea Sankey 363 south Main Street Mansfield, MA 02048 0 005/007 Jvla1 wen 381 Willow Street Mansfield, MIA 02048 Derek W. & Susan M. Price 387 Willow Street Mansfield, MA 02048 `R'-tI`i 395 Willow Street Mansfield, MA 02046 Brian & Lyn A. Pickhover 396 Willow Street Mansfield, MA 02048 Priscilla A. Douglas 24 Leonard Street Mansfield, MA 02048 derfiy-D-&-Deborah-LL-<td2ri1- 304 South Main Street Mansfield, MA 02048 John & Debra Fullerton 319 South Main Street Mansfield, MA 02048 4ar'tasident- 335 South Main Street Mansfield, MA 02048 Joseph 0. & Sharon Mullin 371 South Main Street Mansfield, MA 02048 JUkn VvMbo(ZZ e' GrlbCt �UniMe(LGnr( Stephen & Anne Marie Kennedy Beuglaam_eGy- Wct4�es Nancy C. kktiK-S 299 South Main Street 370 South Main Street 381 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 07/O1/98 11:59 Robert & Diane E. Martin 18 Barbara Road Mansfield, MA 02048 Theodore & Maria Chingras 29 Leonard Street Mansfield, MA 02048 Mark E. & Colleen A, Bowes 3 Leonard Circle Mansfield, MA 02048 '0781 769 7992 FLUOR DANIEL GTI Lawrence Jackson 357 Willow Street Mansfield, MA 02048 David & Donna COrelop 1 Beliview Drive Mansfield, MA 02048 Timothy P. & Jacqueline Hernon 4 Leonard Circle Mansfield, MA 02045 Gary S. & Eileen C, Belastock 7 Leonard Circle Mansfield, MA 02048 Basil T. & Joanne Vegias 8 Leonard Circle Mansfield, MA 02048 George & Diana Dern 6 Leonard Street Mansfield, MA 02048 Joanne Harrington 3 Leonard Street Mansfield, MA 02048 Joseph S. & Patricla Phillips 7 Leonard Street Mansfield, MA 02048 4=eo-G-&-Pamela.l.-goyle- 5 Beliview Drive Mansfield, MA 02048 Glenn & Pamela Dwyer 6 Bellview Drive Mansfield, MA 02048 Dwane Smith and Susan Donovan 9 Beliview Drive Mansfield, MA 02048 Lester W, & Irene A. Dwyer 10 Beliview Drive Mansfield, MA 02048 Robert & Barbara Wainwright 14 Bellview Drive Mansfield, MA 02048 Hubert E. & Verna T. Buote 15 Bellview Drive Mansfield, MA 02048 Gertrude Brown & Edward & Ellen Wagner 23 Fisher Lane Mansfield, MA 02048 0 004/007 Michael J. & Linda MQ$heffrey 1 Leonard Circle Mansfield, MA 02048 Mildred Joseph 361 Willow Street Mansfield, MA 02048 362 Willow Street Mansfield, MA 02048 Kenneth & Diane McCune 364 Willow Street Mansfield, MA 02048 Brenton & Eleanor Miller 360 Willow Street Mansfield, MA 02048 411 lova-4" G-,d Gretchen B. Elliot 367 Willow Street Mansfield, MA 02048 Stephen & Gloria Penesis 368 Willow Street Mansfield, MA 02048 Raymond Jr. & Barbara McCulloch 373 Willow Street Mansfield, MA 02048 Anthony R. & Anna Cartons We Willow Street Mansfield, MA 02048 Robert A. & Anne M. Brown Arthur & Rose A. Kovioh Marion Berube 10 Leonard Street 20 Beliview Drive 360 Willow Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 07!01!98 11:54 n y nne mt 7 Geneva Street Mansfield, tvlA 02048 Rocco & Kathleen Grasso (3 Parker Street Mansfield, MA 02048 V781 769 7992 FLUOR DANIEL G'TI Paul & Carol Burke 31 Bellview Drive Mansfield, MA 02048 James & Shirley Thibault 10 Geneva Street Mansfield, MA 02048 M42.T1N 4 THKaq FL#14WY Basil & Barbara Bantumba 8 Geneva Street 419 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mr. and Mrs, Orton 348 Willow Street Mansfield, MA 02048 Jeffrey J. & Billie Siena 364 South Main Street Mansfield, MA 02048 Thomas Wilson 437 South Main Street Mansfield, MA 02048 Me. Debi Geyer Textron Inc. 40 Westminster Street Providence, RI 02903 p: Vlj)4textrMni ansfi a I\p ha se iiipnail lint, is 3 LPL Ei uAf �lSf6 LF John C.-8�0wLa? 451 South Main street Mansfield, MA 02048 Barry and Susan Bershad 9 Geneva Street Mansfield, MA 02048 Sandra Martinelli 362 South Main Street Mansfield, MA 02048 Mr. Jamieson Schiff Textron Inc. 40 Westminster Street Providence, RI 02903 irtj007/007 Albert Sankey 36 Beliview Drive Mansfield, MA 0204E Jerome & Susan Spiezio 431 South Main Street Mansfield, MA 02048 Kathryn, William & Gary $echer 6 Geneva Street Mansfield, MA 02048 Eric & Mary Butler 395 South Main Street Mansfield, MA 02048 Norman S. & Geanine Parks 396 South Main Street Mansfield, MA 02048 Raberi8ri�t�sin=Pewws®_ 423 South Main Street Mansfield, MA 02048 Mr. Paul Wallach Hale & Dorr 1455 Pennsylvania Avenue, N.W. Washington, DC 20004 Fact, Stleet No. 4 June 1997 Former Gorham Silver Facility Site 340 South Main Street, Mansfield, Massachusetts Board of Health Approves Modification of Private Well Ban This Fact Sheet presents recently approved modifications of the private well ban which is in place in the Leonard Street area west and southwest of the former Gorham Silver site. As explained in Fact Sheet No. 3, the environmental study recently completed at the former Gorham Silver site concluded that use of the currently existing private irrigation wells in this area for irrigation purposes (watering the lawn, car washing) does not pose a risk to human health. Thus while the ban on the use of these wells for drinking water remains in effect, the Mansfield Board of Health has decided that the ban on the use of the wells for irrigation will be modified to allow for such use, but only if certain procedures are followed. If a resident desires to use irrigation well, they may do so after contacting the Mansfield Health Agent, agreeing to use the well Contact Does resident Yea Scott Leite, Does maiden desire to,use the Mansfield agree to use well private well? Health Agent ou�o sasaoimlv9 for irrigation purposes only, and participating in a sampling and evaluation program. The sampling program, which is presented in the diagram below, would be implemented by Fluor Daniel GTI (with oversight by a Site Professional licensed by the Massachusetts Department of Environmental Protection), on behalf of Textron Inc. In such cases the irrigation well would be sampled prior to use, and on a future periodic basis. If the levels of contaminants are within the acceptable levels established by Fluor Daniel GTI then the well could be used. If the contaminants exceed these levels, a small treatment system would be, installed on the private well, thus allowing use of the well. No costs would be incurred by the resident for participation in this sampling/treatment program, If you have additional questions, you may write or call Scott Leite (508-261-7366), the Town of Mansfield Health Agent. Well ban remains in place. , No Yes — — — Sample the well. D I Does contamination No exceed Use well for irrigation Resarn 9 at future established purposes only. date. acceptable Is Is I Yes I Does yes contamination exceed established I acceptable Design, install and test levels? I appropriate treatment system and continue use of well, I No Resample system at a future date. Continue use of well. Inspect, Does adjust and Yes contamination No test treatment exceed Continue system and established use of well, continue use acceptable of well. levels? i Former Gorham Silver Facility Site, Mansfield. Massachusetts fi 'ON JOatIS JaaJ ,91!S AJ!#Oe_4 JGAI!S WGgJOD aacuao_4 :ap!SUI 9tozo HW'plagsuelnl Mod{ ped 9 uawloalas io WOO ajenbsed,4desbP palsenbey uogoauoj ssaippy pue 6gipjemjoj 8bOZ0 b'W 'PlelisueW Mort NlBd 9 411BOH io PJeOB PlelisueW 99EL-19Z-809 8ti0Z0 b'W 'Plalisuevq MOB{ NJBd 9 lue6y gllBOH uMO I algal ;zoos 'luewiJedap gllesH agl le McIAOJ olignd Joi algellene osle aJe slJodej palelei-ells py 'Molaq UeAl6 Jagwnu euoyd pue ssaJppe ayi le lua6y ylleaH unnol plelisuelN aql elpm Jo ileo AeLu nog( 'salll^Iloe ails 6ulpJe6aJ suollsenb leuolllppe aneq noA ii uollemolul aaoW and Robert & Diane E. Martin Lawrence Jackson Michael J. & Linda McShef rey 10 Barbara Road 357 Willow Street i Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 David & Donna Curelop Mildred Joseph Mark E. & Colleen A. Bowes 1 Bellview Drive 361 Willow Street 3 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Leo G. & Pamela J. Doyle Thomas & Pauline Conti Timothy P. & Jacqueline Hernon 5 Bellview Drive 362 Willow Street 4 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Glenn & Pamela Dwyer Kevin & Kyle E. O'Connell Gary S. & Eileen C. Belastock 6 Bellview Drive 364 Willow Street 7 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Douglas A. & Vicki J. Scott Brenton & Eleanor Miller Basil T. & Joanne Veglas 9 Bellview Drive 366 Willow Street 8 Leonard Circle Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Lester W. & Irene A. Dwyer Gilbert & Gretchen B. Elliot George & Diana Dern 10 Bellview Drive 367 Willow Street 6 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James R. Burnett Stephen & Gloria Penesis Joanne Harrington 14 Bellview Drive 368 Willow Street 3 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Hubert E. & Verna T. Buote Raymond Jr. & Barbara McCulloch Joseph S. & Patricia Phillips 15 Bellview Drive 373 Willow Street 7 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Gertrude Brown & Edward & Ellen Wagner Anthony R. & Anna Carlene Robert A. & Anne M. Brown 23 Fisher Lane 378 Willow Street 10 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Arthur & Rose A. Kovich Marion Berube Francis & Paula Archer 20 Bellview Drive 380 Willow Street 11 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Anthony J. & Irene C. Copparini Malcolm E. Givens, Jr. Edward & Margaret Ellis 19 Bellview Drive 381 Willow Street 14 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Mary J. Dafile Derek W. & Susan M. Price John & Cheryl Reardon 343 Willow Street 387 Willow Street 15 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Donald & Pauline Paiva Vincent & Mary Ann Botti Kenneth & Carol Junkins 347 Willow Street 395 Willow Street 19 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 John S. & Beth A. Bracken Brian & Lyn A. Pickhover ✓ James J. & Kathleen M. Kane 351 Willow Street 396 Willow Street 20 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Nicholas A. & Francis Zucchero Priscilla A. Douglas 355 Willow Street 24 Leonard Street Mansfield, MA 02048 Mansfield, MA 02048 Anne Donegan Merle H. & Etta L. Young Jerry D. & Deborah L. Neth 28 Leonard Street 25 Edgewood Street 304 South Main Street Mansfield, MA 02048 Mansfield, MA 02084 Mansfield, MA 02048 Donald B. & Rita M. Dillon Thomas A. & Barbara Manley John & Debra Fullerton 255 South Main Street 345 South Main Street 319 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Russell & Theresa Geoffrey Donald F. & Rhonda Lovely Stephen & Patricia Holt 295 South Main Street 353 South Main Street 335 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 James J. & Linda Linehan Joseph M. & Althea Sankey Joseph D. & Sharon Mullin 298 South Main Street 363 South Main Street 371 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Stephen & Anne Marie Kennedy Douglas M. & Candace W. Bell Guntis & Nancy C. Reks 299 South Main Street 370 South Main Street 381 South Main Street Mansfield, MA 02048 Mansfield, MA 02048 Mansfield, MA 02048 Lester W. & Frances Pilkington William F. Williams Ed Siiney, Fire Chief 384 South Main Street Town Manager Fire Department Mansfield, MA 02048 50 West Street 291 North Main Street Mansfield, MA 02048 Mansfield, MA 02048 Scott Leite Joseph Pasquale - Chair Barbara Hyland Health Agent Board of Selectmen State Representative 50 West Street 50 West Street State House, Room 237 Mansfield, MA 02048 Mansfield, MA 02048 Boston, MA 02133 Robert Swanson Amos Robinson William Keating Town Engineer Board of Selectmen State Senator 50 West Street 50 West Street State House, Room 424 Manfield, MA 02048 Mansfield, MA 02048 Boston, MA 02133 Richard Lewis Ralph Penney Peter Biute, U.S. Congressman Conservation Agent Board of Selectmen 1079 Mechanics Tower 50 West Street 50 West Street 100 Front Street Mansfield, MA 02048 Mansfield, MA 02048 Worcester, MA 01608 Arthur M. O'Neil Douglas Ronald Meredith Hollord Acting Police Chief Board of Selectmen Reporter Assigned to Site 50 West Street 50 West Street Mansfield News Mansfield, MA 02048 Mansfield, MA 02048 P.O. Box 109 Mansfield, MA 02048 Lance Lawson Dianne Royle Traffic Officer Board of Selectmen 50 West Street 50 West Street Mansfield, MA 02048 Mansfield, MA 02048 o J J Textron Inc. 40 Westminster Street Providence, R.I.02903 October 11, 1994 401/421-2800 Mr. Gregg Hunt Acting Regional Engineer for Waste Site Cleanup Massachusetts Department of Environmental Protection Southeast Regional Office 20 Riverside Drive Lakeville, MA 02347 RE: Permit No. 82652 Transition Statement Gorham Silver Co. Mansfield-WSC/SA-4-0955 Dear Mr. Hunt: In response to your letter of July 12, 1994 Textron Inc. is returning the enclosed Trans- ition Statement for the former Gorham Silver Co. Site located at 26 Edgewood Street in Mans- field Mass. Textron Inc. has accepted the terms of the Transition Statement and will be designated as the Primary Representative. Textron is currently awaiting Mass. DEP review of our Data Evaluation Report and rec- ommendations for additional short term measures dated June 29, 1994. These recommendations include additional indoor air sampling of residences and would be part of the existing short term actions as approved by the DEP. Upon receiving approval from DEP to implement the additional actions, Textron will com- mence with the indoor air sampling. If Textron does not receive approval of these actions, Tex- tron will be prepared to conduct them as part an Immediate Response Action Site Assessment activity within the next 30 days. Your timely response to this letter will be appreciated. Very truly yours, Robert Brayley Manager Environmental Affairs Operations and Site Remediation RCB:cig cc: J. Schiff P. Wallach, Hale & Don G. Benson R. Bird, Groundwater Technology ! N. Ram, Groundwater Technology t S. Leite w/enclosure RCB431 Massachusetts Department of Environmental Protection Bureau of Waste Site Cleanup (BWSC) TIER I TRANSITION CLASSIFICATION AND PERMIT STATEMENT This Pennit is Issued to: El One Permittee wMore than One Pennittee* *A list of all Permiltees is attached. One Permittee: Name of Organization: Textron, Inc. Permittee Name: Richard A. McWhirthe^ Title: Senior Vice President Street: 40 Westminster Street Cityrrown: Providence State: RI Zip code: 02903 Telephone: (401) 421-2800 DEP Finding ConcerningTier Classification ❑ Transition Tier IA (BWSC04) LN Transition Tier B (BWSC05) This permit authorizes comprehensive remedial response actions at: Disposal Site Number: WSC/SA-4-0955 Disposal Site Name: Former Gorham Silver Company Street: 26 Edgewood Street/340 South Main Street CityiTown: Mansfield State: MA Zip code: 02048 Permit No. 82652 For DEP Use Only Effective Date: Expiration Date: The Permittee has 120 days from receipt of this Transition Permit to sign and submit the Transition Statement. This permit shall be effective upon the Department's receipt of the signed and dated Transition Statement. This permit shall expire 5 years from its effective date. Rev. 12 93 1 Pennit Conditions (1) All response actions conducted pursuant to this Tier I Permit shall comply at all limes with M.G.L. c. 21E, 310 CMR 40.0000, the terms and conditions of the permit and any other applicable federal, state or local law. (2) In every proceeding, the burden shall be on the Permittee to demonstrate compliance with the terms and conditions of a permit at all times. (3) Each Permittee shall comply with: (a) submittal of a Class A, B or C Response Action Outcome Statement within five years of the effective date of the permit, unless otherwise provided in the permit; (b) submittal of a copy of the signed and completed Transition Classification and Permit Statement to the Chief Municipal Officer(s) and the local boards of health for the communities where the disposal site is located. (a) notification in writing to the Department: 1. as required in 310 CMR 40.0500; 2. upon gaining knowledge of any technical, financial or legal inability to perform any necessary response action, in accordance with 310 CMR 40.0172; 3. upon a decision by a permittee who is performing response actions as an Other Person to not proceed as required by the permit; and 4. of any change in the LSP of Record for the disposal site no later than ten days after the effective date of such change through the filing of a Minor Permit Modification by the permittee in accordance with 310 CMR 40.0725; (d) compliance with: 1. all applicable submittal requirements, including but not limited to, scopes of work, Status Reports, Completion Statements, Phase Reports, and RAOs; 2. all requirements for record keeping and document retention, including but not limited to 310 CMR 40.0014, 310 CMR 40.0022 and 310 CMR 40.0023; 3. the Notification Regulations, 310 CMR 40.0300, in the event of discovery of a new releases located at the disposal site, threat of release or Imminent Hazard; 4. the management procedures for excavated soils and wastes and requirements for remedial air emissions set forth in 310 CMR 40.0030 and 310 CMR 40.0040; and 5. all public involvement activities required by 310 CMR 40.1400 through 40.1406; (a) inclusion of the Disposal Site Number and the permit number on documents submitted to the Department with respect to the disposal site; (I) certification of documents submitted to the Department as required by 310 CMR 40.0009; (g) evaluation of the need to perform Immediate Response Actions in accordance with 310 CMR 40.0400 as new or additional information about the disposal site is obtained; (h) modification or cessation of any response action as necessary to maintain compliance with any permit condition or to prevent an actual or potential threat to health, safely, public welfare, or the environment; (i) notification, orally or in writing, to the Department within seventy-two hours of obtaining knowledge of the need to modify or cease any response actions for the reasons in 310 CMR 40.0740(3)(h); provided that any such oral notification shall be confirmed by the pemmttee in writing within sixty days of such oral notice and any written notice shall include a Status Report prepared by an LSP; and timely remedialion of any adverse impacts to health, safety, public welfare or the environment that result from the performance of response actions; Rev. 12/93 0) at disposal sites where groundwater investigation is necessary, delineation of the vertical and horizontal extent of contamination, identification and confirmation of groundwater flow directions, identification of groundwater migration pathways, including but not limited to, the identification of possible partitioning of dissolved volatile organic compounds at the water table interface which may lead to vapor transport into subsurface structures, homes or other occupied or unoccupied buildings, and monitoring of groundwater wells, discharges and/or other monitoring points in a manner which provides for the timely development or representative information about conditions and changes in conditions at the disposal site; (k) acquisition of all required federal, state and local permits; 0) proper operation and maintenance of all treatment, storage, abatement or control systems and of all equipment required to continue or complete response actions; (m) authorization for personnel and authorized agents of the Department to enter, at reasonable limes and upon the presentation of credentials, any premises owned or controlled by the permittee for the purpose of investigating, sampling, or inspecting any records, conditions, equipment, practice or property relating to response actions at the disposal site, or protecting health, safety, public welfare, or the environment; and In) notification upon a change of the Primary representative in accordance with 310 CMR 40.0703(7), if one is designated. (4) A Tier I Permit does not grant any property rights or exclusive privileges, nor does it authorize any injury to private property or invasion fi property rights. Special Conditions: Special conditions, as set forth in Attachment A, are included in this permit. Each Permittee shall comply with these special conditions. 0 Yes Z No DEP Authorization Issued by the Department of Environmental Protection: Noma (Print): Lt2'�q M qQVJ Date of Issuance: gq Signature Notice of Appeal Rights Any person aggrieved by this permit decision may request an adjudicamry hearing within 21 days of the date of issuance (the postmark date of this Permit as described in 310 CMR 40.0008) of this permit, if the Department has imposed special conditions (as set forth in Attachment A) without the Pernittees consent or agreement, in accordance with 310 CMR 40.0050. Rev. 12. 93 Primary Representative and LSP Information Primary Representative (only applicable if there is more than one Permittee). For more than one Permittee, a Primary Representative can be designated and authorized. If you are designating a Primary Representative provide the following information: N Check if Primary Representative is also a Permittee. Name of Organization: Primary Representative Title: Street: City/Town: Pro-v Telephone: 7T-- Textron Inc. Primary Representative Certification: 1 certify under the penalties of law that I am fully authorized to act on behalf of all persons conducting response actions under this permit for the following purposes: a) to receive oml and written correspondence from DEP with respect to this permit; b) to receive oral and written correspondence from DEP with respect to the performance of response actions upon issuance of a Tier I permit; and c) to receive any statement of fee required by 310 CMR 4.03(3) under this Tier I permit. I am aware that there are significant penalties, including, but not limited to, possible fines and imprisonment, for wilfully submitting false, inaccurate, or incomplete information. Name (Print): Robert C. Bravlev Position or Title: nvirQnMQDfal Signature: Date: f Note: The Primary Repreaeantive for more 16an tine Pennine, will receive the onaml compliance murance fee emlament for the diepoml site. LSP Information Provide the following information if an LSP has been engaged or employed to submit LSP Opinions concerning response actions that were approved prior to October 1, 1993. Name (Print): Neil M. Ram Ph.D License Number: 6/99 Rev. 12/93 4 Transition Statements Note: Each Permittee must complete this section. For disposal sites with more than one Permittee, make copies of this section, have each Permittee complete this information, and then attach all copies to this Transition Permit. Check one of the following to indicate your response and then sign the appropriate paragraph (I through 3) and the Certification of Submittal: IN I accept the Transition Permit (sign "I") ❑ I do not accept the Transition Permit and 1 am attaching a Major Permit Modification application (sign "2") ❑ I do not accept the Transition Permit and 1 intend to conduct response actions which were approved by the Department prior to October 1, 1993. (sign "3-A") ❑ I do not accept the Transition Permit and I do not intend to conduct response actions which were approved by the Department prior to October 1, 1993 (sign "3-B"). 1. Tmnsition Permit Acceptance statement I agree to conduct all response actions pursuant to the terms and conditions of any and all Department approvals that are in effect as of October 1, 1993 as shown in Attachment Bl. I agree to conduct all future response actions at this disposal site which are not subject to an existing Department approval in accordance with this Permit and the provisions of 310 CMR 40.0000, including response actions with approvals pending on October 1, 1993 and subsequently approved and listed in Attachment B2. I believe that I have the technical, financial, and legal ability to proceed with response actions at this site in accordance with M.G.L. c. 21E, 310 CMR 40.0000 and other applicable requirements. I am aware of the requirements set forth in 310 CMR 40.0172 for notifying the Department in the event that I am unable to proceed with such response actions. Name (Print): Robert C. Brayley Position or title: t EIlV_ 1rp11(Ilel't` T. Signature: )� Date: I 2. Transition Statement (if not accepting Transition Permit and attaching Major Permit Modj/cealion application). I do not accept the enclosed Transition Permit, since the disposal site, in the Opinion of an LSP may be reclassified as Tier (Insert Tier IB, IC, or Tier 11, whichever is applicable). I am attaching a Major Permit Modification application pursuant to 310 CMR 40.0707. Name (Print): Position or title: Signature: Dale: 3. Transition Statement If not accepting Transition Permit and providing statement regarding julure response actions at the disposal site. 3-A. RPIPRP/Other Person Intends to conduct response actions approved by DEP prior to October 1 1993. 1 do not accept the enclosed Transition Permit, however, I intend to conduct response actions which were approved by the Department prior to October 1, 1993. 1 have attached and incorporated within this Statement a schedule for when this work will be completed and a Status Report indicating whether one or more Temporary and/or Permanent Solutions have been achieved or will be achieved at the disposal site, including an LSP Opinion regarding the completion of response actions to date and the response actions remaining in order to achieve a Temporary or Permanent solution at the disposal site. Name (Print): Position or title: Signature: Date: 3-B. RPIPRP/Other Person does not Intend. to conduct response actions approved by DEP Prior to October 1. 1993 I do not accept the enclosed Transition Permit and do not intend to conduct response actions including any response actions approved by the Department prior to October 1, 1993. 1 have attached an explanation of why I will not continue with response actions at the disposal site including, where appropriate, an explanation of any technical, financial, or legal inabilities that preclude me from undertaking response actions at the disposal site as outlined in 310 CMR 40.0172. 1 have attached and incorporated within this Statement, a Status Report indicating whether one or more Temporary and/or Permanent Solutions have been achieved or will be achieved at the disposal site, including an LSP Opinion regarding the completion of response actions to data and the response actions remaining in order to achieve a Temporary or Permanent Solution at the disposal site. Name (Print): Position or title: Signature: Date: Rev. 1293 Certification of Submittal (All recipients must sign the following certfication) I certify under the penalties of law that I have personally examined and am familiar with the information contained in this submittal, including any and all documents accompanying this certification, and that, based on my inquiry of those individuals immediately responsible for obtaining the information, the material information contained herein is, to the best of my knowledge and belief, true, accurate and complete. I am aware that there are significant penalties, including, but not limited to, possible fines and imprisonment, for wilfully submitting false, inaccurate or incomplete information. Name (Print): Robert C. Brayley Position or title: nVl ronmen a nQr . Signature: =e Date: SA 2 31 t i R Rev. 12/93 6 This Attachment will be completed by DEP ATTACBMENT A TO PERMIT NO.82652 Each Permittee shall comply with the following special conditions: OD Check here if not applicable to this permit. 7 This Attachment will be completed by DEP ATTACHMENT B TO PERMIT NO.82652 III. The following Department approvals were in effect as of October 1, 1993: ❑ Check here if not applicable to this permit. (1) A proposal entitled, "Work Plan for Additional Short Term Measure Tasks", prepared by Groundwater Technology, Inc., dated January 5, 1993 was approved by DEP on March 3, 1993. (2) Two (2) proposals entitled, "Short Term Measure Proposal", dated June 28, 1991 and "Short Term Measure Proposal Addendum", dated October 17, 1991 both prepared by Rizzo Associates, Inc. were approved by DEP on October 23, 1991. ' B2. The following response actions, which were pending as of October 1, 1993, and are now approved by DEP and in effect under this permit. VCheck here if not applicable to this permit. Textron Inc. 40 Westminster St, Providence, RI 02903 ATTN: Richard McWhirther Merrymount Associates c/o Federal Deposit Insurance Corp. (successor to Guaranty -First Trust Company) 1 Research Drive P.O. Box 5050 Westborough, MA 01581 ATTN: Peter Nelson List of Permittees 91