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Community environmental fact sheet PDF

8 Pages·1998·0.59 MB·English
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E/ioio.^; C js p\f\9f. May 1998 Community Environmental Fact Sheet OVERVIEW OF ENVIRONMENTAL CLEANUP UMASS/AMHERST AT THE MASSACHUSETTS MILITARY RESERVATION Introduction STATUS OF SITES MMR This fact sheet provides an overview of cleanup Investigations at the have identified 79 activities at the MMR. It is part of a series of fact potential environmental problem areas, known as sheets developed to address concerns about public sites. These sites were identified for further study, health and environmental risk issues associated with and, if necessary, cleanup. Investigation and the Massachusetts Military Reservation (MMR). The cleanup ofthe sites follows the standard Superfiind fact sheet series includes topics sugffVfRNMENJ rjQQjMEN 'omreoecte.ssO,fwthhiech79issidteess,cri1b9ehdaovne pbaegeen 2coomfpltehitsedfaocrt • Groundwater COLLECTION cleaned with regulatory concurrence and no further • Exposure action is needed; 21 have been completed or • Risk Assessment fAv 6 °> tin cleaned and are awaiting regulatory concurrence. • Public Health Assessment The remaining 39 sites are currently in the latter • Ecological Risk Assessme^jversity f MaSSachllSe titages of investigation. As part ofthe cleanup pro- • specific chemicals Depository Copy cess, 59,949 tons of contaminated soil have been Terms identified in bold are defined in the glossary. treated from these sites and 185 drainage structure locations have been removed and cleaned. History MMR The is located on the upper western part of MMR Cape Cod. It covers approximately 30 square miles The has been used heavily by many military and includes portions of the towns of Bourne, organizations dating back to the 1930s when the base MMR Mashpee, and Sandwich, Falmouth. The sits was first built. Aircraft runways, aircraft and vehicle over the recharge area for the sole source maintenance areas, landfills and firefighter training groundwater aquifer on which the towns rely for areas were often used for military purposes. These their drinking water supply. The aquifer, referred to activities required the use of petroleum products, as the Sagamore Lens, is a valuable water supply solvents, and other hazardous materials. Various resource. hazardous wastes also were generated onsite. It was AFCEE has a Community common practice for many years at the MMR, as it was at other military bases and industrial facilities Involvement program throughout the country, to dispose ofwastes in unlined to provide various landfills and drywells, to dump and burn them at opportunities for continued firefighter training areas, or to just dispose of them input and involvement. wherever convenient. In addition, pipeline breaks and accidental spills are known to have occurred at the WATCH FOR ANNOUNCEMENTS OF MMR. Today the generation, use, and disposal of UPCOMING hazardous materials is strictly managed and regulated COMMUNITY INVOLVEMENT ACTIVITIES. to protect the environment. This fact sheet was developed through a collaborative effort of the Air Force Center for Environmental Excellence (AFCEE), U.S. Environmental Protection Agency (EPA), U.S. Agency for Toxic Substances and Disease Registry (ATSDR), Massachusetts Department of Environmental Protection (DEP), Massachusetts Department of Public Health (DPH), Joint Program Office (JPO), and local officials. 1 1 MMR The was added to the U.S. Environmental submits a Record of Decision to the EPA. The Protection Agency's (EPA's) National Priority List in Record of Decision describes how AFCEE plans to 1989 as a result of contamination at the base. clean up the site. Upon acceptance by the ERA, a * Commonly known as "Superfund," the National notice is placed in local newspapers to inform the Priority List is a published list ofhazardous waste sites community ofthe cleanup decision. in the country that are of highest priority. The Next the cleanup system blueprints and associated Installation Restoration Program (IRP) is responsible plans are developed; this is referred to as Remedial for investigating and cleaning up contamination from Design (RD). Information about the design is past practices at Department of Defense sites. At the distributed to the community and construction of the MMR, the Air Force Center for Environmental final remedy begins as outlined in Remedial Action Excellence (AFCEE) manages the IRP. The EPA is (RA) documents. Once the system is up and running, responsible for ensuring the timely and effective MMR MMR. the project moves into the Operations and cleanup ofthe Superfund site by the The Maintenance (O&M) phase. During this phase, Massachusetts Department of Environmental review and updates take place, along with a Protection (DEP) is responsible for ensuring comprehensive evaluation of the system and site compliance with relevant state environmental performance every five years. regulations and standards. GROUNDWATER PLUMES The Superfund program specifically addresses hazardous waste releases resulting from practices As contaminants filter through the sandy Cape Cod discontinued before 1976. Current activities that may soil, they encounter groundwater. This can result in a affect the environment are not evaluated under groundwater plume (plume). To date, 1 Superfund. ThisMMisRwhy the environmental groundwater plumes have been identified that flow investigations at the are not all managed by the from the MMR. Many have moved beyond the base IRP. For example, the Massachusetts Army National boundary while some remain near their source area. Guard is responsible for an intensive investigation These groundwater plumes are in various stages of designed to determine what effects, if any, firearms study and cleanup. Table provides an overview of 1 training operations have had on the groundwater, the groundwater plumes, including the source of the soils, and sediments beneath the impact area. plume, the status of source treatment, the status of THE SUPERFUND CLEANUP PROCESS groundwater investigation, the contaminants in the plume, and the status ofplume cleanup. The Superfund process consists of several phases that Ofthe groundwater plumes, 1 1 lead to the ultimate goal of cleaning up the site and providing a safe environment for the citizens living 2 have active treatment systems in place near the site. Throughout the process, which is (FS-12, CS-4) outlined by Federal law and regulations, there is 2 have long-term monitoring programs in opportunity for local community involvement. place (Eastern Briarwood, Western First, a detailed study of the site is completed to Aquafarm) identify the cause and extent of contamination at the 3 recently went through the decision site and the possible threats to the environment and criteria process which resulted in a the people nearby. This study is known as a decision on how to treat each plume, and Remedial Investigation (RI). Next, if further action for each ofwhich systems are now being is necessary a Feasibility Study (FS) is prepared to designed (CS-10, Ashumet Valley, LF- develop the options for cleaning up the site. After the 1) RI and FS are completed, the information in the FS is used to develop and present a Proposed Plan, which 1 has an active system in the northern part is a fact sheet that describes the various cleanup of the plume, and went through the options under consideration and identifies the option decision criteria process for the southern preferred by AFCEE. If no further action is part ofthe plume (SD-5) recommended, a decision document is prepared and 3 are currently under investigation to distributed for public comment. The Proposed Plan is determine the extent ofcontamination. distributed to the public, public meetings are held to (FS-28, FS-1,FS-13) solicit input, and a public comment period is held. = Following the public comment period, AFCEE 11 The map in this fact sheet shows the groundwater foresee the need for permanent purchase of property, MMR. plumes and source areas at the Additional fact but believes that leases can achieve a satisfactory sheets describing the groundwater contamination and agreement for all parties. plumes in more detail also are available. Construction times may vary, depending on the Construction Activities in the nature of work required. All safety precautions will Community be taken during construction to protect human health and the environment. For example, geotextile fabric An element critical to the success of the cleanup of will be used to prevent rutting. groundwater plumes is access to the land located The public will be notified before construction above the crucial areas of contamination in the begins. Neighborhood notices will be issued in plumes. For those plumes that have migrated beyond advance. The property owner will be notified. Every the base boundaries, those areas may be public or effort will be made to avoid commuting hours, school private property, in rights-of-way, near recreation bus stops, seasonal activities such as nesting and areas, and on base property. The property may be hunting seasons, and to keep construction to regular required for installing monitoring, extraction, or daytime working hours. reinjection wells; laying piping, or installing recirculation wells. AFCEE has had exceptional cooperation to date from commercial, private, and public property owners. Before construction can begun, the appropriate Without their participation, the cleanup program property owners will be contacted by a real estate could not be at the point it is now. AFCEE looks agent for the Department of Defense. He will outline forward to working with the residents of Bourne, the exact needs for that property, how long the Falmouth, Mashpee, and Sandwich, property owners, property will be needed, and answer other questions and those who enjoy the Upper Cape, to continue the property owner may have. AFCEE does not cleanup progress. FOR ADDITIONAL INFORMATION MMR Additional information about the cleanup program at the is available on the program's website (http://www.mmr.org). The website includes a variety of information, including technical documents, meetings agendas and summaries, maps, glossaries, weekly reports, and news releases. It also includes links to other websites, including those ofEPA Region DEP, DPH, and ATSDR. 1, In addition, five local libraries house information repositories for the cleanup program. The libraries are: Falmouth Public Library Mashpee Public Library Jonathan Bourne Library 123 Katherine Lee Bates Rd Steeple Street 19 Sandwich Road Falmouth, MA 02540 Mashpee Commons Bourne, MA 02532 MA (508) 457-2555 Mashpee, 02649 (508) 759-0644 (508)539-1436 Sandwich Public Library US Coast Guard Library 142 Main Street Building 5205, Ent Street Sandwich, MA 02563 Otis ANGB, MA 02542 (508) 888-0625 (508) 968-6456 The Administrative Record, which is a public record of all documents used in decision-making, is available for review at the Falmouth Public Library or by contacting the IRP Office at (508) 968-4678. 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OCOO fQi0n3e npletee£st?igation/ 9O£7-)98 j < 5 5 ^ CN _ i o _ m 5 "~ LlT ~"~ Q co ,-rr S CO Si| ro i2 "rSo *r-o» uijei(louT o(_ Hc(1m3, •a solven detect ns solven detect ns E solven ns cto romide lene lylenelene LU 711 .a Q. dib -<CID E catcoed c-n™aallytrcfoatfilo at£Ce=d cTam3llytrcatio C a•tcced trcatio E ne roOethy o"roFeth roOethy ec "0 1I^O aco oo C:hJlo pcoor; oOne u:hlo oOne u_ ethyltrichi percldichl tolue 2, a pool in yard storageformer training the area ditch likely sources entering Fuel Dump leak at Gas motor Aquafarm/firefight of Test andoned ipeline. c ng and hter ties trainingSD-5 base drainage on AS) er tsorage rmed p c Western Unknown, ab Leaki tanks firefig activi' er and drainage variety on into ditches Aviati (AVG Valve Site Form- and Confi an fuel Z.c*): of of of rwood * estern uafarm astern a CO1 CS-4 partSouthwest Operable Unit (SWOU) S-13 art WOU S-28 art WOU U_ Q.00 u- Q-CO < CO | 1 FOR MORE INFORMATION AFCEE Community Joint Program Office EPA Community ATSDR Involvement Office Barbara Larcom Involvement Louise House Vanessa Musgrave (508) 968-5824 Johanna Hunter (508) 968-4362 (508) 968-4678 (617)565-3425 U.S. Army National Massachusetts DEP Massachusetts DPH Guard Impact Area Community Mari Cooney Groundwater Study Involvement (508) 968-4364 Office Ellie Grillo Don Consolmagno (508) 946-2866 (508)968-5821 Glossary aquifer: an underground geological formation proposed plan: a document that summarizes the containing usable amounts ofground water that can preferred remedial action for a site and presents the supply wells and springs. rational for the preference. benzene: a major industrial chemical made from recharge area: an area of land where there is a net coal and oil, it is to manufacture other chemical annual transfer ofwater from the surface to compounds, and is a component ofgasoline. groundwater; where rainwater soaks through the earth to reach an aquifer. decision criteria process: a public decision-making process used by the Air Force, EPA, and DEP at the recirculating well technology: a process for MMR to measure, compare, and evaluate plume capturing, treating, and releasing groundwater within response alternatives against specific criteria. the same well. The process is not expected to adversely affect the water table. ethylene dibromide (EDB): a man-made additive that was formerly used in aviation gasoline to control remedial investigation (RI): an investigation to the build-up of lead in engines. gather and analyze the data necessary to determine the nature and extent ofcontamination at a site. extraction, treatment, and reinjection (ETR): a system that extracts groundwater, treats it to reduce sites: the location where contaminant or or eliminate contaminants and reinjects the treated contaminants enter soil, water, air or sediment. water into the aquifer. SWOU Southwest Operable Unit (SWOU): the Feasibility Study (FS): a report that identifies and encompasses an area that includes screens potential cleanup alternatives for a site that investigation/remediation ofthree plumes, FS-28, requires further remedial action. FS-13andCS-4. groundwater plume: a concentration of trichloroethylene (TCE): a man-made solvent used contaminants in groundwater exceeding safe to dissolve or disperse another substance such as oil drinking water standards, usually extending from a and is often used in metal degreasing. A distinct source. groundwater plume is defined by multiple samples from multiple wells. perchloroethylene (PCE): also referred to as tetrachloroethylene; a man-made solvent commonly used for metal degreasing and in dry cleaning clothes.

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