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Home My WebLink About0098 MARIE-ANN TERRACE - Health 98 Marie-Ann Terrace A= 188- 137 Centerville r SMEAD No.2-153LOR UPC 12534 smsed.com • Made In USA (.O qw-� NN:l OIROi11ESiliROGRAM scu�lem WWWWWROORA11tM BARNSTABLE COUNTY HEALTH AND ENVIRONMENTAL DEPARTMENT s �•. SUPERIOR COURT HOUSE t) y hj BARNSTABLE, MASSACHUSETTS 02630 AlA S'j PHONE:362-2511 LAB 337 BARNSTABLE COUNTY HEALTH & ENVIR. DEPT. DATA INQUIRY REQUEST STARTING 01/01/80 AND ENDING 10/04/93 INQUIRY REQUESTED BY BARNSTABLE BOARD OF HEALTH ON OCTOBER 4 , 1993 SAMPLE LOCATION (NUMBER, STREET) DATE ANAL. METHOD 67 MARIE ANN TERRACE CENTERVILLE 09/12/91 EPA 502.1/503 *** NO COMPOUNDS DETECTED *** 85 MARIE ANN BARNSTABLE 09/24/91 -EPA 502.1/503 *** NO COMPOUNDS DETECTED *** 98 MARIE ANN TERRACE BARNSTABLE 09/19/91 EPA 502.1/503 1 ,1 ,1-Trichloroethane 7 .7 PPB 62 MARIE ANN TERRACE BARNSTABLE 09/19/91 EPA 502.1/503 *** NO COMPOUNDS DETECTED *** 98 MARIE ANN TERRACE BARNSTABLE 01/15/92 EPA 502.2 1 , 1 , 1-Trichloroethane 13.0 PPB 1 , 1-Dichloroethane 0 .5 PPB 144 DEBBIE' S LANE BARNSTABLE 11/21/91 EPA 502. 1/503 Chloroform 7 .3 PPB 155 DEBBYS LANE BARNSTABLE 12/19/91 ` EPA 502.1/503 *** NO COMPOUNDS DETECTED *** 57 DEBBIES LANE BARNSTABLE 03/31/92 EPA 502.2 Chloroform 3.4 PPB TOTAL SAMPLES REPORTED ON IS 8 OF H'q�it, BARNSTABLE COUNTY z DEPARTMENT OF HEALTH, HUMAN SERVICES AND THE ENVIRONMENT �r SUPERIOR COURT HOUSE BARNSTABLE,MASSACHUSETTS 02630 Phone:(508)362-2511 Ea.330 Public Administration 33 A P. O. BOX 427 Environmental Health 383 Water Ouslity Analysis 337 Human Services 330 TDD 362-5885 October 7 , 1993 J Mr. Donna Miorandi Health Inspector Barnstable Board of Health Town Office P 0 Box 534 Hyannis MA 02601 Dear Ms. Miorandi: Enclosed is the information which you requested in your October 4th letter to George Heufelder. I hope this will be helpful to you. If you have any further questions , please do not hesitate to call . Sincerely, udith Johnson /JJ Enclosure r L 7�7 Z J J�e4�� G�e- 4 � 3 rpG, I,1 I�v F i - r tv- f. 7 � 1 S BARNSTABLE COUNTY HEAL'— AND ENVIRONMENTAL DE AR'�.,ENT LABORATORY REPORT VOLATILE ORGANIC CHEMICAL ANALYTICAL RESULTS Client : ELLEN CLARK Collection Date: 01/15/92 Mailing Address : 98 MARIE ANN TERRACE Date of Analysis :01/15/92 CENTERVILLE r'- - �-T! e of Supply: WELL tl_ _Well Depth (FT) : Not Given Telephone: Sample Location: 98 MARIE `ANN jrflF�`A? LAT. (DDMMSS) : Not Given CENTERVILLE ` LONG. (DDMMSS) : Not Given Collector: C STIEFEL Map/Parcel : Affiliation: BCHD, Analytical Method: 502 . 1=1 , .ZQ ;--5,03-.-I=-3;504=4 , 524 . 1=5, 524 .2=6 , 502 .1/50'3=7 Contaminants Anal . Result MCL Detection Detected Meth. ug/l ug/1 Limits (ug/1) -- -------------------------------------------------------------------- 1 , 1 Dichloroethane 2 0 . 5 0 . 5 1, 1 , 1 , Trichloroethane 2 13 . 0 200.0 0 . 5 Only those compounds listed above were detected. Attached is a list of compounds for which this sample was analyzed. NOTE: Contaminant levels equal to or exceeding the Detection Limits are reported. MCL means Maximum Contaminant Level for EPA-regulated compounds . (ug/l = micrograms per liter = Parts Per Billion) The Environmental Protection Agency has set Maximum Contaminant Levels (MCL) for the following compounds . This sample compares as follows : COMPOUND MCL (in PPB) Benzene 5.0 * level not exceeded * Carborf Tetrachloride 5.0 * level not exceeded * 1 , 2-Dichloroethane 5.0 * level not exceeded * 1 , 1-Dichloroethene 7 .0 * level not exceeded * 1 , 4-Dichlorobenzene 75 * level not exceeded * 1 , 1 , 1-Trichloroethane 200 * level not exceeded * Trichloroethene 5.0 * level not exceeded * Vinyl Chloride 2 . 0 * level not exceeded * Comments or additional compounds found: f 7- 9R + Bernard E. Bart s , Ph . Laboratory Director \� .. ;Z SUPEnIOn COURT tIOUSF BARNSTABLE, MASSACHUSET 2630 l TABLE 1 . Compounds Detectable by EPA tlethod 502.1* PHONE: 362.251 AIA EXT. 330 LAB 337 COMPOUND D.L. COMPOUND D.L. CLINIC 340 Benzene 0.5 1 ,1-Dichloroethane 0.5 Carbontetrachloride 0.5 1 ,1-Dichloropropene 0.5 1 ,1-Dichloroethylene 0.5 1 ,3-Dichloropropene 0.5 1 ,2-Dichloroethane 0.5 1 ,2-Dichloropropane 0.5 para Dichlorobenzene 0.5 1 ,3-Dichloropropane 0.5 Trichloroethylene 0.5 2,2-Dichloropropane 0.5 1 ,1 ,1-Trichloroethane 0.5 Ethylbenzene 0.5 Vinyl Chloride 0.5 Styrene 0.5 Bromobenzene 0.5 1 ,1 ,2-Trichloroethane 0.5 Bromodichloromethane 0.5 1 ,1 ,1 ,2-Tetrachloroethane 0.5 Bromoform 0.5 1 ,1 ,2,2-Tetrachloroethane 0.5, Bromomethane 0.5 Tetrachloroethylene 0.5 Chlorobenzene 0.5 1 ,2 ,3-Trichloropropane 0.5 Chlorodibromomethane 0.5 Toluene 0.5 Chloroethane 0.5 para Xylene 0.5 Chloroform 0.5 ortho Xylene 0.5 Chloromethane 0.5 meta Xylene 0.5 ortho Chlorotoluene 0.5 Bromochloromethane 0.5 para Chlorotoluene 0.5 • Dichlorodifluoromethane 0.5 Dibromomethane 0.5 Fluorotrichloromethane 0.5 meta Dichlorobenzene 0.5 Hexachlorobutadiene 0.5 ortho Dichlorobenzene 0.5 Isopropylbenzene 0.5 trans-1 ,2 Dichloroethylene 0.5 n-Propylbenzene 0.5 cis-1 ,2 Dichloroethylene 0.5 Sec-butylbenzene 0.5 Dichloromethane 0.5 Tert-butylbenzene 0.5 D.L. is Detection Limit in micrograms per liter or parts per billion (ppb) . This table lists our' normal limits of detection. If we report a smaller amount, then our detection limit was lower for that analysis. *A photoionization detector is used in series with the electroconductivity detector, thus allowing for the analysis of most of the compounds listed in EPA Method 503.1 as well . TABLE 2. Compounds which have Maximum Contaminant Levels (MCLs) set by the Environmental Protection Agency. r COMPOUND MCL (in ppb) Benzene 5.0 Carbontetrachloride 5.0 1 ,2-Dichloroethane 5.0 1 ,1-Dichloroethylene 7.0 para Dichlorobenzene 75 1 ,1 ,1-Trichloroethane 200 Trichloroethylene 5.0 Vinyl Chloride 2.0 Total Trihalomethanes 100 Chloroform, Bromodichloromethane , Chlorodibromomethane, and Bromoform comprise , the total trihalomethanes. • OF BAIQ� BARNSTABLE COUNTY HEALTH AND ENVIRONMENTAL DEPARTMENT SUPERIOR COURT HOUSE 0 • BARNSTABLE, MASSACHUSETTS 02630 O • A1A55 • PHONE:362.2511 EXT.330 LAB 3V CUNIC 340 September 26,1991 7j Ms. Wendy Jacobs Foley, Hoag & Eliot One Post Office Square Boston, MA 02109 Dear Ms. Jacobs: Enclosed are the water analysis reports for three water samples which were collected from Marie Ann Terrace, Centerville, and analyzed for Volatile Organic Compounds using EPA Method 502.1/503. The attached sheet is just a list of the chemicals which are detectable by using this method of analysis and does not reflect the results of the tests. If you have any questions please do not hesitate to call the laboratory at 362-2511, extension 337. Sincerely Judith hnson /Ji Enclosures S� k BARN:,TABIX COUNTY HEALTH AND FNVIRON,IENTAL DEPARTMENT LABORATORY REPORT VOLATTLE ORGANIC CHEMICAL ANALYTICAL RESULTS Client : HAGAR Collection Date: 09/24/91 Mailing Addi-e-:;:; : F.1J,Fv CLARK Date of Analysis:09/24/91 98 MARTF ANN TERRACE Type of Supply: WELL CENTERVTI,LE MA 02632 Well Depth (FT) : Not Given Ttel ephon(! : ",ample l,ijrat. ic,ii: 85 MARIE ANN LAT. (DDMMSS) : Not Given CENTFRVULE LONG. (DDMMSS) : Not Given Collector: G. HEIIFELDER Map/Parcel : Aff.ilial. ioll: BCHED Analytical �1t:tiltmi : 502 . 1 =1 , 502 . 2=2 , 503 . 1 =3 , 504=4 , 524 .1=5, 524 .2=6, 502 . 1 /503=7 Contaminants anal . Result MCL Detection Detec:terl Meth. ug/1 a /1 Limits (u /1) _ _ _ --------- ------------------------- AAA NO cotIPOUNDS, DETECTED * * A 7 Orily those co1q),,unds 'listed above were detected. Attached is a list of rc�mpo»nds for which triis sample was analyzed . NOTE: CmiL Tiro i mint 1 e.vel s equal to or exceeding the Detection l,imit.s are reported. MCI, means Maximum Cc-)ntaminant Level for EPA-regulated c onipolinds. (rrg/1. _ micrograms per liter = Parts Per Billion) The Fnvironuirntal Protection Agency has set Maximum Contaminant Levels N01.) fc.,r' th(.. r')1lowing c:aniju.- ilds . This sample compares as follows: COMPOUND MCL (in PPB) Benzene 5.0 A level not exceeded A �'.►rl��n Tefr..i��lil�:�ridp 5 .0 * level not exceeded A 1 , '.. Dichlor( ��l liaise 5.0 level not exceeded A 7 .0 * level not exceeded A 1 , a-T1i �lll��r�,l, i��ene 75 * level not exceeded , 1 , 1 Tr ir. 11l, „ i),�tfiane 200 level not exceeded A 1 I ric .- r � ll� •n,. 5.0 A level not exceeded A Vinyl l'Irt01 i �l�, 2 .0 A level not exceeded A comments or additional compounds found: BARNSTABLE COUNTY HEALTH AND ENVIRON`1ENTAL DEPARTMENT LABORATORY REPORT VOLATILE ORGANIC CHEMICAL ANALYTICAL RESULTS Client : FIA,EN CLARK Collection Date: 09/19/91 Mailing Addi'e s:s : 9S MARIE ANN TERRACE Date of Analysis:09/19/91 CENTERVILLE 11A 02632 Type of Supply: WELL Well Depth (FT) : Not Given Telephone: Sample 1•4)47.11 i0►11: 1)it MARTS ANN TERRACE LAT. (DDMMSS) : Not Given CENTERVTLLE LONG. (DDMMSS) : Not Given Collector: n . HEUFFLDER Map/Parcel : Affiliati0ll : RCHFD Analytical 502. 1 -1 , 502 . 2=2 , 503 . 1.=30 504=4 , 524 . 1=5, 524 . 2=6 , 502 . 1 /503=7 ------------------------ ------------------ ------------- Ct�ntaminanf5 Anal. Result MCL Detection DUI ocI v.-d McLh, ug/1 ug/l Limits (ug/1) ------------------------ --- 1 , ]. , 1 , 'frichlt�rttethane 7 7 .`1 200.0 0. 2 Only t11-ose r(illipounds listed above were detected . Attached is a list of (-t)i11lutundas for which this sample was analyzed . NOTE: Contaminant levels equal to or exceeding the Detection Mite .ts are reported. MCI, means Maximum Contaminant Level for EPA-regulated ritmpountl�s . (uy/1 = micrograms per liter = Parts Per Billion) The Environmental Protection Agency has set Maximum Contaminant Level: (Mrl,) foi- tIiE, following compounds . This sample compares as follows: COMPOt1ND MCL (in PPB) Benzene 5.0 * level not exceeded* 5.0 * level not exceeded * Carbon TetraolllOride 1 , 2. 1)i clil orotit lt.tne 5 .0 * level not exceeded I , l D i tall c r(w I Ill-lie 7 .0 •'• level not exceeded * l , 4 Dit:1►lt)r•,•)I,oiiirne 75 * level not exceeded * 200 * level not exceeded * 1 , l , 1 •-Ti•ic-l1lt�i:��rthane TI i(71-11 o1-1-olt 11t!II1- 5.0 * level not exceeded * \, i i•t1•l Chlor h1k: 2 .0 * level not exceeded * Comments or additional compounds found: . q r n , ..t ;.1 Ph n i rorl-rr A BARNSTABIZ ('01INrY HEALTH AND ENVIRONMENTAL DEPARTMENT LABORATORY REPORT VOLATILE ORGANIC CHS11TCAL ANALYTICAL RESULTS C1 ient : ENTITY SOUZ.A Collection Date: 09/19/91 Mailing Addrr.,.i.-; : 02 MARIF. ANN TERArE Date of Analysis :09/19/91 CENTERVILLE MA 02632 Type of Supply: WELL Well Depth (FT) : Not Given Ti:!] el-ihc�ue: 775-G429 Sample 1.(.') :dl.it'll : 62 MARIE ANN TERRACE LAT. (DDMMSS) : Not Given CENTERVILLE LONG. (DDMMSS) : Not Given Collector: G. HEITELDER Map/Parcel : Affiliat. ir)n : BCIIFiI Aiidlyt ioal `14+i ljijd : 502 . 1-= 1 , 502. 2-2 , 503 . 1=3 , 504=4 , 524 . 1=5, 524 . 2=6 , 502 . 1 /503=7 mill ami Anal . Resu] t MCL Detection Detected Meth . ug/l ug/l Limits (ug/1) --------------------------------------------------------------------- * * NO COMPOUND 1 DrTFCTFD 7 Only the►se c(-mi tinlils listed above were detected . Attached is a list of (-r,mpounds ft)i• wliir.li this sample was analyzed . NOTE: Contaminant levels equal to or (-Nc,eeding the Detection Limits .ire reported. MC1, meeins Maximum Contaminant Level for EPA-regulated �•t)mhc�utids . (ug/l _ mi c:rocirams per 1 i ter = Parts Per Billion) The FnvironmNiita] Protection Agency has set Maximum Contaminant Levels (11('1,) for the following compounds . This sample compares as follows: i COMPOUND MCL (in PPB) Boienzene 5 .0 * level not exceeded * Cai l ()n Toti—ac h1t)ride 5 .0 * level not exceeded * 1 , 2 D1c:illoroc:l lldne 5 .0 * level not exceeded * 1 , 1 D i c hI or(.,c:t Bone 7 .0 * level not exceeded * 1 . 4 - Di ohl urt.,j ;c-uzene 75 * level not exceeded * 1 , I , I J1. i IcI10i 1 200 level not exceeded Ti ic•hl lcc•uw 5 .0 f level not exceeded Vinyl C111 c,r idk! 2 . 0 * level not exceeded Comments or additional compounds found: "�"'��• DARIIS1ABLF CO.' `ITY HEALTH AND ENVIR ",Ar TAL DEPARTMENT • . a 7 •--- SUPERIOR COURT HOUSE v. ~�, BARUSTABLE, MASSACHUSETiS 02630 TABLE 1. Compounds Detectable by EPA Method 502.1* I.A PHONE: 782-2511 EXT. 330 LAB 337 COMPOUND D.L. COMPOUND D.L. CLINIC 340 Benzene 0.5 1 ,1-Dichloroethane 0.5 Carbontetrachloride 0.5 1 ,1-Dichloropropene 0.5 , 1 ,1-Dichloroethylene 0.5 1 ,3-Dichloropropene 0.5 1 ,2-Dichloroethane 0.5 1 ,2-Dichloropropane 0.5 Para Dichlorobenzene 0.5 1 ,3-Dichloropropane 0.5 Trichloroethylene 0.5 2,2-Dichloropropane 0.5 1 ,1 ,1-Trichloroethane 0.5 Ethylbenzene 0.5 Vinyl Chloride 0.5 Styrene 0.5 Bromobenzene 0.5 1 ,1 ,2-Trichloroethane 0.5 Bromodichloromethane 0.5 1 ,1 ,1 ,2-Tetrachloroethane 0.5 Bromoform 0.5 1 ,1 ,2,2-Tetrachloroethane 0.5 Bromomethane 0.5 Tetrachloroethylene 0.5 Chlorobenzene 0.5 1 ,2,3-Trichloropropane 0.5 Chl orod i bromomethane 0.5 Toluene 0.5 Chloroethane 0.5 Para Xylene 0.5 Chloroform 0.5 ortho Xylene 0.5 Chloromethane 0.5 meta Xylene 0.5 ortho Chlorotoluene 0.5 Bromochloromethane 0.5 Para Chlorotoluene 0.5 . Dichlorodifluoromethane 0.5 Dibromomethane 0.5 Fluorotrichloromethane 0.5 meta Dichlorobenzene 0.5 Hexachlorobutadiene 0.5 ortho Dichlorobenzene 0.5 Isopropylbenzene 0.5 trans-1 ,2 Dichloroethylene 0.5 n-Propylbenzene 0.5 cis-1 ,2 Dichloroethylene 0.5 Sec-butylbenzene 0.5 Dichloromethane 0.5 Tert-butylbenzene 0.5 D.L. is Detection Limit in micrograms per liter or parts per billion (ppb) . This table lists our normal limits of detection. If we report a smaller amount, then our detection limit was lower for that analysis. *A photoionization detector is used in series with the electroconductivity detector, thus allowing for the analysis of most of the compounds listed in EPA Method 503.1 as well . TABLE 2. Compounds which have Maximum Contaminant Levels (MCLs) set by the Environmental Protection Agency. COMPOUND MCL (in ppb) Benzene 5.0 Carbontetrachloride 5.0 1 ,2-Dichloroethane 5.0 .1 ,1-Dichloroethylene 7.0 Para Dichlorobenzene 75 1 ,1 ,1-Trichloroethane 200 Trichloroethylene 5.0 ` 005 ��r�� Vinyl Chloride 2.0 Total Trihalomethanes 100 Chloroform, Bromodichloromethane, Chlorodibromomethane, and Bromoform comprise the total trihalomethanes. ATEC Environmental VV Consultants Division of ATEC Associates,Inc. Solid&Hazardous Waste Site Assessments Remedial Design&Construction 62 Accord Park Drive Underground Tank Management Norwell, Massachusetts 02061 Asbestos Surveys&Analysis [617]878-6200, FAX # [6171 871-6781 Hydrogeologic Investigations&Monitoring Analytical Testing/Chemistry August 14 1991 Industrial Hygiene/Hazard Communication Environmental Audits&Permitting Exploratory Drilling&Monitoring Wells Mr.Donald Nagle, Deputy General Counsel Department of Environmental Protection One Winter Street Boston,MA 02108 Mr. Joseph Kowal, Site Support Section Chief Southeast Region Department of Environmental Protection Lakeville Hospital Main Stmet Lakeville,MA 023437 RE: Summary of Major Findings relative to The Bell Tower Mall Centerville,Massachusetts Gentlemen: This letter serves to summarize a preliminary investigation relative to environmental conditions at the Bell Tower Mall, Centerville, Massachusetts (the site) and their potential impact on downgradient private potable wells along Marie-Anne Terrace. In addition, this letter presents ATEC's priliminary analysis of the potential for contaminants to migrate from the site to private water supply wells along Marie-Anne Terrace. A Subsidiary of American Testing and Engineering Corporation Consulting Environmental,Geotechnical and Offices in Major U.S.Cities/Since 1958 Materials Engineers • The potential for contaminant migration to the wells is possible but the concentration levels at the wells are expected be below 5 parts per billion according to the conservative analysis. The analysis indicates that if contaminants migrating from the site do reach the private potable wells on Marie-Anne Terrace,their respective concentrations are expected to be below Massachusetts Maximum Contaminant Levels (MMCL- 310 CMR 22.00)and/or below levels set forth by the Department of Environmental Protection Office of Research and Standards Recommended Drinking Water Guidelines (ORSGL). • According to this analysis,the estimated potential maximum contaminant level at the private potable wells is for each contaminant encountered at the site is less than its respective state or federal guideline for drinking water. However, if maximum concentrations of individual contaminants at the site exceed levels detected thus far or if hydrogeological conditions differ from the stated assumptions, then contaminants in excess of their respective Maximum Contaminant Levels (MCLs) may reach the wells on Marie-Anne Terrace. ATEC appreciates the opportunity to be of service in this matter. If you have any questions,please do not hesitate to contact us. Thank you. Sincerely, ATEC Associates,Inc. - James M.Regan James B. O'Brien V Project Engineer Group Manager Joseph Dorsett, Jr. Associate and District Manager Sorption. Processes that remove solutes from the fluid phase and concentrate them on the solid phase of a medium. Specific gravity. The ration of a substance's density to the density of some standard substance, usually water. Vadose zone. That region above the saturated zone. Verity. The internal friction with a fluid that causes it to resist flow. Volatilization. The transfer of a chemical from liquid to the gas phase. r i 1.0 PROJECT WORK SUMMARY • In February of 1991, ATEC conducted a Preliminary Site Assessment relative to oil and hazardous material at the site. During this investigation, surface staining in a grassy area was observed adjacent to an above ground cooking grease storage tank. Research associated with this assessment revealed that the Barnstable Board of Health had reported to the Massachusetts Department of Environmental Protection(DEP) that Tetrachloroethene had potentially been discharged to an on-site sewage leaching system. The site is on the DEP list of Locations To Be Investigated(LTBI). • In the Spring of 1991, ATEC advanced ten (10) soil borings at the site. Four (4) monitoring wells were installed to a maximum depth of 26.5 feet and five (5) dual-nest monitoring wells were installed to depths of 25-30 feet(shallow) and 75-80 feet(deep) in each boring. Elevated levels of Tetrachloroethene [53 ppb], 2-Butanone [30 ppb], Toluene [510 ppb], 1,1-Dichloroethene [61 ppb], 1,1-Dichloroethene [10 ppb], and 1,1,1- Trichlomethane [520 pp] were detected in groundwater samples. Tetrachloroethene was detected at a level of 58 ppb in one(1) subsurface soil sample obtained from a soil boring at a location in the vadose zone. Groundwater was determined to flow in a southwesterly direction. • In June and July of 1991, ATEC evaluated aquifer parameters and performed a limited solute transport analysis of the site and its vicinity. That investigation was designed to identify potential human receptors,evaluate aquifer characteristics at and in the vicinity of the site, and analyze the potential for migration of contaminants from the site to certain potential human receptors. Four private water supply wells were identified approximately 2,400 to 2,800 feet southwest and hydrogeologically downgradient of the site at 62, 67, 85, and 95 Marie-Anne Terrace. Base on limited available data, calculations have been performed to assess potential impact of the site conditions on these wells. r Although our calculations indicate that it is unlikely that contaminants have reached the private wells at concentrations which would exceed state and federal drinking water standards, we nonetheless recommend that DEP and/or the Barnstable Board of Health make an independent determination and,if appropriate, sample the wells for analyses. Set forth below are the assumptions utilized in performing hydrogeologic calculations. 2.0 SUMMARY OF HYDROGEOLOGIC CALCULATIONS 2.1 Parameter Determinations and Assumptions • The aquifer was assumed to be areally extensive such that boundary conditions do not effect flow conditions. • The aquifer was assumed to be homogeneous and isotropic. • A relatively impermeable silt and clay layer encountered at the site at a depth of approximately 75 to 80 feet below grade was assumed to be areally extensive as it is well documented in the site vicinity. The aquifer thickness was assumed to remain constant at 50 feet as it has been found to be approximately this thickness at the site and vicinity. • Published information and in-situ groundwater elevation measurements indicate that the vertical hydraulic gradient of the aquifer at the site and in the site vicinity is equal to zero. Thus, the lateral hydraulic gradient of the aquifer is equal to the slope of the groundwater surface. Field measurements and published information indicate that the lateral hydraulic gradient is equal to 0.003 ft./ft. • Ten (10) falling head tests were performed at the site. Hydraulic conductivities were calculated utilizing the Hvorslev Method The maximum value for the hydraulic con- ductivity of the aquifer at the site was measured at 95.1 feet per day. A lateral hydraulic conductivity value of 250 feet per day is utilized in the calculations. This value was deter- mined by a 1985 study of the region's hydrogeologic characteristics performed by the U.S. Geological Survey. The value of 250 feet per day for the lateral hydraulic conductivity is more conservative than hydraulic conductivities measured at the site. The effective porosity of the soil in the aquifer was assumed to equal 0.27 which is eighty- five percent (85%) of the minimum soil porosity determined from three (3) soil samples obtained at the site. • Solute transport based soley on advection was assumed, therefore; the flow rate of the contaminant is assumed to be equivalent to that of the groundwater flow. The hypothetical I contaminant was assumed to be non-reactive so that no adsorption to the porous media was considered. As the contaminants detected at the site are reactive to varying degrees, actual mobility of these materials would be retarded or restricted to some extent. • Transverse dispersivity is assumed to be equal in both the horizontal and vertical direction. The coefficient of dispersivity is assumed to be equal to 3 meters (for unconsolidated glacial outwash sediments). • The solute concentration at the source was assumed to be equal to the maximum total Volatile Organic Compound (VOC) concentration [593 ppb] encountered in the ground- water at the site. • The width of the source boundary was assumed to be equal to forty feet and the vertical thickness of the solute.plume at the source boundary was assumed to be equal to the thickness of the aquifer(50 feet). • It was conservatively assumed that the groundwater flows directly toward the private potable wells on Marie-Anne Terrace. According to the U.S. Geologic Survey Hydro- geologic Atlas, groundwater from the site flows in a southwesterly direction such that the centerline of a plume migrating from the site would pass approximately 700 feet to the southeast of the wells. 2.2 Hydrogeologic Calculations • A seepage velocity of 2.8 feet per day (0.853 meters per day) has been calculated for groundwater at the site and vicinity. • Adopting the conservative assumptions set forth above, the calculations performed yield a concentration of 0.005 parts per million or 5 parts per billion of non-'reactive solute in the groundwater at a distance of 2,700 feet from the source along the centerline of the plume migratory path. For the purposes of this analysis, it was assumed that the potential maximum VOC level at the private wells equals the calculated concentration(5 ppb)of the non-reactive solute at the private wells. Based on the assumption that proportions of individual contaminants to total VOC concentrations encountered at the site remain constant over the migration pathway, maximum exposure concentrations at the private potable wells were estimated as follows: Estimated Contaminant Concentrations h / Max.Level Estimated Max. State or Chemical Measured at Site Level at Private Wells Federal Guidelines �1 (ppb) (PPb) (PPb) i_ J r C1J,1Trichloroethene 520 4.4 2001 Tetrachloroethene 53 0.5 52 1,1 Dichloroethene 10 0.1 71 1,1 Dichloroethane 27 0.2 52 Toluene 510 4.3 20002 2-Butanone 30 0.3 3502 1-Mmachu m Magnum Contaminant 1"el(MMCL)(310 CM 2200) _-DEP Office of Raeaslt and Standards Reocmmendcd Drinidng Water Guideline(ORSGL) 3.0 FINDINGS Groundwater at the site flows in a direction slightly southwest of due south with a low hydraulic gradient of 0.3 %. South of the site, groundwater flow direction becomes more southwesterly. Four (4) private, potable wells have been identified approximately 2,400 to 2,800 feet southwest and hydrogeologically downgradient of.the site along Marie-Anne Terrace (at numbers 62, 67, 85, and 95). cc: Keith Brown,Assistant Vice President Shawmut Bank One Federal Street Boston,MA 02211 cc: Wendy B. Jacobs Foley,Hoag&Eliot One Post Office Square Boston,MA 02109 GLOSSARY Adsorption. Adherence of ions or molecules in solution to the surface of solids. Advection. The process whereby solutes are transported by the bulk mass of flowing fluid. Aquifer. A geologic unit that contains sufficient saturated permeable material to transmit significant quantities of water. Biodegradation. A subset of biotransformation,it is the biologically mediated conversion of a compound to more simple products. Conservative solutes. Chemicals that do not react with the soil and/or native ground water or undergo biological,chemical,or radioactive decay. Density. The mass per unit volume of a substance. DNAPL. Denser-than-water nonaqueous phase liquid Effective porosity. The ratio, usually expressed as a percentage, of the total volume of voids available for fluid transmission to the total volume of the porous medium. Heterogeneous. A geologic unit in which the hydrologic properties vary from point to point. Homogeneous: A geologic unit in which the hydrologic properties are identical everywhere. Hydraulic conductivity. A measure of the volume of water at the existing kinematic viscosity that will move in a unit time under a unit hydraulic gradient through a unit area of medium measured at right angles to the direction of flow. Hydraulic gradient. The change in head per unit distance in a given direction, typically in the principal flow direction. Miscible. Able to be mixed Monitoring well. A tube or pipe,open to the atmosphere at the top and to water at the bottom, usually along an interval of slotted screen,used for taking ground-water samples. Partitioning. Chemical equilibrium condition where a chemical's concentration is apportioned between two different phases according to the partition coefficient, which is the ratio of a chemical's concentration in one phase to its concentration in the other phase. Porosity. A measure of interstitial space contained in a rock(or soil)expressed as the percentage ratio of void space to the total(gross)volume of the rock. Retardation. The movement of a solute through a geologic medium at a velocity less than that of the flowing ground water due to sorption or other removal of the solute. Slug test. A test for estimating hydraulic conductivity values in which a rapid water-level change is produced in a piezometer or monitoring well, usually by introducing or withdrawing a "slug" of water or a weight. The resultant rise or decline in the water level is monitored. 9,q1 Acrie9 plan of Land 5EU TOWED MALL - Wowed Area --- CEHTEK Y I L LE, MASS. -" Scale: i In.=80 fL ApTM 30,i991 f -- Approximate Location *gLseA Way22,I"( of pti< 5ystcm9 -; ATEC Environmental --- Locsticn Mw s -- of SeP c J`yStGrit4 Trens{ormer f `V Consultants Abo a Grua Storage TanK v Divlalon of ATEC Assxlatos,u,c. ez nmv v.n on.. MW 6 1MJ-9 �Bllgiorrner w....w.ma., \ at-MYWATEK ELEVAM095 SHOWN VZIED" FROM INFaiGA4Z101.1 O'BTAIUEG FKDt.�MOU- \ rMr%)4A WgL19 LDtATM q �N S oro s u-epxwa s ce e-� A S \ d MATE. OKLY. 115 SROW�A ARE ROAM AA A55umEp V,-4LtVVLfAq Weil — 4raundW6ler CoTttour �� CInterval -O.1 Feet) } 501L.►s KIM& lAw 7 �f paybank KiwK UmLt o4 t3iUtmlr�ocLy F33verttetlt 12 Falmouth (�L� 28� �d S T O O ♦?O ` CIL -uVAU p o i •c ROVE _ FALM0 MY.H O M 2 0 �A C 6 3�0' O�FIRE ` � Q_ f ' TA. = a C 0 A 110 y. 0'6 o � 0 1 � mac• � , o� o ] / OPINETRE a ON 0 � 0 0 1Afrr 1 3 REE OA.p 0 cowo az- I NTEevAL Compiled from USGS Hydrogeologic HYD 1?Al1tJ C �,t2AD I Eel► =0.3 alo + Atlas and Centerville,Osterville, Marston Mills Fire District Water Distribution Map. REGIONAL GROUND 41s PROJECT: 37.07. - WATER CONTOUR MAP ATEC Bell Tower Mall SCALE: 1:500' 1600 Falmouth Road Centerville, Massachustts FIGURE:2 LOCATION SELVAGE PIRMIT NO. VILLAGE .1N A Elt'S NAM i ADDRESS 0 U I L D E R OR OWNER OATS PERMIT SS EA1 D DATE COMPLIANCE ISSUED ? �3 O r �y r f_Z a0_ NO.... r THE COMMONWEALTH OF MASSACHUSETTS BOARD OF HEALTH ............ . .....................O F......................................................................................... Applira#ilan for Dispuiial Works Tonstrnrtiun ramit Application is hereby made for a Permit to Construct ( ) or Repair ( ) an Individual Sewage Disposal System at: ...... 'Y.l r: .: .......... er. . .�r ... - ....------......--- . ....................................................... ... on-A s or Lot No.001 Owner Address W Installer Address d Type of Building Size Lot.,2?0 .10.0...Sq. feet U Dwelling—No. of Bedrooms..................................Expansion Attic ( ) Garbage Grinder ( ) pa, Other—Type of Building ............................ No. of persons............................ Showers ( ) — Cafeteria ( ) a' Other fixtures ...................................................... W Design Flow............................................gallons per person per day. Total daily flow............................................gallons. WSeptic Tank—Liquid*capacity............gallons Length................ Width................ Diameter................ Depth,.............. x Disposal Trench—No. .................... Width.................... Total Length.................... Total leaching area....................sq. ft. Seepage Pit No..................... Diameter.................... Depth below inlet.................... Total leaching area..................sq. ft. Z Other Distribution box ( ) Dosing tank ( ) Percolation Test Results Performed by...................•-•---------••-•--••-•------••-•----•-•------•......... Date........................................ Test Pit No. 1................minutes per inch Depth of Test Pit.................... Depth to ground water........................ Test Pit No. 2................minutes per inch' Depth of Test Pit.................... Depth to ground water........................ a --••-----------•••--•------•-•••-------------••-....••--•---••----•---•••-•-••--••---•-•------•............------••-••-------.....................----•.--_.. 0 Description of Soil........................................................................................................................................................................ U ...............................................•----•--•--.........................------------------.....----------•-•--•------•-••--•-••--------•-----•-------------....--•------•-.......------------ -------------------•-----------•----....--------•------------....-----•--...........................--•------------•----•----•-------------•--------------------------------------------......_......... U Nature of Repairs or Alterations—Answer when applicable................................................................................................ •---------------------------------------------------------•------------------------•----------••--------------------•----------...-•------------------•------------•--•-----------------------.....---• Agreement: The undersigned agrees to install the aforedescribed Individual Sewage Disposal System in accordance with the provisions of iiTi:1. 5 of the State Sanitary Code—The undersigned further agrees not to place the system in operation until a Certificate of Compliance has issued by e o of h lth. ,...Sign __. _. ��:�.1 D to Application Approved B .... _:. --•--- 11----- ................................ Date Application Disap ov or a following reasons:--------•-----•............................•-•---•----••-------------------•-•-•---•-------------.....------.. .......................... ----- ....... .--•-•--•-------------------••------............--•-----...... Date PermitNo......................................................... Issued....................................................... Date i • No.�!.".��_ .... Fps., 0.................. THE COMMONWEALTH OF MASSACHUSETTS BOAR® OF HEALTH ..............................------.......OF........................................................................................... ApplirFatilan for Disposal Vorkfi Tonstratrtiun rrutit Application is hereby made for a Permit to Construct ( ) or Repair ( ) an Individual Sewage Disposal System at: I_ ....••.... f - ................................. L nAd , . or Lot No Owner Address W Installer Address d Type of Building Size Lot..692.93.0..Sq. feet U Dwelling—No. of Bedrooms......: __ _ -Expansion Attic ( ) Garbage Grinder ( ) pa, Other—Type of Building ............................ No. of persons............................ Showers ( ) — Cafeteria ( ) Q' Other fixtures .----------•-.......----•-•------•-•---------- W Design Flow............................................gallons per person per day. Total daily flow............................................gallons. WSeptic Tank—Liquid'capacity............gallons Length................ Width................ Diameter................ Depth................ x Disposal Trench—No. .................... Width.................... Total Length.................... Total leaching area....................sq. ft. Seepage Pit No..................... Diameter.................... Depth below inlet.................... Total leaching area..................sq. ft. Z Other Distribution box ( ) Dosing tank ( ) Percolation Test Results Performed bY............................ -............................................... Date........................................ Test Pit No. I................minutes per inch Depth of Test-Pit.................... Depth to ground water........................ 1� Test Pit No. 2................minutes per inch Depth of Test Pit.................... Depth to ground water....................---. a ....................................... ....•-•---••--•-----•..........--••--........-----.••-•-- DDescription of Soil.- .......................•--•----..................---•--•-•---......------•--•------------••-----------------------•-•-.........._......---•- x W U Nature of Repairs or Alterations—Answer when applicable............................................................................................... Agreement: The undersigned agrees to install the aforedescribed Individual Sewage Disposal System in accordance with the provisions of TITy 5 of the State Sanitary Code—The undersigned further agrees not to place the system in operation until a Certificate of Compliance ha issued by Q)%Z7 of h th. n ::....... V Sig .. .. . M D e Application Approved Y.... -----. ...` . ................. .--- � ..._ Date Application Disap ov or / a following reasons---------------------------------------------------------------•------------------------•--------•--------....--- -•----••--•..................... ......./--...----•----------•----....----•----------------...--•-...---------•--•--------------------------•-•-•--•---------------------•--••-------•-----.._.... Date PermitNo......................................................... Issued....................................................... Date THE COMMONWEALTH OF MASSACHUSETTS BOARD r' F HE ..... ::................OF..... ��'' .:....f't' ...................................... (grrtlfirFate of ToutpliFattrr THIS IS TO CERTIFY, That the Individual Sewage Disposal System constructed (W<Or Repaired ( ) Y------..7 -•----•-•-----••----- .. Installer at. ................................................... ------•---- l t� .....>.. -------------------.-----}---------•---------- has been installed in accordance with the provisions of TIT f The State Sanitary Code s de/cribed in the application for Disposal Works Construction Permit No....d...�...... ............. dated... . .................. THE ISSUANCE OF THIS CERTIFICATE SHALL NOT BE CO A GUARANTEE THAT THE SYSTEM WILD"CTION SATISFACTORY. DATE.......��.7.�--y..�..............•----............-•------.......--..... Inspector-•--•-//S ...................................................... THE COMMONWEALTH OF MASSACHUSETTS BOAF2�1?S} OF HE L .......................OF..../..............LAI .........._....... ------....................••............... No......................... FEE.`3-••-••............ Dispns�al Works 0nnstr tion rrutit Permissionis hereby granted.......................................................................................... ..-- ........................... to Construct or Repairr(, n dual Seth e Disposal System f --- atNo. ... ...... . •-----.....•...---•-------------- l La. ------•-•--------------•-- ------------ ............................... tr et as shown on the applica 'on for Disposal Works Construction r it o..................... Dated.......................................... . _..... .. • .....------•---------•-••------•••----•-•--•-•----••-----...----•••---•........_ Board of Health DATE.fy..Z•• ............................................................. FORM 1255 HOBBS & WARREN. INC.. PUBLISHERS i ZO FT. M/IV TAN /YOTF /F• E/TNt��'C T SEPTIC ,•C OR j - L.EAC,yliYG P/T A/tE /YORE E TNA:N /a"&ArLo.*, c tQ AT M/h! GRAO�� ?4'O/al M ETER ,GO/yCR.F.T�e COv. SJ+I�I L L OAF ,9 ROOMV 7' TO G/r.4 0E.6 4 N .FXT/P. CONCRETO 9 PYC CN JNE.4 N y CA S 7- /UPON C O//ER S/51,4 t 4- BE U S E.G ----EL= 27.2 COi�ERS MIN. P/T ;r pER FT: /F/N DR/VEyVA y _= — - !JL Miw. COlVCR1�TE O OE CO✓ER C4 EA/V SA/V • '. BACXF/LL - • "CA 7*J . Z LAYER P/PE i !oy • o - �- a� A'-J/O' MIN.o/TGN G.4L. • � • . . • • •• • e • D/ST. o • WA 5jYXW 572�/YE 'X•"PE�r/� SEPTIC TAAII< • . • • . . . • • AP_-- BoX • ' WA5NED STONE. • N • vow • • • • • • • •• o.s�t PRECAST S F MA:PgGE 1AIMM r &4EVATIONS /50. F X 2.5 = 377•�N` • i�� • . • • • • • �s • P/7 OR LVVIV //VYERT AT OU/LD//VG 25. FT. /13. % 'A1,O = .//3 G�ry� EL_ Zo. 2 G /INET .WPr/C Ti4NK Z5.0 FT, 4 9 p G�t� rT O/AM. C,(-W&WWII"-r)0N, /X/'L.=,T SEPTIC TANK 24 4 FT, r -, /INLET D/STR/43!MON BOX 24 Fj SECT/ON:aF - GROVAID P4 47 Tit�E w o f4&-r &ACjW eur/o/v eOX Z4. Z Fi .SEN/AGE OIS~A A. SY.57 ArA1 Y . INLET'LEACHING PIT �•2 F7.' , LEACHIIVG JO/T Ti+9�+11L.,TlON : O/MEN,S lON A 2•0 A-T. DES/6/V CR/TERt.� se.�LE : /s" / o� OlAfAWSIOAI AWAAWR OF 4AEOR04OAfS 3 D/MENS/ON G 4 FT. �ARe�s�E�s,�PoswL Uw/r No SOIL. LOG SD/L TEST TaTAL L'ST/~r.-,D FLO*V 3� L T GA .�DAV SO/L TES 0/ SOIL TEST*2 NUMBER O.,� 4 ACNINZ P/TS +' f►F[Eis ZS,L� AMorse. M ._D/I TE OF 50/L -TEST ✓Jti/L : '!` ;: S/OE/1'ACglAlG PER PIT /50.S Ag f7.. cor4i c�'''� RESt/LTS IV/TNESSED dY �' �� 6i� •=�{' - 9A7TOML6a4CN/NGPERP/T 1/3• ! $Q; FT. i°�O�ItCOLAT/ON /l.4TIr�EI � 2 M/NCl/NC/'� TOT.AC LEi4CH/NG ,4REA 2�� `? SQ. FT P&N"LAT/pN RATE 2 2 /►7/N�INOfx RESERVELEACN/N6 AREA 2 `� SQ. FT. a, ,l'�r�{ of 5� 8' ,o' LET 7 per. r SA.iii �f1 NL S. 3 EL DREDGE ENG/VEER/NG,CO,/N� 712 "A//y ST. <. ❑ NDG/�OCJND YYl4Tt`rT E/VCDUNT1rRE0 f/YANNid, MASS- ' �'�OHAt �° � GROUNO YYATER �1T ELL�t! /S. 3 - '� z ; ,v /h y xi,4;Diu G•YV, E-/Ert/, /6,2 ! 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