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—PUBLIC a.—�.,.+G LTH SERVIC-ES uriy <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION 'A <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Fluor • Stockton, CA 9e�L�-F�►¢�'`� <br /> 209/468-3420 FIE COP <br /> ICASHMAR SINGH AND DALKINDER DHOOT AUG Q 6 1999 <br /> 15600 s HART=nN RD <br /> LATHROP CA 95330 <br /> Re Joes Place Site Code: 231585 <br /> 15604 S.Harlan Rd. <br /> Lathrop CA 95330 <br /> -San Joaquin County Public Health Services Environmental Health Division(PHS/EHD)has <br /> reviewed the Phase 11 Environmental Assessment dated"December 17, 1998 prepared by Avalon <br /> Environmental Consultants. Soil and groundwater samples collected at the site evidence <br /> petroleum contamination. Additional work will be necessary at this site tt>monitor and evaluate <br /> the groundwater: <br /> Monitoring Wells(N4WS) should be constructed at the site to evaluate the groundwater <br /> conditions quarterly and establish the groundwater gradient. MW s should be screened at an <br /> interval representative of the affected groundwater. Groundwater samples should be analyzed <br /> quarterly for Total Petroleum Hydrocarbons as diesel by EPA;Method 8015,Benzene,Toluene; <br /> Ethylbenzene and Xylene by EPA Method 8020 and '{oxygenates by EPA Method 8250. <br /> A receptor survey ofdomestic,municipal, agricultural, industrial and any:other wells within <br /> 2,000 feet radius of this site should be conducted. Contact the Department of Water Resources, <br /> municipal suppliers and any nearby industries to search for wells. Perform a physical search of <br /> the area to locate wells or outer receptor risks. Show locations of any conduits. Show locations <br /> of all wells, provide any known construction details and evaluate any humping influence with <br /> respect to the possibility of contaminant migration and public and/or environmental health threat.. <br /> When the contaminant plume has been defined,feasibility studies should..,be conducted in order to <br /> compare at least two different remediation alternatives. A Work P[an to investigate groundwater <br /> at this site should:be submitted to PHSiEHD by Sentemiber 20, 1999_ <br /> Contact.Carol Oz,Senior RENS at:(209):468-3440 if you have questions,regarding this letter. <br /> Tonna Heron, REHS Director <br /> :Environmental Health Division <br /> --7 ` <br /> Carol O.z;.Senior:REHS Margaret ari,AEHS <br /> Site)mitigation tTnit:.TV supervisor <br /> cc:_: Mark List-.VRWW:B: <br /> Trevor:Santocbi.Halon Environmental. <br /> A Division df.san Joaquin County Health Care Services <br />