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PUBLICHEALTH SEkVICES <br /> SAN JOAQUIN COUNTY = ' <br /> ENVIRONMENTAL HEALTH DIVISION <br /> .s <br /> Karen Furst, M.D., M.P.H., Health Officer �. <br /> 304 East Weber Avenue,Third Floor.• Stockton, CA 95202 <br /> 209/468-3420 <br /> OCT 3 12001 <br /> f <br />} PHILIP & IRENE HENRY JANET WISECARVER <br /> I <br /> P O BOX 282 P O BOX 332 <br /> f FRENCH CAMP CA 95231 FARMINGTON CA 95230 <br /> RE: Countryside Market SITE CODE: 2552 <br /> 10848 E. Copperopolis Rd. <br /> Stockton, CA <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> {PHSIEHD) has reviewed "PreliminaryInvesti Investigation and Evaluation Report <br /> dated September 29, 2001, prepared by Upgradient Environmental Consultants <br /> for the above referenced site. <br /> Soilcontamination is documented to exist to 90 feet below surface grade {bsg} <br /> and groundwater is contaminated. The report conclusion that the vertical limit of <br /> contamination in the soil is approximately 100 feet bsg is not supported by <br /> analytical data. Therefore a work plan to continue to investigate the lateral and <br /> vertical extent of soil and groundwater contamination that includes installation of <br /> a minimum of three monitoring wells should be submitted to PHSIEHD by a <br /> December 17, 2001. <br /> All groundwater samples should be analyzed for TPHg by EPA Method 8015M, <br /> for BTEX by EPA Method 8021 B or 8260B, and for MtBE, TBA, DI PE, ETBE, <br /> TAME, 1,2-DCA, and EDB by EPA Method 82608. Groundwater samples should <br /> also be analyzed for lead. These samples should be field filtered and analyzed <br /> using EPA Method 7420. A sufficient number of soil samples should also be <br /> analyzed for the above contaminants, , <br /> a <br /> If you have any questions contact me at (209) 468-3449. <br /> Donna Heran, RENS, Director <br /> Environmental Health Division <br /> Margaret Lagorio, Supervising RENS <br /> Unit IV <br /> I' <br /> k <br /> C: SJCADA— David Irey ' <br /> CVRWQCB -- Marty Hartzell <br /> Upgradient—Vic Cherven <br /> A Division of San Joaquin County Health Care Services <br />