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08/17/200- 09 26 2094583433 FIFTH FLOOR PAGE 03 <br /> I <br /> PUBLIC HEALTH SERVICES p <br />' SAN JOA UIN COUNTY PG <br /> Ell-WIRONMENTAL HEALTH DMSION <br /> Karen Furst, M,D , M PH, Healrh Officer <br /> 304 East Weber Avenue, Third Floor • Srockton, CA 9 202 #«"0�`�'� <br /> 209/468-3420 <br /> VAN DE POL ENTERPRISES <br /> PO BOX 1.107 <br /> STOCKTON CA 95201 <br /> RE Van De Poi Enterprises DECO's 1999 <br /> 3230 West bane <br /> Stockton CA 95204 <br /> ISari Joaquin Public Health Services Environmental Health Div sion (PATS/EHD)has <br /> reviewed the Preliminary Investigation and Evnluarlon Report (PIER) dated November <br /> I 11, 1999 prepared by Advanced GeoEnviromnental, Inc , for the above referenced site <br /> Contamination was evidenced in soils at the site to a depth of 3 5 feet below surface grade <br /> (bsg) The potential for groundwater contamination ai this site is significant PHSJEHD <br /> agrees with the PIER recommendations for further investigation of contamination at the <br /> above site <br /> Soil samples should be collected below 35 feet bsg until two cc nseeutive five foot <br /> samples indicate nou detectable concentrations of contaminant Groundwater samples <br /> should also be collected All samples should be analyzed for B mzene, Toluene, Xylene <br /> and Ethylbenzene, using EPA Method 8020, Total Petroleum Eydrocarbon as gas and � <br /> Total Petroleum Hydrocarbon as diesel using EPA Method 801 m and Oxygenates using <br /> EPA method 8260 If contamination is evidenced iri groundwx r a mininium of three <br /> groundwater monitoring wells should be installed at this site A.. sensitive receptor survey <br /> should also be conducted <br /> A Work Plan to determine the lateral and vertical extern of cont 'nation and to evaluate <br /> p_roundwater quahat.this site should be submitted to PHS/EH 3by February 1 2000 <br /> Please contact Carol Oz, Senior REHS,at (209)468-3440 if yoi t have questions <br /> regarding this letter <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br />' Carol Oz, Senior REIMS Margaret L gorio, REHS <br /> Site Mitigation Unit IV Supervisor <br /> cc Marty Hartzell-CVRWQCB <br /> Timothy Cuellar-AGE <br /> A Division of San joagULn County He2lrh Care Servat s <br />