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BOARD OF TRUSTEES SAN JOAQUIN LOCAL HEALTH DISTRICT SERVING <br /> At Crow,Pres. i San Joaquin County <br /> Earl Pimentel,Vice Pres. 1601 East Hazelton Avenue City of Manteca <br /> Tommy Joyce,Sec'y. Stockton,California 95205 City of Escalon <br /> James F.Culbertson City of Lodi <br /> John D.Mast,M.D. JOGI KHANNA, M.D.. M.P.H., DISTRICT HEALTH OFFICER City of Tracy <br /> Virginia Mathews " k City of Ripon <br /> Thomas Schubert,D.V.M. San Joaquin County <br /> ;y;: ' <br /> Daphne Shaw City of Stockton <br /> Harvey Williams,Ph.D. San Joaquin County <br /> 08/10/1988 <br /> Victor Farhoud <br /> 14,05/ Main Street n. <br /> js.calon, CA 95352 <br /> RE: Review of Preliminary Site Assessment Report 1425 Main St, Escalon <br /> This office has recently completed a review of� the preliminary site <br /> assessment report for the above referenced site . This review reveals <br /> that necessary site .assessment has not been completed to identify the <br /> vertical and horizontal extent of hydrocarbon contamination. <br /> Hydrocarbon contamination has been identified according to the report . <br /> The quantity and extent of contamination have not been identified . <br /> Following are specific problems and important points noted with the <br /> assessment report . <br /> 1 ) Laboratory analytical results based on composited soil samples are <br /> not accepted by this office as a basis for determining the extent <br /> of contamination. <br /> 2 ) Describe the laboratory methodology used to determine that a small <br /> amount of weathered hydrocarbon contamination was found in boring <br /> #6 . <br /> 3 ) Describe more clearly why a soil sample was not collected at the <br /> five foot level in soil boring # 6 . Collection and analysis of a <br /> discrete sample at this location was especially imperative <br /> considering that soil cuttings were noted to have a gasoline odor . <br /> COPY <br /> Administration Clinical Services Environmental Health Public Health Nursing <br /> 468-3400 468-3830 468-3420 468-3860 <br /> Air Pollution Community Services Laboratory WIC <br /> 468-3470 468-3820 468-3460 468-3280 <br /> AIDS Information 468-3820 _ <br />