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PUBdC HEALTH SE <br /> VICES o.A°�'�N .c <br /> SAN JOAQUIN COUNTY <br /> JOGI KHANNA MD-,M.P.H. '3 <br /> Healch Officer •.cP <br /> P.O. Box 2009 4 (1601 East Hazelton.Avatue) <br /> •Stockton, California 95201 <br /> (209) 468-3400 <br /> MR PAT SHERMAN <br /> LODI READY MIX <br /> POBOX 3 <br /> LODI CA 95240 OCT 18 199 <br /> s <br /> RE: Lodi Ready Mix SITE CODE; 1359 <br /> 815 E. Lodi Ave. <br /> Lodi, CA <br /> San Joaquin County Public Health Services,Environmental Health Division(PHS/EHD)has <br /> reviewed the Report entitled"Soil Boring Installation" prepared by Geological Technics Inc., <br /> and dated August 2, 1993. <br /> At this time PHS/EHD requests a detailed, comprehensive, closure report which follows the <br /> Tri Regional Staff .Recommendations document. The closure report should include an <br /> estimate of the amount of residual contamination left in place in the former tank excavation <br /> sample collection area labeled RE-BS-25 feet which tested positive for .hydrocarbons. <br /> Attached is an outline from the Tri Regional Staff Recommendations detailing items that. . <br /> should be addressed within.the closure document. <br /> On July 6, 1993, the soil baring which was drilled and sampled in the RE-BS-25 area and <br /> sampled every 5 feet beginning at 26.5 feet and terminating at 42 feet was shown to contain <br /> non-detectable levels of hydrocarbons and should be used as a vertical end point. <br /> If there are any questions, please contact Michael Collins, REHS, at (209) 468-0338. <br /> Jogi Khanna, M.D., M.P.H. <br /> . Health Officer <br /> 1. <br /> Donna Heran, REHS, Program Manager <br /> Environmental Health Division <br /> DH/MC <br /> c: CVRWQCB <br /> c: Geological Technics, Inc. <br /> i <br /> r <br />`i <br /> 4 A Division of San jolquin Counry Health pare Services <br />