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F r o 1,I c Chevron <br /> �<<,_� t ___ _ �_T11 <br /> [heron <br /> .F ".YE <br /> r; <br /> OCT ! �1 1f L J <br /> Chevron U S A Products Company <br /> 6001 Bollinger Canyon Road <br /> Building L <br /> San Ramon CA 94563 <br /> PO Box 5004 <br /> San Ramon CA 94583-0804 <br /> October 10, 1995 Marketing—Northwest Region <br /> Phone 510 842 9500 <br /> Mr Harlan Knoll <br /> San Joaquin County Environmental Health <br /> P O Box 388 <br /> Stockton, CA 95201-0388 <br /> Re Former Chevron Station#9-0342, 1347 S El_Dorado Street, Stockton, CA <br /> Attached groundwater monitoring report(Blaine Tech, 1/6/95) <br /> Dear Mr Knoll <br /> Please find attached a report dated January 6, 1995,which was prepared by Chevron's consultant, Blaine <br /> Tech Services, Inc (Blaine Tech),to describe groundwater monitoring performed at the subject site on <br /> November 22, 1994 <br /> During Blaine Tech's November site visit all three site-related wells were gauged and two of the wells <br /> were sampled The measured direction of groundwater flow was toward the northeast Groundwater <br /> samples collected from wells MW-3 and N4W-4 were analyzed for the presence of TPHGas and BTEX <br /> constituents Well MW-2 is sampled semi-annually The concentrations of dissolved petroleum <br /> hydrocarbons measured at well MW-3 were consistent with those detected during previous site monitoring <br /> events There were no detectable concentrations measured at well MW-4 <br /> If you have any questions or comments,I can be reached at(510) 842-8695 <br /> Sincerely, <br /> e,tl?f 1 _ <br /> Brett L Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br />'t cc Elizabeth Thayer,Central Valley RWQCB, Sacramento, CA <br /> Ramon Guerrero, 1327 S Wilson Way, Stockton, CA 95205 <br /> Bette Owen, Chevron USA,Products Company, San Ramon, CA (w/o attachment) <br /> ti <br />