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1 <br /> Chevron. <br /> Chevron 3 <br /> Chevron U.S.A.Products Company, <br /> 6001 Bollinger Canyon Road <br /> July 17, 1996 Building L <br /> San Ramon,CA 94583 <br /> P0.Box 5004 <br /> San Ramon,CA 94583-0804 <br /> Mr. Harlin Knoll Marketing—Northwest Region <br /> San Joaquin County_Public Health Services Phone 510 842 9500 <br /> P.O. Box 388 <br /> Stockton, CA 95201-0388 <br /> Re: Chevron Station#9-4.183, 236 N.Ham Lane,Lodi,'CA <br /> Attached UST Removal and Overexcavation Soil Sampling.Report-(Touchstone, 7/2/96) <br /> Attached UST and Rinsate Disposal,Documentation <br /> Attached Soil Disposal Documentation <br /> f _ <br /> Dear Mr. Knoll: <br /> Please find attached a report dated July 2, 1996,which was prepared by.Chevron's consultant, Touchstone <br /> Developments(Touchstone),to describe field activities and soil sampling results associated with <br /> underground storage tank(LIST)removal and soil excavation activities-at.the subject site during April, <br /> 1996. Touchstone's report documents the removal of four UST's and associated product piping, soil <br /> stockpile sampling and disposal, and soil.remediation activities.in the vicinity of the former waste oil <br /> UST. The analytical results of-soil samples obtained beneath each UST and at the final limits of the <br /> former waste oil tankpit overexcavation indicate that no further souzces of groundwater contamination <br /> remain at the subject site. As such, Chevron recommends that this site be considered for case closure.Do 1 <br /> you concur? <br /> Attached you will also find copies of Hazardous Waste.MariMsts 95895165, 95898211, and'95898212 <br /> which document the-proper handling and removal of four UST's and associated tank rinsate. Iriaddition, <br /> a copy of BFI's Vasco Road Sanitary Landfill invoice number960514-1013986 has been attached to 1 <br /> document the receipt of approximately 1,438 tons of soil that Was generated at the subject site during <br /> overexcavation activities. <br /> Hopefully, the provided information will 41low your agency to fully consider this site.,for case closure. I <br /> will be.interested in your decision regarding that consideration. If you have any questions or comments,I <br /> can be reached at(S I0)842-8695. <br /> Sincerely, <br /> t Brett L.Hunter <br /> J Environmental Engineer <br /> Site Assessment and Remediation <br />