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Chevron <br /> Chevron U.S.A. Inc. <br /> 2 Annabel bane, Suite 200, San Ramon, CA 94583 -Phone(415) 838-5000 <br /> 4 November 1987 <br /> Marketing Operations �! <br /> St=, <br /> 0. Moller I <br /> Division Manager,Operations <br /> S. L. Patterson <br /> Area Manager,Operations <br /> C.G.Trirnbacfi <br /> Manager,Engineering it <br /> Gordon Boggs <br /> California Regional Water [_N'ViROME``'IAL HEALTH <br /> g Quality k"•LRI' IT/SERVICES <br /> Control Board <br /> Central Valley Region , <br /> 3443 Routier Road <br /> Sacramento, 'California <br /> 95827 i <br /> RE: Chevron SS 9-7780 !: <br /> 3246 East Fremont Street <br /> Stockton, California <br /> Dear Mr. Boggs: ;� <br /> r. E <br /> k i <br /> On behalf of Chevron U. S.A. Inc`. ;(;' EA Engineering,) Science, and <br /> Technology; Inc. ( EA ) has prepared the enclosed report for the f <br /> above-referenced site . <br /> Hydrocarbons have- been documented in ground water at this -site'., <br /> Although contamination was not detected in a recent analysis of <br /> tap samples from nearby wells, computer modeling30f ground-water ' <br /> transport suggests that in a fewjyears benzene levels in the 1 <br /> nearest wells might slightly exceed the Primary Drinking Water <br /> Standard ( 0 .;005 mg/L ) . <br /> .E I <br /> Therefore, .' Chevron U. S.A. will JrIstall and sample; four new <br /> ground-water monitoring wells . ! This will be foll'Owed by develop- <br /> ment of a remedial action plan aiimed at significant reduction of <br /> the risk of contamination of drinking water. This plan is to be <br /> considere&-as an attachment to the present report!, and will be <br /> followed by a Final Remedial Plan: <br /> If you should have questions or, require further information, <br /> please do not hesitate to contactli, Robert Stolz ,at ( 415 ) 836-5302 . I <br /> E ;I <br /> ' -Viery truly yours,; <br /> D,.S. MOLLER <br /> ;i Byi/G ct� <br /> ''I R. S. Stolz <br /> Engineer <br /> RSS :ds I <br /> cc: San Joaquin Local Health District <br /> I EI <br />