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Chevron <br /> IWO Chevron U.S.A. Inc. <br /> 2410 Camino Ramon,San Ramon,California•Phone 141518429500 <br /> 11.1.1 MMM P0.am 50114.San Ramon,G 94503 0004 <br /> Marketing Operations <br /> 0.Moller October 31, 1988 <br /> Drvivpn Menapu,0p..1W. <br /> S.L.Panermn <br /> Area Manger,opera[,= <br /> C.G.Trimbach <br /> Mavape,.fnpinee:in9 <br /> Ms. Diane Hinson <br /> San Joaquin Local Health District <br /> 1601 E. Hazelton St. p lll,I <br /> Stockton, CA 93203 NO <br /> Re: Former Chevron Station Jl9-1918 101 •apr <br /> Nvi�/ 8 <br /> 43 E. Harding Way ap?M/It/, AL <br /> Stockton, CA /6ERV�C S iM <br /> Dear Ms. Hinson: <br /> We plan on closing the tank hole at the subject site starting Wednesday <br /> November 2, 1988. Attached are the certified analytical results. As you <br /> can see at 20' in the hole, Total Petroleum Hydrocarbons as Gasoline range <br /> from ND to 6240 ppm. We have excavated to the limit of our equipment. <br /> The open tank hole continues to be a safety hazard which we would like to <br /> eliminate. If additional soil clean-up is required, we will treat it in-situ. <br /> This will be determined by the installation of soil borings/monitoring wells. <br /> On August 9, you forwarded a draft of the approval of the workplan for the <br /> installation of 3 soil borings/monitoring wells. We will incorporate your 8 <br /> considerations into the work plan. Based on the information we have on the <br /> tank hole, we propose to add 3 additional borings to the work plan. All <br /> approved protocol will be followed. Attached is a groundplan showing <br /> locations of all wells. <br /> The paperwork allowing our consultant to release data to you was forwarded <br /> to in August. If you need additional clarification, please call Kay Huffman <br /> at (415)842-9602. - <br /> Very truly yours, <br /> D. MOLLER <br /> By �,ll t(.�!,•,. <br /> Kay Nuffmaln,Engineer <br /> K H:Jt:XK 1-52 <br /> Attachment <br /> cc: Mr. Doug Selby <br /> EA Engineering <br /> 41A Lafayette Circle <br /> Lafayette, CA 94549 <br />