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MEMO I ' <br />41838 CHRIST`! STREET • FREMONT, CA 94538 <br />PHONE (415) 6594404 • CONTR. UC. No. 484324 <br />January 23, 1987 <br />Quote No. 6094G <br />Mr. Larry Hardison <br />Stockton Service Station <br />Equipment Co., Inc. <br />P.O. Box 508 <br />Stockton, CA 95201 <br />Re: Soil Sampling Beneath Subsurface Storage Tank <br />Dear Mr. Hardison: <br />This letter is to confirm.our phone conversation of January 21 <br />concerning soil sampling and analysis.at 3200 East 8 Mile Road in <br />Stockton, California. The purpose of the sampling is to ascertain <br />whether or not leakage has occurred in an in-place diesel storage <br />tank. <br />One exploratory boring will be drilled at approximately a 45 <br />degree angle. Soil samples will be collected at five foot intervals. <br />Samples will be logged, sealed with foil, capped, and packed in ice <br />for transport to the laboratory. The borehole will be backfilled with <br />grout upon completion. <br />Soil samples will be analyzed for total extractable hydrocarbons <br />at a state certified analytical laboratory using EPA approved methods. <br />Exceltech will prepare a letter report documenting sample location, <br />borehole log, and a copy of the chemical analysis report. The above <br />work is proposed for a fixed fee of It is our understanding <br />that the boring site is not obstructed by overhead wires or under- <br />ground utilities and the price is dependent upon this assumption. <br />Currently, we are awaiting the arrival of a permit application <br />from San Joaquin Local Health District. A drilling date will be <br />designated when the well permit is approved. We will advise you of <br />the date at that time. <br />If you have any question, please contact our office. <br />Very truly yours, <br />Exceltech, Inc. <br />Stephen Costello <br />Staff Geologist <br />cc San Joaquin Local Health District <br />Ms. Laurie Cotulla <br />