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own <br /> FUGRO WEST, INC. ,.. <br /> 1050 Melody lane,Suite 160 <br /> Roseville,California 95678 <br /> Tel: (916)782-2110 <br /> February 13, 1996 FAX: (916)786-7830 <br /> Project No. 9347-9046 <br /> Mr. Mike Infuma <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 445 N. San Joaquin Street <br /> P.O. Box 388 <br /> Stockton, CA 95201-0388 <br /> Subject: Fourth Quarter 1995 Ground Water Monitoring Report <br /> Shell Service Station (WIC No. 204-7524-4404) <br /> 3011 West Benjamin Holt Drive, Stockton, California <br /> Dear Mr. Infurna: <br /> Fugro on behalf of Shell Oil Products Company (Shell) is pleased to provide the San <br /> Joaquin County Public Health Services Environmental Health Division (PHS/EHD) the attached <br /> Fourth Quarter 1995 Ground Water Monitoring Report. This report documents the results of <br /> ground water monitoring and sampling performed on November 17, 1995, by Blaine Tech <br /> Services, Inc., of San Jose, California. <br /> During the first quarter of 1996, Shell plans to remove and replace the three existing steel, <br /> single-wall underground fuel storage tanks (USTs). Samples will be collected and analyzed <br /> during this activity to determine if petroleum hydrocarbons have impacted soil, or pose a threat <br /> to ground water, in the area of the existing USTs. <br /> In a letter dated November 30, 1995, the PHS/EHD expressed interest in the low levels <br /> of contamination which had been present in monitoring well MW-3. Historically ground water <br /> flow beneath the site has been in a north-easterly direction. This puts MW-3 approximately 15 <br /> feet downgradient of the existing UST basin. Although MW-3 has historically indicated <br /> concentrations of total petroleum hydrocarbons as gasoline (TPHg), during the November 1995 <br /> sampling event laboratory analysis did not detect TPHg in samples collected from MW-3. <br /> Benzene, toluene, ethylbenzene, and total xylenes have not been detected above the practical <br /> 9347-9046-4gnvcovrAr <br /> A member of the Fugro group of companies with offices throughout the world <br />