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DAMES & MOORE A PROFESSIONAL LIMITED PARTNERSHIP <br /> 1320 EAST SHAW AVENUE, SUITE 110, FRESNO, CALIFORNIA 93710 (209)222-7892 <br /> FAX(209)222-1937 <br /> July 10, 1990 <br /> Chevron USA <br /> P.O. Box 5004 R E C E I V:E ,,[),,, <br /> San Ramon, California 95001 J U L 1 6 .(S-,) <br /> ENVIRONMENTAL HEALTH <br /> Attention: Nancy Vukolich PERMIT/SERVIvES <br /> Re: Composite Sampling and .Analysis <br /> Chevron Service -Station #9-6155 <br /> Highway 99 and Morada Lane <br /> Stockton, California <br /> j <br /> Dear Ms. Vukoiich: <br /> Pursuant to your request, Dames & Moore has completed <br /> the sampling of stockpiled soil originating from the <br /> excavation and removal of underground fuel storage tanks at <br /> the former Chevron Station #9=6155, in Stockton, California <br /> (Plate 1) . The scope of services was limited to ' obtaining <br /> soil samples, field screening of aerating soils, chemical <br /> analysis of samples' at•a •Chevron-specified laboratory and the <br /> preparation of, a -report summarizing, our findings. <br /> The Chevron stati6n .was demolished in 1986, at which <br /> time the underground storage tanks were removed. Soil <br /> contamination was noted at that time. In January, 1990, <br /> Dames & Moore began the remedial action for the site. ' The <br /> . contaminated soil -was -excavated and allowed to aerate.. At <br /> the request of the Central Valley Regional Water Quality <br /> - OFFICES WORLDWIDE - <br /> y <br />