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1041 S PERSHING AVE„ STOCKTON, CALIFORNIA 95206 <br /> 209i462 9911 NO. CALIF. 8001332.5900 <br /> f A1d p:•run ylptr nC aa,r;7{ <br /> WC <br /> July 12, 1989 <br /> San Joaquin Local health District <br /> Environmental Health <br /> P. O. Box 2009 <br /> Stockton, CA 95201 <br /> Re: Laura Scudders, 100 W. Valpico Road, Tracy, California <br /> Dear Sirs, <br /> Precision Industries, Inc. has been involved in the removal of <br /> underground storage tanks at the above named facility, <br /> At the present time, <br /> three categories. the project work scope can be set into <br /> 1) Excavation of Tank 3 <br /> Tank #3, a 12,000 gallon tank, was removed on May 17, 1989. At <br /> that time two soil samples were collected <br /> Whey are identified by Roy P. Weston Labs. <br /> by T-3 North and T-3 south in the enclosed soil <br /> 1e reports. Because of the condition of the excavation, the <br /> collection of the third sample from under the middle of the tank was <br /> delayed until June 7, 2989. These sample results are identified a5 <br /> ML`-A for the EPA 8020 method and M-B for nodified 8015 method. <br /> Soil sample analysis for tank T--3, EPA 8020 and modified 8015 <br /> Standards indicate nondetectable component values. In acoordance we <br /> request permission to backfill and install an asphalt cap over the <br /> tank #3 area. <br /> 2) bccavation of Tank 1 <br /> Tank #1, a 1,000 gallon gasoline tank, was removed on May 22, 1989. <br /> At that time, two soil samples were extracted by Roy F. Weston labs, <br /> These samples are identified by T-1 East and T-1 West in the. soils <br /> report. <br /> '�- ---..._Zhe_samples_wexe--extracted at-a-depth-of-eleven--feetThe EPA 8020 standard analysis indicated nc)r etec} 1e <br /> EPA 80levels. The <br /> 15 modified standard <br /> y analysis indicated ncmdetectable levels. <br />