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FEB 101989 <br /> ENVIRONMENTAL HFAITH <br /> Applied GeoSystelns 4191-E Power Inn Road, Sacramento, C WPEA-2901 <br /> • FREMONT • COSTA MESA * SACRAMENTO • HOUSTON <br /> February 7, 1989 <br /> 0206HKNO <br /> AGS 2081-P <br /> Mr. Harlin Knoll <br /> San Joaquin Local Health District <br /> 1601 East Hazelton Avenue <br /> Stockton, California <br /> Subject: Removal of contaminated soil in the former waste oil <br /> tank cavity at ARCO Service Station No. 760, 225 South <br /> Cherokee Lane, Lodi, California. <br /> Mr. Knoll: <br /> To confirm our telephone conversation of February 2, 1989, <br /> concerning the removal of contaminated soil in the former waste <br /> oil tank cavity at ARCO Service Station No. 760, 225 South <br /> Cherokee Lane, Lodi, California, we understand the following <br /> chemical analyses of the contaminated soil are required: <br /> o Total Petroleum Hydrocarbons (TPH) as gasoline by Modified <br /> Environmental Protection Agency (EPA) Method 8015 - low <br /> boiling point; <br /> o TPH as diesel by Modified EPA Method 8015 - high boiling <br /> point; <br /> o Purgable hydrocarbon constituents benzene, toluene, <br /> ethylbenzene and total xylene isomers by EPA Method 8020; <br /> o Total oil and grease by EPA Method 503e; <br /> o Chlorinated halocarbons by EPA Method 8010; <br /> o Heavy metals (lead) ; <br /> 0 Polychlorinated biphenyls by EPA Method 808 . <br />