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• TAO 5 • <br /> SOIL SAMPLE ANALYTICAL RESULTS FROM <br /> USED OIL TANK EXCAVATION ACTIVITIES <br /> Concentrations in milligrams per kilogram(mg/kg) <br /> Former Exxon Service Station No. 7-3330 <br /> 3128 West Benjamin Holt Drive <br /> Stockton, California <br /> Hexavalent Total TPH' as TPH as Oil and <br /> Sample ID Date Depth Cadmium Chromium Chromium Nickel Lead Zinc dieselasg oline Grease <br /> 1000-01-Sb 10/09/91 10.5 <1.0 13 16 24 19 42 <5.0 <1.0 NA` <br /> 1000-02-Ne 10/09/91 10.5 <1.0 40 8 49 15 110 <5.0 <1.0 NA <br /> W01 05/30/92 6 NA <0.1 NA 13 12 NA NA NA 60 <br /> W02 05/30/92 8 NA <0.1 NA 12 12 NA NA NA 77 <br /> W03 05/30/92 7 NA <0.1 NA 8.8 <10 NA NA NA <50 <br /> W04 05/30/92 8 NA <0.1 NA 7.9 <10 NA NA NA <50 <br /> W05 05/30/92 11 NA <0.1 NA 6.3 <10 NA NA NA <50 <br /> Total petroleum hydrocarbons. <br /> Soil sample analyzed for benzene, toluene,ethylbenzene, total xylenes(EPA Method 8020),polychlorinated biphenyls(EPA Method 8080), and purgeable aromatics(EPA <br /> Method 8010). All sample analytes were below the laboratory's limits of detection. <br /> Not analyzed. <br /> i <br /> I <br /> RPTOO1.810 <br />