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0 <br /> Table 1. Analytical Results of Soil Samples from ARCO Station 6100, <br /> P4 { 25775 South Patterson Pass Road, Tracy, Californiaa <br /> TEA-2 TEA-3 TEA-4 TSP-4 TSP-5 Detection Suggested <br /> Constituent 8-7-87 8-7-87 8-7-87 8-25-87 8-25-87 limit level <br /> EPAc 8010, solvents: <br /> Freon 113 0.02 NDd 0.01 ND ND 0.01 0.19 <br /> EPA 8015, modified <br /> total petroleum <br /> fuel hydrocarbons: C° 'J <br /> Motor oil range 260 ND 67 22,725 808 10 NEe <br /> EPA 8020: <br /> Benzene ND 0.01 ND ND ND 0.01 0.7 <br /> Toluene ND ND ND ND ND 0.01 100 <br /> Xylene ND ND ND ND ND 0.01 620 <br /> EPA 8080, pesticides: <br /> PCBsf ND ND ND ND ND Variableg 0.00079 <br /> 4,4'-DDD ND ND ND ND 0.0073 0.0028 NE <br /> Methoxychlor ND ND ND ND 0.0286 0.008 44 <br /> Note: All units are in milligrams per kilogram. <br /> aComplete laboratory report is enclosed. <br /> bRegional Board's suggested level for the protecton of groundwater quality <br /> (September, 1986) . <br /> cA.S. Environmental Protecton Agency Method. <br /> dNondetectable constituent. <br /> eNo designated or suggested level yet established for this constituent. <br /> (Polychlorinated biphenyls. <br /> gDetection limits variable because of dilution. <br />