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1 <br /> Table 1. Soil Analytical Results, <br /> ARCO Facility 5450, Stockton, California <br /> Concentrations in mg/kg <br /> Sample ID Date Sample <br /> Collected Depth(feet, TPH-G Total MTBE <br /> bgs) (a) Benzene Toluene Ethylbenzene Xylenes (b) <br /> MW-1 7/30/96 5-55 <1 0 <0 0050 <0 0050 <0 0050 00089 <0 050 <br /> MW-1 7/30/96 10-105 <1 0 <0 0050 <0 0050 <0 0050 00070 <0 050 <br /> MW-1 7/30/96 15-155 <1 0 <0 0050 <0 0050 <0 0050 00064 <0 050 <br /> SP-1,2,3,4 7130/96 -- <1 0 <0 0050 <0 0050 <0 0050 <0 0050 -- <br /> (a)Total Petroleum Hydrocarbons as Gasoline <br /> (b)Methyl Tertiary Butyl Ether <br /> Dashes indicate not analyzed or not applicable <br /> Note Soluable Threshold Limit Concentration for Lead on composited `SP-1,2,3,4' sample <br /> was 0 51 mg/L (See Appendix D for soil laboratory data sheets) <br /> Table 2. Groundwater Analytical Results, <br /> ARCO Facility 5450, Stockton, California <br /> 14 a <br /> Concentrations in'- <br /> Sample <br /> n Sample Date TPH-G Total MTBE <br /> ID Collected (a) Benzene Toluene Ethylbenzene Xylenes (b) <br /> MW-1 7/30/96 <50 054 <0 50 <0 50 <0 50 35 <br /> (a) Total Petroleum Hydrocarbons as Gasoline <br /> (b)Methyl Tertiary Butyl Ether <br /> 401 N EPORM4SORPTI.DOC <br />