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- - <br /> w. <br /> TABLE 4 CONCENTRATIONS (mg/kg) OF HYDROCARBON CONSTITUENTS IN SOIL SAMPLESd COLLECTED AT <br /> FORMER EXXON RS 7-1050, 909 W. HAMMER LANE, STOCKTON,_ CALIFORNIA, 1986, 1987 <br /> Total <br /> Sample Depth volatile Ethyl- Ethylene Oil and <br /> Number (feet) Hydrocarbons Benzene Toluene Xylene benzene Dibromide Lead_ Grease PCH <br /> 04 FEB 1986 <br /> S-1 3 280 1.2 7,1 38 <br /> S-2 10 180 16 6.6 4.6 <br /> S-3 10 4,600 350 3,100 980 <0.001 12 <br /> S-4 10 39 0.2 1.1 1.6 <0.001 5.2 <br /> S-5 10 40 0.14 0.78 0.80 <0.001 5.9 <br /> S-6 350 <1.0 <br /> 24 NOV 1986 <br /> MW3(C) 14 0.057 0.001 <0.001 0.003 <br /> MW3(H) 39 0.58 0.16 1.l 0.62 <br /> MW3(I) 44 0.19 0.043 -1.043 0.086 <br /> 22 JUN 1987 <br /> MW4 45 <0.5 <0.5 <0.5 <0,5 <0.5 <br /> MW5 45 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> a. Collected by Groundwater Technology, Inc. <br /> Blank indicates constituent not analyzed for. <br /> 07/71050/mey91A4 <br />