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TABLE 1: Summary of Soil Analyses: Former Tank Cavity and Product Line Trenches <br /> ARCO Facility No 2130,Stockton,California <br /> Sample Depth BTEX Distinction Total <br /> ' Designation Date feet TPH-G Benzene Toluene Ethylbenzene Xylenes Lead EDB <br /> ' Former Tank Qavity <br /> T1A 8/20/93 160 4,000 17 120 100 620 NA NA <br /> ' TO 8/20/93 160 ND ND ND ND ND NA NA <br /> T2A 8/20/93 160 3,400 2,4 38 50 330 28 ND <br /> T2B 8/20/93 160 ND ND ND ND ND 67 ND <br />' T3A 8/20/93 160 16 ND 00073 ND 0 031 64 ND <br /> T3B 8/20/93 160 ND ND ND ND ND 64 ND <br /> ' T4A 8/20/93 160 2,200 27 2.9 ND 31 NA NA <br /> T4B 8/20/93 160 18 021 ND ND 0 029 NA NA <br /> ' Product Line Trenches <br /> L1 9/9/93 25 24 0 089 ND 043 20 NA NA <br /> L2 9/9/93 2.5 1,600 ND 14 32 200 NA NA <br /> L3 9/9/93 25 650 ND 096 54 41 NA NA <br /> ' <br /> 14 9/9/93 25 64 0 012 000.55 0 063 042 NA NA <br /> L5 9/9/93 2.5 ND ND ND ND ND NA NA <br /> 1 <br /> 1 <br /> ' FOOTNOTES <br />' All concentrations reported in mg/kg (ppm) <br /> TPH-G = Total Purgeable Petroleum Hydrocarbons(USEPA Method SOLS) <br /> BTEX Distinction (USEPA Method 8020) <br />' Total Lead (USEPA Method 7421) <br /> EDB = Ethylene Dibromide(USEPA Method 8010) <br /> ND = Not detected (for detection limits see laboratory reports) <br /> NA = Not Analyzed <br /> bgs = Below ground surface <br />