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1 <br /> I <br /> JL <br /> Table 1. Summary of Detected Constituents From Extraction System, <br /> ARCO Station 2133, Stockton <br /> TPH/gas and volatile organics, pg/l <br /> EPA Method 8015/8020 <br /> Date TPH as Copper, <br /> sampled Benzene Ethylbenzene Toluene Xylenes gas Mg/l <br /> 1/13/93 57 23 088 73 760 0 011 <br /> 1/27/93 14 <0 5 <0 5 170 1,400 <br /> 2/10/93 190 22 63 210 1,600 0 031 <br /> 2/24/93 2 <0 3 05 <0 5 160 <br /> 3/10/93 89 1 21 160 1,100 <0 01 <br /> 4/14/93 85 5 18 180 1,500 -- <br /> 7452VCQRRE,SF\7452d14 1,5 <br />