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i • <br /> Table 1. Summary of Laboratory Analysis From Extraction System, <br /> ARCO Facility 2133, Stockton <br /> Volatile organics, pgll EPA Method Other constituents, <br /> EPA Method 8015180201602 418 1 mgll <br /> Date pH (field Petroleum <br /> sampled measurement) Benzene Toluene Ethylbenzene Xylenes oil, mgll Lead <br /> 318195 7 0 5 0 <0 5 <0 5 12 <1 0 <0 050 <br />