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` TABLE 1: Summary of Soil Sample Analyses: Soil Borings B1 - B5 j <br /> ARCO Facility No.2093,Tracy,California <br /> I <br /> Sample Depth BTEX Distinction <br /> Designation Date feet b TPH-G Benzene Toluene Ethyl Benzene Xylenes <br /> B1-5 5/4/93 4.5-5 ND 0.34 ND 0.023 0.027 <br /> B1-8 5/4/93 75-8 20 0.96 0.091 0.20 0.27 <br /> B1-13 5/4/93 12.5-13 590 13 39 11 62 <br /> 1 <br /> B2-6 5/4/93 5.5-6 3.4 0.46 0.032 0.10 0.21 <br /> B2-11 5/4/93 10.5-11 720 8.1. 20 13 38 <br /> B3-5 5/4/93 5-5.5 4.3 0.45 0.017 0.092 0.032 <br /> B3-8 5/4/93 75-8 15 0.46 0.14 0.2 0.29 <br /> B3-11 5/4/93 10.5-11 66 0.90 0.68 0.98 2.0 <br /> B4-6 5/4/93 5.5-6 ND 0.069 ND ND ND <br /> B4-11 5/4/93 105-11 86 0.67 ND 0.57 0.48 <br /> B5-5 5/4/93 5-5.5 ND 0.11 ND 0.0073 ND <br /> B5-8 5/4/93 75-8 40 0.98 0.14 0.49 0.51 <br /> B5-11 5/4/93 10.5-11 4.8 0.96 0.011 0.22 0.082 <br /> I <br /> I <br /> t <br /> _FOOTNOTES <br /> All concentrations reported in mg/kg (ppm) <br /> TPH-G =Total Purgeable Petroleum Hydrocarbons (USEPA Method 8015) <br /> BTEX Distinction(USEPA Method 8020) <br /> ND = Not Detected <br /> bgs = below ground surface <br />