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r <br /> y <br /> r <br /> PR0UEM ASSESSMENT REPORT <br /> Moore Petroleum, Inc. <br /> 14800 W. Frontage Road, Manteca, CA <br /> NGA Project no. 10-90-479 <br /> Page B <br /> Soil samples collected from the South ends of the unleaded and <br /> leaded gasoline tanks and the North end of the diesel tank have <br /> significantly higher TPH concentrations (2200, 2400, and 1400 ppm <br /> respectively). Soil samples analyzed for diesel (EPA Method 8270) <br /> indicate relatively low TPH diesel concentrations (100 and 24 ppm <br /> from the North and South end of the diesel tank) . <br /> Table 3 presents a summary of soil analytical results from all soil <br /> samples collected at the site. Laboratory reports of all soil <br /> samples are presented in Appendix B. <br /> TABLE 3 <br /> Boil. Analytical Results <br /> Sample Depth Ethyl- TPH TPH <br /> ID (ft) Benzene Toluene Benzene Xylenes EDC EDB as (diesel) <br /> _.MW-1 5 NF NF NF NF NF NF <1.0 NA <br /> 10 NF 0.004 NF NF NF NF <1.0 NA <br /> 15 0.057 0.071 0.014 0.52 0.002 0.003 10.0 NA <br /> 20 NF O.i2 0.09 0.63 NF NF 8.0 NA <br /> " 25 0.26 0.024 0.048 0.12 0.010 NF 2.7 NA <br /> f 30 0.019 0.024 NF 0.005 0.004 NF 0.5 NA <br /> izMW-2 5 0.008 0.023 0.005 0.040 NF NF 0.8 NA <br /> 10 0.003 0.024 NF 0.007 NF NF 0.6 NA <br /> 15 0.23 0.53 0.27 1.7 0.001 NF 46.0 NA <br /> 20 0.06 0.37 0.31 1.9 NF NF 88.0 NA <br /> 25 0.13 0.13 NF 0.06 NF NF 1.0 NA <br /> 30 NF 0.045 NF NF NF NF 0.6 NA <br /> MW-3 15 0.5 1.2 0.8 8.0 NF NF 78.0 NA <br /> 30 0.015 0.010 NF 0.010 NF NF NF NA <br /> MW-4 15 0.7 4.5 4.2 24.0 NF NF 190.0 NA <br /> (DUP) 15 0.7 3.3 3.1 19.0 NF NF 150.0 NA <br /> 25 0.054 0.012 NF 0.018 NF NF NF NA <br /> MW-5 30 0.068 0.004 NF 0.008 . NF NF 1.3 NA <br /> NW-6 30 NF NF NF NF NF NF NF NA <br /> 14W-7 25 0.003 PTF NF 0.002 NF NF NF NA <br /> MW-8 30 NF NF Ni' NF NF NF NF NA <br /> �'.0 <br />