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Page 2 of.2 <br /> Table lt Soil Sample Analytical Results <br /> Chevron Service Station#9-4275 - <br /> 2905 West Benjamin Holt Drive <br /> Stockton,California <br /> Depth of TPH as <br /> Boring Sample Gasoline Benzene Toluene Ethylbenzene Xylene MTBE <br /> Number Date (feet) (mg/kg) (a) (mg/kg) (a) (mg/kg) (a) (mg/kg) (a) (mg/kg) (a) (mg/kg)(a) <br /> GM-7 13-Nov-96 5 ' ND(<1.0) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.050) <br /> 10 ND(<1:0) ND(<0.0050) ND(<0.0050) ND(<0.0050) 0.012 ND(<0.050) <br /> 15 ND(<1.0) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.050) <br /> 20 22 0.080 0.064 0.74 1.4 ND(<0.50) <br /> 25 1.6 0.018 ND(<0.0050) 0.13 0.18 ND(<0.050) <br /> 30 ND(<i.0) ND(<0.0050) ND(<0.0050) 0.013 . 0.040 0.083 <br /> GM-8 13-Nov-96 5 ND(<1.0) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.050) <br /> 10 ND(<i.0) ` ND(<0.0050) ND(<0.0050) ' ND(<0.0050) ND(<0.0050) ND(<0.050) <br /> 15 ND(<1.0) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.0050) ND(<0.050) <br /> 20460 1.2 0.59 6.5 9.3 ND(<5.0) <br /> 25 8.5 0.044 0.054 0.065 0.088 ND(<0.125) <br /> (a) Analyzed by USEPA Method 5030/8015, modified/8020. <br /> TPH Total petroleum hydrocarbons <br /> MTBE Methyl tertiary butyl ether <br /> mg/kg Milligrams per kilogram <br /> NDO Not detected (laboratory method detection limit in parentheses) <br /> Laboratory analysis performed by Sequoia Analytical, Walnut Creek,California. <br /> Project No. RC0309.005 nISO,J,, <br />