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1 <br />Mr, Michael Walton <br />October 16, 2003 <br />1 <br />Walton Engineering, Inc. <br />TABLE 1 <br />LABORATORY ANALYTICAL RESULTS OF SOIL SAMPLE ANALYSES <br />STORAGE TANK REMOVAL <br />15 GRANT LINE ROAD, TRACY, CALIFORNIA <br />1------------ <br /><> '. <br />ANAs. <br />d <br />1 <br />LmrMom <br />. <br />Fuel Hydrocarbons <br />(mg/kg) <br />1 <br />TPHg <br />TPHd <br /><1.0 <br />7.5 <br /><1.0 <br />46 <br />1.0 <br />1.0 <br />Benzene <br /><0.005 <br /><0.005 <br />0.005 <br />Toluene <br /><0.005 <br /><0.005 <br />0.005 <br />1 <br />Ethylbenzene <br /><0.005 <br /><0.005 <br />0.005 <br />Total Xylenes <br /><0.005 <br /><0.005 <br />0.005 <br />Fuel Oxygenates <br />(mg/kg) <br />1 <br />Methyl t -butyl Ether <br />0.075 <br /><0.005 <br />0.005 <br />di4sopropyl Ether <br /><0.005 <br /><0.005 <br />0.005 <br />Ethyl t -Butyl Ether <br /><0.005 <br /><0.005 <br />0.005 <br />t -Amyl Methyl Ether <br /><0.005 <br /><0.005 <br />0.005 <br />t -Butanol <br />0.0065 <br /><0.005 <br />0.005 <br />Oils and G <br />(mg/kg) <br />TP o <br />11 <br />34 <br />10 <br />Volatile Organic Compounds <br />(mg/kg) <br />1 <br />All compounds <br /><0.005 <br /><0.005 <br />0.005 <br />Polychlorinated Biphenyls <br />(mg/kg) <br />1 <br />All aroclors <br /><0.050 <br /><0.050 <br />0.050 <br />CAM 5 Metals (TTLC) <br />(mg/kg) <br />Cadmium <br /><0.50 <br /><0.50 <br />0.50 <br />1 <br />Chromium (total) <br />27.9 <br />23.2 <br />0.2 <br />Chromium (III) <br />27.9 <br />22.94 <br />0.040 <br />1 <br />Chromium (VI) <br />Lead <br /><0.040 <br />6.03 <br />0.26 <br />4.47 <br />0.040 <br />0.50 <br />Nickel <br />32.0 <br />25.8 <br />0.2 <br />Zinc <br />57.3 <br />51.9 <br />1.0 <br />1 <br />TP� = Total Petroleum Hydrocarbons in the range of gasoline <br />TPHd Total Petroleum Hydrocarbons in the range of diesel fuel <br />1 <br />TPHmo = Total Petroleum Hydrocarbons as motor oil <br />TTLC = Total Threshold Limit Concentration <br />< = less than the reporting limit of the laboratory method <br />1 <br />nigft = milli o <br />r million <br />1 <br />GRAFLAND ENVIRONMENTAL <br />Grayland 022-370.fdr <br />4 <br />