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Mr.Michael Walton October 16,2003 <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 /> ANAT,YT <br /> 7 T� SP1a�d . Comm <br /> g <br /> Fuel Hydrocarbons (mg/kg) <br /> TPHg <1.0 <1.0 1.0 <br /> TPHd 7.5 46 1.0 <br /> Benzene <0.005 <0.005 0.005 <br /> Toluene <0.005 <0.005 0.005 <br /> Ethylbenzene <0.005 <0.005 0.005 <br /> Total Xylenes <0.005 <0.005 0.005 <br /> Fuel Oxygenates (mfg) <br /> Methyl t-butyl Ether 0.075 <0.005 0.005 <br /> di-Isopropyl Ether <0.005 <0.005 0.005 <br /> Ethyl t Butyl Ether <0.005 <0.005 0.005 <br /> t-Amyl Methyl Ether <0.005 <0.005 0.005 <br /> t-Butanol 0.0065 <0.005 0.005 <br /> Oils and Grease (mfg) <br /> TPHmo 11 34 10 <br /> Volatile Organic Compounds (mg/kg) <br /> All compounds <0.005 <0.005 0.005 <br /> Polychlorinated Biphenyls (mg/kg) <br /> All aroclors <0.050 <0.050 0.050 <br /> CAM 5 Metals(TTLC) (mfg) <br /> Cadmium <br /> <0.50 <0.50 0.50 <br /> Chromium(total) 27.9 23.2 0.2 <br /> Chromium(III) 27.9 22.94 0.040 <br /> Chromium(VI) <0.040 0.26 0.040 <br /> Lead 6.03 4.47 0.50 <br /> Nickel 32.0 25.8 0.2 <br /> Zinc 57.3 51.9 1.0 <br /> TPHg=Total Petroleum Hydrocarbons m the range of gasoline <br /> TPHd=Total Petroleum Hydrocarbons in the range of diesel fuel <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 /> m =milligram/kilogram (parts per million <br /> GRAYLAND ENVIRONMENTAL <br /> Grayland 022-370.fdr 4 <br />