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TABLE 1 <br /> Results of Chemical Analyses of Soil Samples <br /> Collected From the Former Tank Cavity <br /> A Teichert & Son, Inc <br /> 29099 South McArthur Lane, Tracy, California <br /> Sample Chloro- Ethyl- 0 & P <br /> Number Date TPH Benzene Toluene benzene benzene M-Xylene Xylene <br /> Base of Tank Cavity - Initial Excavation <br /> 28471-1(10) 03/12/87 15,000 35 260 <5 0 93 260 220 <br /> 28471-2(10) 03/12/87 5,500 <2 5 39 <2 5 16 73 70 <br /> 28471-3(10) 03/12/87 <20 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <br /> Backhoe Pit <br /> (18 5) 05/08/87 <10 <0 001 'CO 001 <0 001 <0 001 <0 001 <0 001 <br /> Sample Ethyl- Total <br /> Number Date TPH TPHd NO Benzene Toluene benzene Xylenes <br /> Base of Tank Cavity - Additional Excavation <br /> 1-26-SW 11/11/87 <10 <10 <10 <0 001 <0 001 <0 001 <0 001 <br /> 2-18-NW 11/11/87 <10 <10 <10 <0 001 <0 001 <0 001 <0 001 <br /> 3-28-NE 11/11/87 <10 <10 <10 <0 001 <0 001 <0 001 <0 001 <br /> 4-17-NC 11/11/87 <10 <10 <10 <0 001 <0 001 <0 001 <0 001 <br /> 5-28-SE 11/11/87 <10 <10 <10 <0 001 0 020 0 200 3 250 <br /> Results in parts per million <br /> TPH = Total petroleum hydrocarbon <br /> TPHd = Total petroleum hydrocarbon as diesel <br /> MO = Motor oil <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = below detection limits for the analytical method used <br /> Sample Designation <br /> 28471-1(10) Sample location - sample number (sample depth in feet) <br /> 1-26-SW Sample number - sample depth in feet - sample location (southwest sidewall) <br /> I <br /> 0504gtok/123009 01 <br />