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Table 1 - Soil Chemical Analytical Data <br /> Former Unocal Service Station No 0187 <br /> 437 East Miner Avenue <br /> Stockton,California <br /> Sample Sample Sample Depth TPHg Benzene Toluene Ethylbenzene Xylenes MtBE Lead <br /> No Date (feet bgs) (ppm) (ppm) (ppm) ( pm) (ppm) Win) (ppm) <br /> Monitoring Well U-26 <br /> U-26-31 5 2-19-02 31 5 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ----- <br /> U-26-51 5 2-19-02 51 5 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ----- <br /> U-26-61 2-19-02 610 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ---- <br /> U-26-71 2-19-02 710 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ----- <br /> U-26-80 5 2-19-02 805 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ----- <br /> U-26-90 5 2-19-02 905 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 --- <br /> U-26-111 2-19-02 1110 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ----- <br /> U-26-119 2-19-02 1190 <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 ---- <br /> • Drill Cutting Stockpile <br /> SP-1,2,3,4 2-19-02 ----- <br /> <0 50 <0 0050 <0 0050 <0 0050 <0 0050 <0 0050 <25 <br /> Explanation: Analytical Method <br /> TPHg=Total Petroleum Hydrocarbons as gasoline TPHg,BTEX and MtBE by DHS LUFT Methods <br /> BTEX=Benzene,Toluene,Ethylbenzene,Xylenes Lead by EPA Method 6010B <br /> MtBE=Methyl tert-butyl ether <br /> bgs=below ground surface Analytical Laborato : <br /> ppm=parts per million Sequoia Analztycal (ELAP#1624) <br /> 240042 11 <br />