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TABLE 4 - SOIL SAMPLE CHENHCAL ANALYTICAL DATA - OXYGENATE COMPOUNDS <br /> Tosco (Former BP) Service Station No. 11195 <br /> 16500 South Interstate -5 <br /> Lathrop, California <br /> Sample <br /> Sample Sample Depth Ethanol TBA MTBE DIPE ETBE TAME 1,2-DCA EDB <br /> No. Date (in feet) (Ppm) (ppm) (ppm) (ppm) (Ppm) (Ppm) (Ppm) (Ppm) <br /> MW-13-S5.5 5/29/02 5.5 <0.20 <0.050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br /> MW-14-S7 5/29/02 7.0 <0.20 <0.050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br /> MW-15-S5.5 5/28/02 5.5 <0.20 <0.050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br /> MW-16-S9.5 5/28/02 9.5 <0.20 <0.050 0.040 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br /> MW-17-S7.5 5/28/02 7.5 <0.20 <0.050 <0,0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <br /> Stockpile Sample <br /> Camp-1(A,B,C,D) 5/29/02 NA <0.0501 <br /> EXPLANATION: ANALYTICAL LABORATORY: <br /> ppm=parts per million Sequoia Analytical,Walnut Creek(FLAP#1271) <br /> ---=not analyzed <br /> NA=Not Applicable <br /> =MtBE by EPA Method 8021 <br /> ANALYTICAL METHOD: <br /> Ethanol by EPA Method 8260B <br /> TBA=tert-Butyl alcohol by EPA Method 8260B <br /> MTBE=Methyl tert-butyl ether by EPA Method 8260B <br /> DIPE=Di-isopropyl ether by EPA Method 8260B <br /> ETBE=Ethyl tert-butyl ether by EPA Method 8260B <br /> TAME=tert-Amyl methyl ether by EPA Method 8260B <br /> 1,2-DCA=1,2-Dichloroethane by EPA Method 8260B <br /> EDB=Ethylene dibromide by EPA Method 8260B <br /> 140193.12-2 <br />