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In the seven soil samples collected using the CPT rig, only the samples from 40 and 50 feet from <br /> CPT-4 contained detectable concentrations of gasoline constituent compounds The sample <br /> ' collected at 40 feet only contained 0 0089 mg/kg of MTBE, and the sample collected at 50 feet <br /> only contained 0 04 mg/kg of MTBE <br /> ' At two of the CPT locations, MTBE was detected in groundwater-bearing zones beneath the <br /> groundwater table At CPT-4, the groundwater sample collected at 66 feet contained 86 µg11 of <br /> MTBE, and the groundwater sample collected at 78 feet contained 1,100 µg/I of MTBE and 34 <br /> µg/l of TBA <br /> The groundwater samples collected from all four of the groundwater table monitoring wells <br /> contained detectable concentrations of gasoline constituent compounds The groundwater <br /> sample collected from MW-2 contained 330 µg/I of TPH-as-gasoline, 0 84 µg/I of benzene, 0 66 <br /> µg11 of toluene, 1 3 µg/I of ethylbenzene, 2 8 µg/l of xylenes, 160 µg11 of MTBE and 19 µg/I of TBA <br /> ' At MW-4, only MTBE (2,800 µg/l) and TAME (3 2 µg/I) were detected The groundwater sample <br /> collected from MW-1 only contained 0 9 µg/I of benzene, and the sample collected from MW-3 <br /> only contained 3 8 µg/l of MTBE <br /> i <br /> 1 <br /> 1 <br /> • 10 <br />