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' Xylenes concentrations ranged from less than 0 5 fag/l (not <br /> detected) to 9 , 300 pg/l <br />' MTBE concentrations ranged from less than 1 0 pg/l (not <br /> detected) to 1 4 1�g/l . <br />' 1 , 2-DCA concentrations were less than 1 0 fag/1 (not <br /> detected) <br />' 5 oxyginates were less than 1 0 to 5 0 lag/l (not <br /> detected) <br />' Lead concentrations ranged from less than 3 0 pg/1 (not <br /> detected) to 0 00093 pg/l <br />' 9 . 0 DISCUSSION <br /> Soil and groundwater samples were collected from borings SB-1 and <br />' SB-2 , and wells MW-1 , MW-2 , and MW-3 Depth-to-groundwater <br /> measurements were recorded for wells MW-1 , MW-2 , and MW-3 <br /> Laboratory analytical results indicated that the soil samples <br /> collected from wells MW-2 and MW-3 contained non-detectable <br /> concentrations of TPHg, TPHd, BTEX, MTBE, and HVOCs Low to non- <br /> detectable concentrations of TPHd, and non-detectable <br /> concentrations of TPHg, BTEX, MTBE, and HVOCs were found in the <br /> soil samples collected from well MW-1 The soil samples <br />' collected from boring SB-1 contained non-detectable <br /> concentrations of TPHg, TPHd, BTEX, and MTBE <br /> I <br /> Soil samples collected from boring SB-2 indicated the presence of <br />' TPHg and TPHd at approximately 15 feet bgs Elevated <br /> concentrations of TPHg and TPHd, and detectable concentrations of <br /> BTEX were found in the soil sample collected at approximately 25 <br />' feet bgs Lower concentrations of TPHg, TPHd, and BTEX were <br /> found in the samples collected at approximately 30 feet and at 35 <br /> feet bgs, respectively Non-detectable concentrations of MTBE <br /> were detected in all the soil samples collected from SB-2 <br /> The groundwater samples collected from wells MW-2 and MW-3 <br /> contained non-detectable concentrations of TPHg, TPHd, BTEX, 1 , 2- <br /> DCA, and 5 oxyginates, and low concentrations of MTBE and lead <br /> Detectable concentrations of TPHd and lead, and non-detectable <br /> concentrations of TPHg, BTEX, MTBE, 5 oxygenates, and 1, 2-DCA <br /> were detected in the groundwater sample collected from well MW-1 <br /> The TPHg, TPHd, toluene, and xylene concentrations collected in <br /> the grab groundwater sample collected from boring SB-1 exceeded <br />