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,* CAMBRIA HYDROCARBON DISTRIBUTION IN GROUNDWATER Groundwater samples were collected from boring SB-7 at depths of 60, 70, 82, and 95 fbg TPHg was detected at concentrations ranging from 84 to 350 parts per billion (ppb), in the samples collected at 70, 82, and 95 fbg Benzene and MTBE were not detected in any of the groundwater samples collected from SB-7 DIPE was detected in all samples at concentrations ranging from 2 5 to 9 4 ppb 1,2-DCA was detected in each sample depth from this boring at concentrations ranging from 38 to 170 ppb No other fuel oxygenates or lead scavengers were detected in any of the other samples from this boring Groundwater samples were collected from boring SB-8 at depths of 60, 72, 80, and 95 fbg TPHg was detected in all groundwater samples from SB-8 at concentrations ranging from 78 to 48,000 ppb Benzene was detected at depths of 72 and 80 fbg, at 1,400 and 0 77 ppb, respectively DIPE was detected in the 72 fbg sample at 77 ppb, ETBE was detected in the 72 fbg sample at 18 ppb, and TAME was detected in the 72, 80, and 95 fbg samples at concentrations ranging from 44 to 500 ppb Lead scavengers were not detected in any of the samples from this boring • Groundwater samples were collected from boring SB-9 at depths of 60, 70, 80, and 95 fbg g TPHg was detected in each groundwater sample at concentrations ranging from 90 to 150 ppb BTEX and MTBE were not detected in any of the groundwater samples from this boring TAME was detected in each groundwater sample from this boring at concentrations ranging from 83 to 200 ppb DIPE was detected in each groundwater sample from this boring at concentrations ranging from 4 8 to 14 ppb TBA, ETBE, EDB, and 1,2-DCA were not detected in any of the samples from this boring Groundwater samples were collected from boring SB-10 at depths of 60, 72, 82, and 95 fbg TPHg was detected in all samples from SB-10 at concentrations ranging from 87 to 3,500 ppb Benzene was detected only in the 82 fbg sample at a concentration of 11 ppb MTBE, ethanol, TBA, ETBE, EDB, and 1,2-DCA were not detected TAME was detected in each groundwater sample from this boring at concentrations ranging from 86 to 330 ppb DIPE was detected in each groundwater sample from this boring (except the 95 fbg sample) at concentrations ranging from 3 2 to 93 ppb Groundwater samples were collected from boring SB-11 at depths of 60, 72, 82, and 95 fbg TPHg was detected only in the 82 fbg sample at a concentration of 63 ppb MTBE was detected only in the 95 fbg sample at a concentration of 2 8 ppb TAME was detected in the 72, 82, and 0797 4