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grab samples collected from soil boring (SB-1), drilled on the west side of the former UST <br /> excavation, and from SB-2, drilled on the east side of the former UST excavation contained <br /> elevated concentrations of TPH-as-diesel Concentrations of TPH-as-diesel in soil were reported <br /> as high as 6,000 mg/kg at a depth of 15 feet bgs Concentrations of TPH-as-diesel in <br /> groundwater were reported as high as 590,000 micrograms per liter (µg/1) Benzene was also <br /> detected in groundwater at a concentration of up to 3 6 µg11 Methyl tertiary butyl ether (MTBE) <br /> was not detected in any of the soil or groundwater-grab samples analyzed The results of the soil <br /> and groundwater-grab sample analyses are summarized in Tables 1 and 2 <br /> • <br /> • 3 <br />