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Following completion of the tank removal and investigation activities, <br /> ERM installed three monitoring wells at each former UST location during <br />' two different phases of investigation ERM measured ground water <br /> elevations and sampled the monitoring wells for total petroleum <br /> hydrocarbons as gasoline (TPH-g), benzene, toluene, ethylbenzene, and <br /> xylene (BTEX) compounds, and methyl-tertiary-butyl-ether (MTBE) The <br /> results of these sampling events indicate that concentrations of TPH-g and <br /> BTEX compounds are present in ground water immediately <br />' downgradient of the former UST locations, however, the extent of these <br /> compounds is limited to within 150 feet downgradient of the former UST <br /> locations <br /> Tables 1 and 2 present the results of soil samples previously collected at <br /> the site and Tables 3 and 4 present the results of previously collected <br /> ground water samples Figures 2 and 3 show the locations of soil and <br /> ground water samples previously collected at the site <br /> t <br /> 1 <br /> 1 <br /> 1 <br />' 2 <br />