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1 <br /> Analytical results from the groundwater samples indicate that groundwater beneath and <br /> to the west of the former UST excavation remains impacted by significant concentrations <br /> of gasoline hydrocarbons The highest concentrations of gasoline hydrocarbons were <br /> detected in the groundwater sample collected from MW-2 This sample contained <br />' 190,000 �Lg/l of TPH-as-gasoline, 4,700 µg11 of benzene, 40,000 µg11 of toluene, 4,400 <br /> µg11 of ethylbenzene, 28,000 µg/I of xylenes, and 410 µg/1 of 1,2-DCA The groundwater <br /> 1 sample collected from MW-3 contained 1,100 µg11 of TPH-as-gasoline, 0 fit µg/I of <br /> benzene, 0 56 µg/l of xylenes, 63 µg/I of TBA, and 240 µg/I of 1,2-DCA The <br /> groundwater sample collected from MW-1 did not contain detectable concentrations of <br /> any of the analyzed compounds Oxygenate compounds MTBE, DIPS, ETBE, and <br /> TAME were not detected in any of the groundwater samples The concentrations of <br /> TPH-as-gasoline and benzene are posted on Figure 4 The cumulative analytical results <br /> from the groundwater samples are summarized in Table 2 <br /> 1 <br /> 1 <br /> r <br /> 7 <br />