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The groundwater samples collected from MW-2 contained elevated concentrations of TPH-as- <br /> gasoline, BTEX, MTBE, and 1,2-DCA The groundwater sample collected from MW-3 did not <br /> contain detectable concentrations of any gasoline compounds analyzed The groundwater <br /> sample results are summarized in Table 3 and the laboratory reports are included as Appendix A <br /> Between August 22, and November 26, 2002, the free product thickness in MW-1 decreased from <br /> 0 41 to 0 22 feet, and the concentrations of gasoline compounds in MW-2 remained relatively <br /> constant In groundwater, gasoline hydrocarbons continue to be concentrated near former UST <br /> #3 Concentrations of gasoline compounds decrease with distance to the east and northeast of <br /> former UST#3 As shown on the isoconcentration map for MTBE in groundwater(Figure 7), the <br /> lateral extent of MTBE at the water table is undefined to the south, west and east of the former <br />' UST <br /> 1 <br /> 10 <br /> 1 <br />' 7 <br /> 1 <br />