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.3KOMUE <br /> WIS� ' <br /> directions from. KO but have apparently di5per3ed with the flow sof <br /> groundwater to the northr.,-rst. The BTEX contaminants have <br /> dispersed lean actively upgrudient toward Kr)2. The groundwater <br /> contamination is confined largely to the subsurfacc beneath forner <br /> Chevron SS 9-1918 but has not been fully delimited downgradient to <br /> the northeast of fr46 and south of K42. <br /> Silts and sands contain the principle coittamination above. the <br /> static Nater table The silts and sands between 14 and 43 feet, <br /> above the static water table, as repreotnted on the schematic <br /> cross-sections Figures 15 and 16 should be sufficiently perncable <br /> to allow active venting of vapors to remediate the contamination <br /> s contained in the soils around V3, VS, and Wr14. The five wells <br /> completed as vapor extraction wells appear to be properly placed <br /> to extract volatile contamination from the area of the former <br /> tunkfield using active soil venting. <br /> E # . <br /> 3 tl <br /> t <br /> 3 <br /> 9 <br /> - 1 <br /> l <br /> 2 <br /> fy <br /> <¢ <br /> 10 <br /> g. ... ... <br />