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22 Feb-O5 <br /> LOUISE AVENUE <br /> planter — �`— <br /> Former USTs MW-1 Former USTs Planter <br /> 915 <br /> . I <br /> / <0 50 Dispenser <br /> Islands <br /> MW-3 <br /> 9.14 W <br /> <0 50 <br /> <0 50 <br /> o + kk II <br /> Trash • Dispenser �• <br /> Enclosure <br /> Aja — Islands f x <br /> H <br /> Planter`y �" Z <br /> j8 <br /> 9 <br /> MW-2 Storage <br /> 9.21 Containers <br /> <0.50 <br /> EXPLANATION <br /> Groundwater Monitoring well <br /> / Groundwater elevation contour in feet referenced <br /> / to mean sea level (ft msl) Arrows indicate <br /> approximate groundwater flow direction <br /> —N- <br /> 915 Groundwater elevation to ft ms] <br /> <0 50 Benzene concentration in parts per billion(ppb) <br /> <0 50 MTBE concentration in ppb <br /> <x Not detected at reporting limit x FIGURE <br /> Scale (ft) <br /> Approximate hydraulic gradient= 0 0005 <br /> N 0 20 40 80 2 <br /> M <br /> Q <br /> rmer Shell Service Station Groundwater Contour/ <br /> 1071 North Main Street Chemical Concentration Map <br /> Manteca, California <br /> C A M B R I A <br /> January27, 2005 <br />