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03-Oct-01 <br /> Base map from Fugm map dated M-Dec-45. <br /> 'Vic'FOR <br /> ROAD <br /> i � <br /> Planter <br /> Canopy <br /> 'r <br /> Dispenser Island i <br /> (typ) <br /> I <br /> a MW-1 i <br /> 5.35 <br /> (<50) <br /> (26,000) l <br /> / MW-2 l�l <br /> ° 5.15 I <br /> let <br /> .% (1,100) <br /> z /usTS <br /> j <br /> U / Building <br /> Former Waste <br /> Oil Tank <br /> +MW-3 <br /> 5.10 <br /> (<2.5) <br /> (9,100) <br /> ' I <br /> EXPLANATION <br /> F ! <br /> f Groundwater monitoring well <br /> yGroundwater elevation contour in feet referenced to <br /> mean sea level(ft msl). Arrows indicate -N— ! <br /> approximate groundwater flow direction. <br /> f <br /> 6.55 Groundwater elevation in ft msl <br /> (<5.0) Benzene concentration in parts per billion(ppb)by <br /> EPA Method 8260 <br /> (16,600) MTBE concentration in ppb by EPA Method 8260 Scale(h) <br /> FIGURE <br /> i <x Not detected at detection limit x -- <br /> 0 15 30 64 2 I <br /> Approximate hydraulic gradient=0.004 I <br /> I Former Shell Service Station Groundwater Contour/ <br /> 880 victor Road © Chemical Concentration Ma <br /> Lodi, California p <br /> a <br /> C A M B R I A August 2, 2001 <br />