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' IS Nov 04 <br /> EXPLANATION <br /> Groundwater monitoring well <br /> Scale(ft) ® Product dispenser number <br /> `N <br /> 0 15 30 6 0 � <br /> Groundwater elevation contour in feet <br /> R ' <br /> /y referenced to mean sea levet Arrows <br /> indicate approximate direction of <br /> groundwater flow <br /> HAMPTON STREET -30.64 Groundwater elevation in ft msl <br /> (<0 50) Benzene concentration in parts <br /> per billion(ppb) <br /> Planter Planter (<0 50) MTBE concentration in ppb <br /> <x Not detected at reporting limit x <br /> Approximate hydraulic gradient=0 008 <br /> Air/Water Dispenser <br /> MW-2 <br /> -30.64 <br /> (<0.50) <br /> MW-1 0 (<0 50) (Fence(typ) <br /> -30.14 0 0 <br /> (4 5) <br /> Canopy (<0 50) <br /> Dispenser <br /> Island(typ) <br /> ® Station <br /> ® ® ® Building <br /> r Q <br /> d S <br /> o <br /> d <br /> UST Vents N <br /> tin 1 <br /> r3 <br /> Planter <br /> A `l / W <br /> MW-3-} USTs_r_�s=�1 E <br /> -2987 <br /> / <br /> (<0 50) <br /> S <br /> MW-4 <br /> -30.10 Municipal well <br /> (<0.50) 1,275 feet <br /> fD (2 6) <br /> Planter Planter <br /> FIGURE <br /> 2 <br /> gin ADAMS STREET <br /> Shell-branded Service Station © Groundwater Contour/ <br /> 2320 North El Dorado Street <br /> Stockton, California Chemical Concentration Map <br /> C A M B R I A <br /> October 11, 2004 <br />