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os-SBp�o4 <br /> EXPLANATION <br /> Groundwater monitoring well <br /> I <br /> Scale(fl) a Product dispenser number <br /> -N- <br /> 0 15 30 60 Groundwater elevation contour in feet <br /> R 'i <br /> /y referenced to mean sea level Arrows <br /> indicate approximate direction of <br /> groundwater flow <br /> HAMPTON STREET -26.59 Groundwater elevation in ft msl <br /> (<0.50) Benzene concentration in parts <br /> i <br /> per billion(ppb) <br /> Planter (<0 50) MTBE concentration in ppb <br /> <x Not detected at reporting limit x <br /> Approximate hydraulic gradient=0 003 <br /> Air/Water Dispenser Planter <br /> MW-2 <br /> -2678 <br /> (<0 50) <br /> MW-1 (<0 50) (Fence(typ) <br /> -26.46 + i <br /> (13) + <br /> Canopy (<0 50) <br /> Dispenser <br /> Island(typ) -26.7 <br /> ® Station <br /> ® ® ® Building <br /> vi. <br /> 'z6.6 <br /> Q <br /> d a 10 _z6s UST Vents N <br /> Planter <br /> USTs / W <br /> MW-3* mss=��1 E <br /> -26.32 s <br /> (<0.50) — <br /> (13) <br /> S <br /> MW-4 <br /> -26,32 * Municipal well <br /> (<0.50) 1,275 feet <br /> Q (1 3) <br /> Planter Planter <br /> FIGURE <br /> ADAMS STREET 2 <br /> Shell-branded Service Station Groundwater Contour/ <br /> 2320 North El Dorado Street G Chemical Concentration Map <br /> Stockton, California <br /> CAM 6 R I A J„ly 2, 2004 <br />