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j 28 Dec 01 <br /> j PLANATION EAST FREMONT STREET <br /> Groundwater monitoring well <br /> Groundwater elevation contour <br /> T --—--—--—- —----- ----- --—--—--—-- -- <br /> in nfeet referenced to mean sea <br /> level (ft mst) Arrows indicate j <br /> approximate groundwater flow -3079 i Planter 1 <br /> direction 1,700 <br /> S-4 --Well designation <50 <br /> -29 70—Groundwater elevation,ft msl i�\ <br /> i <br /> <0 50--Benzene concentrations in ground- Existing <br /> <0 50\water in parts per billion(ppb) Former USTs 1\ i USTs <br /> MTBE concentrations in ground- <br /> water in ppb by EPA Method ZZ ^\ <br /> 8260 i �i �'\\ _ - ! Canopy <br /> ` J (typ) <br /> <x Not detected at detection limit x \ \ ii / -30 81 <br /> / \\ ZZ <050 <br /> Approx hydraulic gradient= 0 0002 \��� �} <0 50 <br /> Waste Oil Tank i <br /> -3080 <br /> <0 50 <br /> <5 0 <br /> \` Station Building an <br /> Lube Bays V fP Dispenser Island(typ) <br /> 4 <br /> Cinder Block wall <br /> '3086 <br /> 1 <br /> <0 50 <br /> <5 0 <br /> ICON STET <br /> SCd�2��I FIGURE <br /> 0 15 30 60 2 <br /> rn <br /> 0 <br /> Shell-branded Service Station Groundwater Contour/ <br /> 2494 East Fremont Street G Chemical Concentration Map <br /> Stockton, California <br /> C A M B R I A <br /> November 28, 2001 <br />