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02 Oct 01 <br /> PLANATION EAST FREMONT STREET <br /> Groundwater monitoring well <br /> Groundwater elevation contour <br /> in feet referenced to mean sea <br /> level(ft msl) Arrows indicate g=1 <br /> approximate groundwater flow -2965 I Planter 1 <br /> ❑ I <br /> direction 1,700 <br /> S-4 —Well designation <500 <br /> -29 770----Groundwater elevation,ft ms] <br /> <0 50--Benzene concentrations in ground- Existing <br /> � I g <br /> <0 50 Fater in parts per billion(ppb) Former USTs�� i i USTs <br /> MTBE concentrations to ground- <br /> water toppb by EPA Method I <br /> j L <br /> 8260 `�� Zai i�1� I-_ _ I Canopy <br /> S_4 (typ) <br /> <x Not detected at detection limit x \����\ �i�� -2970 <br /> <0 50 <br /> Approx hydraulic gradient=0 001 29 70 \ !6; <0 50 <br /> I-y <br /> I/ <br /> Waste Oil Tank W <br /> i <br /> S-3 M <br /> -2971 i i v� <br /> <0 50 i <br /> y <br /> <5 0 \ I--- -------------- <br /> .Zg 75 ' Station Building anj <br /> \� Lube Bays Dispenser Island(typ) I � <br /> r ►-3 <br /> _"_�Cmder Block \\`�• <br /> N` wall �\ <br /> SS2 i <br /> -2982 <br /> <050 <br /> <5 0 <br /> RINCON STET <br /> Scale(ft) <br /> FIGURE <br /> 2 0 15 30 60 <br /> 0 <br /> Shell-branded Service Station Groundwater Contour/ <br /> k East Fremont Street <br /> StocGkton, <br /> Chemical Concentration Ma <br /> Stockton, California p <br /> C A M B R I A August 30, 2001 <br /> I <br />