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I <br /> 07 Feb 03 <br /> L <br /> Q CO <br /> Sidewalk .v cc N <br /> EXPLANATION E <br /> a (D <br /> Shallow Zone Groundwater Monitoring Well -0 <br /> ------ ----------------------------------- � Deeper Zone Groundwater 0 <br /> i <br /> Monitoring Well p <br /> Groundwater elevation contour C O C <br /> in feet referenced to mean sea O () O <br /> level (ft msl) Arrows indicate V <br /> / ! <br /> approximate groundwater flow <br /> PP O <br /> direction <br /> EAST FREMONT STREET <br /> S-4--Well designation � <br /> S.-1_ j3-30—Groundwater elevation,ft msl N <br /> -3234 <0 5a--Benzene concentrations in <br /> -- ------_------ -- - ----- 7PIan)ter 0 S7r\ground-water in parts per billion (ppb)2,20 __ _ _<500 R -' MTBE concentrations to ground- <br /> 1 water in ppb <br /> S-1-S5 i ® Li <X, Not detected at reporting lima x <br /> Approximate hydraulic gradient= 0 0005 <br /> 3.3 Canopy <br /> 32 ; k (typ) USTs ; <br /> Former USTs% <br /> S=; ! m <br /> // -32 32 5-4-83 <br /> Waste Oil Tanks / ` I <br /> (c5 0) i Q <br /> S-3-84 " iO ® © ® U <br /> i <br /> SS=3 <br /> -3231 <br /> (<0.50) � Station Building and <br /> Lube Bays ----- --------- <br /> (<5 0) <br /> \< <br /> H <br /> Dispenser Island <br /> (typ) Wf� <br /> a <br /> S-2 C <br /> 3232 O <br /> (<0 50) I C13 <br /> -W <br /> SNC cs o) N <br /> N ON STfET C3 <br /> N v <br /> O i <br /> Scale (f#) cc <br /> FIGURE <br /> p 15 30 60 i U <br /> 3 CO <br /> UJ ° <br /> = moo <br />