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t) <br /> 29-Jul-03 <br /> 1- <br /> -Ar- k Former Former <br /> Building : <br /> Restrooms <br /> T Former <br /> >, -241 Former Product <br /> (<0 50) Piping Trench Dispenser <br /> (typ <br /> > (<0 50) <br /> } <br /> --24.23 <br /> -F Z, (<0.50) <br /> t� .�---L-J,L, ♦ (<O 50) <br /> 1 <br /> --- - Former <br /> ' Former USTs. <br /> I <br /> ro ; Building <br /> CO '-N--------- <br /> 1 I 1 II II <br /> -24.16 �� <br /> -24. <br /> (<2.5)1_7-���_- ------- n �� <br /> I (<25)Jt � , ---- <br /> MW-3 <br /> MW-3 MW-2 <br /> -23.87 -2432(<0.50) <br /> 2432 <br /> �i (9 7) <br /> Driveway Sidewalk 0 Driveway <br /> EXPLANATION EAST CHARTER WAY <br /> Groundwater Monitoring Well <br /> Groundwater elevation contour in feet referenced to <br /> mean sea level(ft msl) Arrows indicate <br /> approximate groundwater flow direction <br /> -2398 Groundwater elevation in ft msl _ <br /> (<0.50) Benzene concentration in parts per billion(ppb) <br /> (<5 0) MTBE concentration in ppb <br /> <x Not detected at reporting limit x FIGURE <br /> Scale(ft) <br /> Approximate hydraulic gradient 0 006 <br /> 0 15 30 60 2 <br /> r <br /> ik <br /> Former Shell Service Station Groundwater Contour/Chemical <br /> 1313 East Charter Way G Concentration Map <br /> Stockton, California <br /> C A M B R I A June 30, 2003 <br />