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29-Jan-04 <br /> ccO <br /> ` SidewalkA CN <br /> EXPLANATION C � <br /> O <br /> -�- Shallow Zone Groundwater Monitoring Well O 0 <br /> Location of Water Supply E <br /> ------------------------------------------ <br /> Wells Relative to Site Deeper Zone Groundwater 4-0 4-0 <br /> N Monitoring Well M v ❑ <br /> Groundwater elevation contour C C <br /> in feet referenced to mean sea <br /> 1,640 ft level(ft msl). Arrows indicate O <br /> Calif.Water approximate groundwater flow 16- cc <br /> 0 v <br /> Service Co. LC --——————————————————————————————————————— <br /> direction. Qy <br /> EAST IFItEIiR®1VT STREETs_4 Well designation 10 <br /> 739 ft -32,5 —Groundwater elevation,ft msl. <br /> S' Fremont Mobile C <br /> 74/10/ 4 Benzene/MTBE/1,2-DCA concentrations Q. <br /> Estates -- ---------- -- ----- ---- -----' -- in groundwater in parts per billion(ppb) <br /> S-1 ----`---, <x Not detected at reporting limit x <br /> 950 ft <br /> i <br /> i <br /> Wood Canning S-1-85 ; Planter pproximate hydraulic gradient=0.005 <br /> Company -33.15 i ® Cl <br /> 14/<2.5/51 <br /> i iCanopy <br /> i \\ i �®--�•�� (typ) USTs <br /> Former USTs l,\ <br /> SS=4 tY <br /> S-4-83 <br /> -33.45 <br /> \\ -33.45 -Q-S-6 Q <br /> SS3 <0.50/2.01120 i LJ <br /> S-3-84 <br /> -33.45 <br /> <0.50/<0.50/48 350 , Station Building and <br /> Lube Bays � }---- - ------- - <br /> Waste Oil Tank <br /> Dispenser Island <br /> G� <br /> (typ) W <br /> � a <br /> S�5 <br /> *S-2-85 <br /> 0-S-2 <br /> -33.64 cc <br /> <0.50/8.5/1.8 <br /> � (D <br /> � U) <br /> o <br /> o <br /> Scale (ft) W 22 <br /> 2 U <br /> p 15 30 60 FIGURE <br /> `0 0 <br /> 3 _ w � <br /> U <br /> r <br /> O <br /> 0 <br />