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08-Nov-02 <br /> Location of Municipal Wells Relative to Site N 3 C 11 <br /> N <br /> Well e-2.550 e � 0 <br /> Well r yed) fr C O ) <br /> . (pestmyed) <br /> V o <br /> U <br /> i <br /> Wctl 4 1,700 ft <br /> Well 7-1,300 ft <br /> W E W V l� <br /> Scale(ft) W � C O O <br /> gym'Line ! w Well I-1,400 ft O U <br /> 0 20 40 80 S <br /> MW-3 1 (5 <br /> G1 <br /> E Q <br /> 1 35.87 <br /> Den Dulk Well <0.50 3 V <br /> Platter <0.50 <br /> Groundwater Flow Direction <br /> j \ 2000 to 4Q02 <br /> F <br /> r� <br /> i usTg <br /> wa5n Dation <br /> Dispenser ; i + MW-6A <br /> MW-2 Islatrds ❑ EW-2i „� 0� 35.$4 <br /> `-------------- - 'tP <br /> ® ® 1 <br /> j MW-1 T $.1MW4A <br /> Mw 4s 35.$8 Q <br /> sidewalk <0.50 <br /> • <0.50 93e <br /> EXPLANATION <br /> EAST MAIN STREET <br /> MW-)1 Groundwater monitoring well <br /> MW-5AJ+ Dual completion monitoring well <br /> Meq-1 Existing groundwater monitoring well <br /> on adjacent site <br /> Groundwater production well <br /> j d Destroyed well <br /> Property Line j EW-1 I - 4"Monitoring/Extraction Well <br /> © Product dispenser number <br /> MW-1 <br /> CHEVRON + Groundwater elevation contour in feet <br /> FACILITY 4 referenced to mean sea level(ft msl). <br /> Arrows indicated approximate ground- <br /> 0 <br /> 1 water flow direction. 14Z <br /> Dispenser co <br /> Islands i o c', Well designation <br /> RESTA URANT �„ Q * <br /> MW-4A Groundwater elevation,ft msi. <br /> Caltrans Well <br /> station MW-4 i .} <0.50 Benzene concentrations in ground V <br /> Building i 0 8 water in parts per billion(ppb). 9 <br /> ` Proposed LQ � ~MTBE concentrations in ground- •a.. <br /> \ ``Locations i O <br /> water in ppb by EPA Method 5260. N <br /> <� Not detectecl at detection limit x <br /> i1 <br /> t� % j Former l fD <br /> j -usT pproximate Hydraulic Gradient= 0.001 <br /> I II tACatiorl5 <br /> cc 17t 0 <br /> „ <br /> , <br /> fC �. FIGURE z,.. co <br /> o # <br /> co c� o= <br />