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10-SEP-02 <br /> Location of Municipal Wells Relative to Site N C o <br /> N M <br /> We118-2550 ft O <br /> We02-1.650 ft l_ N <br /> N <br /> • (Destroyed) O Q 1 v ?+ <br /> L 3 <br /> weu a 1.700 ft C 3 <br /> Well 7-I-3W ft <br /> C7 W E W E -0 C 3 <br /> Scale(ft) _ W i C O O <br /> Property Line w `~ well 1-1,400 ft U s- <br /> 0 20 40 80 O (Destroyed) S O <br /> MW-3 �' U C9 V <br /> Seo MW-5A I O <br /> Den Dulk WellI 35.46 S V <br /> i <0.50 <br /> pla„� <0.50 f Groundwater Flow Direction <br /> 2000 to 3Q02 <br /> i <br /> ® e f USTs 4 <br /> Car Location <br /> Wash <br /> ®Dispenser <br /> MW-2 ® # ! +MW-6A* <br /> 1 35.45 <br /> � IN Islands } <0.5U <br /> 0 26 <br /> >a ® 0 ----- 35.50 <br /> � <br /> ® EW-1 ��t 35.5 ! <br /> MW-1MW-4A S <br /> MW4B _ 35.57 ---� Q <br /> I — <br /> sidewalk <0.50 <br /> cc <br /> • 0.55 <br /> M <br /> EAST 1VIAIN STREET' EXPLANATION M <br /> MW"1 Groundwater monitoring well a <br /> MW-5A,$ Dual completion monitoring well <br /> MW-1 Existing groundwater monitoring well <br /> on adjacent site <br /> Groundwater production well <br /> j� Destroyed well <br /> EW-1 4"Monitoring/Extraction Well <br /> Property Line <br /> ®I Productdispenser number <br /> *MW-1 <br /> CHEVRON �; Groundwater elevation contour in feet <br /> •-r referenced to mean sea level(ft msl). <br /> FACILITY Arrows indicated approximate ground- C <br /> O <br /> i water flow direction. <br /> i C � <br /> tx <br /> -7 <br /> Islands _,Well designation <br /> RESTAURANT 1 0. * MW-4 Groundwater elevation,ft msl. <br /> station i Caltrans Well ��0�Benzene concentrations in ground- O <br /> V <br /> e°ilding *MWI 0. 6 water in parts per billion(ppb). '> <br /> usposedr ! W W ~MTBE concentrations in ground- i <br /> ovations i O O i water in ppb by EPA Method 8260. <br /> Cn <br /> tai ,x iju1 uctecicu ni uelecliun iilnii x .� <br /> *Well MW-6A was re-sampled on 06-Sep-02. Results O a� <br /> L <br /> IUoc�aeons from thissampling event are in parentheses. C <br /> i C <br /> Approximate Hydraulic Gradient= 0.001 <br /> MW-3 I FIGURE co <br /> �9 \ i <br /> LU O <br /> N V} m dC <br /> 0 <br />