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T _ <br /> r ! i 06-Apr-03 <br /> Location of Municipal Wells Relative to Site N 3 C o <br /> Well 6-2.550 ftc N <br /> Welt 2-1.65C)ft � <br /> (Des-rd) C N <br /> -N_ O O <br /> U � L <br /> c� <br /> a� <br /> Well a 1,700 etLM Cc <br /> MW-3 Well 7-1300 rt C <br /> Scale ft 38.36 G W L w E v = <br /> C O O <br /> i 1�.otQ <0�0 PropeM Line '4 � .'ten Well 1-1,400 ft S <br /> L. <br /> 40 20 4� 8� , � u cam ) V <br /> SI. L. <br /> MW-5B Z �� <br /> . 38.45 j <br /> O r.. <br /> <0.50 O <br /> Den Dulk Well i 'A <0.50 $�4 S U <br /> i <br /> Planter : Groundwater Flow Direction <br /> 2Q00 to 2Q03* <br /> -------------- <br /> Car ® USTs <br /> washEW-2 <br /> tS 1 Location 1 I <br /> i ® ? 38.55 1 <br /> Ilser ; <0.50 MW-6B MW-6A <br /> spen <br /> Isslandsands ; f 38.$ 38.47 <br /> 38.26 "'W ® ���` <0.50 <br /> <0.50 <br /> 411'-4A EW-1 <0.50 <br /> <0.50 —GMW-y�,�aa MW-4B 38.40 <br /> Sidewalk 38.36 __ '45 <0.50 Q <br /> . <0.50 <br /> <0.50 2.0 <0.50 <br /> <0.50 EXPLANATION ao <br /> EAST MAIN STREET MW}1� Groundwater monitoring well <br /> MN -5A, Dual completion monitoring well Q <br /> rti <br /> v <br /> MW-1 Existing groundwater monitoring well <br /> Groundwaterproduction well <br /> on adjacent site <br /> Destroyed well <br /> EW-1. + 4"Monitoring/Extraction Well <br /> NA I Not sampled due to insufficient water <br /> Property Line ® ' Product dispenser number <br /> I <br /> +MW-1 o Groundwater elevation contour in feet <br /> CHEVON <br /> FACILITY e►; referenced to mean sea level(ft msl). <br /> Arrows indicated approximate ground- <br /> water flow direction. C <br /> I <br /> Well designation O <br /> MIN <br /> DispenserB`Groundwater elevation,ft inst. co <br /> Islands <br /> RESTAURANT �0. O�Benzene concentrations in ground- U) <br /> �^ water in parts per billion(ppb). <br /> Statial Caltrans Well 2,D <br /> Building ^ MWS Q MTBE concentrations in ground- <br /> 0 <br /> Proposed_ UST I Ey, I water in ppb <br /> Jf `Locations l+. l~y, L <br /> �r,' ;;-,J I � 0 � � � Not detected at reporting limit x � <br /> '� i,�' ! --- --- i E'er it <br /> � .r} I <br /> ver <br /> quarters 3 02 through 1Q03 have been 'a at <br /> Locations removed from the Rase Diagram. <br /> • <br /> Il I I \ g Q L <br /> •y '� i Approximate Hydraulic Gradient=0.004 � � 'E <br /> j (C O <br /> 9 MW-3� i � FIGURE in U <br /> Cl) } 3 -- <br /> UJ <br /> � co <br />