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05-Dec-01 <br /> Location of Municipal Wells Relative to Site CL <br /> 0 <br /> N cc <br /> well 8-21550 A N O M r N <br /> Well 2.1,650R O L <br /> • - ) O O N(D N <br /> _N_ <br /> U m <br /> O M <br /> 16- C5 0 <br /> Well a 1,700 ft G1 ,F O <br /> Well 7-1 fi <br /> v W E I W E V <br /> Scale(ft) j r— O O <br /> Property Line W Well I-i,aoo ft <br /> 0 20 40 ao G*30.21 c "'` '�� S o V <br /> Cc <br /> <0.50 �; U ' 0 O <br /> <0.5 <br /> i E — <br /> � /IINn SQ9�i,� I <br /> 4) � <br /> Den Dulk Well I MW-5B+ ( Groundwater1Q00 too 4Q011rectton V N <br /> 30.22 <br /> Planta 0.50 ! <br /> <0.50 <br /> Carusr5 <br /> wash EW-1 Location , <br /> 30.16 I <br /> MW-2 U= <0.50 i 3W-� <br /> TI/ I o 33 <br /> 29.27! 30.5 1.9 — -- <0.50 <br /> <0.50 31.0— W4A EW-2 � f <0.50 <br /> <0.501 31.5 MW-4B 30.84/ <br /> 30.52 —<0.50 <br /> Sidewalk 31.69 �--- Q <br /> <0.50 <0.50 ce <br /> NA <br /> NA 0.64 © m <br /> :E <br /> EAST MA[N STREET EXPLANATION Q <br /> M I AT6- Ground',vater -onitaring well. tJ <br /> MW-5A,B + Dual completion monitoring well <br /> MW_ i Existing groundwater monitoring well <br /> on adjacent site <br /> Groundwater production well <br /> ---- -------��iune �f Destroyed well <br /> ! <br /> CHEVRON +MW-1 ! EW-1 + 4"Monitoring/Extraction Well <br /> i <br /> FACILITY <br /> ,°tee Groundwater elevation contour in feet O <br /> c referenced to mean sea level(ft msl). <br /> 14 <br /> p;tpenser ! `� Arrows indicated approximate ground- <br /> Is�d I water flow direction. <br /> i 4 <br /> i RESTAURANT 0. Caltransell i ----Well designation O <br /> $wia a MW4 I MW-i4 Groundwater elevation,ft msl. v <br /> Propased w > <br /> W �' 30S4�Benzene concentrations in ground- <br /> ,i Locations ; �� 2 l" ¢n water in parts per billion(ppb). G1 <br /> / ::� 1.rte• ``V O <<015p---.P- -Vl --------- u_ fIw■ <br /> \\ J�J; I J j - ` I LVL i"u wV--unuva 4u� u <br /> iUuu- —' <br /> �' 1 ` water in ppb by EPA Method 8260. <br /> usT <br /> f Not detected at detection limit x N <br /> Locations <br /> ` II i Appro imate Hydraulic Gradient=0.0003ca O <br /> = <br /> FIGURE L :Ejco <br /> MW <br /> -3 .!� N U <br /> w <br /> ! 3 <br /> N <br /> o <br /> C0 ME <br />