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08-Nov-02 <br /> Location of Municipal Wells Relative to Site , N O I., o <br /> N 7 W d N <br /> wenn a-2,550 it O M C ai <br /> wen 2-1,6%H i"' <br /> (Destmped) C = N 0) <br /> .–N– O OLM L o <br /> O <br /> Well 0.1,700 ft <br /> Well 7-Ii W ft <br /> MW-3 W E i W E C 7 <br /> Scale(ft) —._31.75. _ Z <br /> NAA any Linc W Well -1.4W a C O O <br /> R,me �v O cned> I U <br /> 0 20 ao so S C 3Z�v t _ <br /> ' MW-5B Q W 0 <br /> 33 ,;ate 35.80 C f (D CC <br /> s�'�� <0.50 V = <br /> Den Dulk Well <0,50 S Ch <br /> -/ I <br /> Groundwater Flow Direction <br /> -34 <br /> rtan>er } 2Q00 to 4Q02 <br /> ! s --------- ! <br /> 35 ® e <br /> EW-2 <br /> wash Lacation55 1 35.84 <br /> j Dispenser l 1.5 MW-6B <br /> Islands ' !50 36.00 <br /> 35.75 i 36L cwt ' <0.50 <br /> <0.50 1 �` 9 EW-1 <br /> MW-4A uJi <br /> <0.50 i � MW-4B 35.81 <br /> _• _. <br /> --MW-1-----�-- 35.81 ��..— 0.50 <br /> Sidewalk 36.29 <0.50 <br /> • NA <0.50 <br /> eke <br /> NA EXPLANATION 00 <br /> EAST MAIN STREET MWj Groundwater monitoring well <br /> MW - Dual completion monitoring well Q <br /> MW-1 Existing groundwater monitoring well V <br /> Groundwater production well <br /> on adjacent site <br /> 0 Destroyed well <br /> EW-1 + 4"Monitoring/Extraction Well <br /> –---------------- ------------------ -------, NA Not sampled due to insufficient water <br /> Property Line <br /> I <br /> CHEVRON +MW-1 ' ® Product dispenser number <br /> i <br /> FACILITY I oo Groundwater elevation contour in feet <br /> referenced to mean sea level(ft msl). <br /> Arrows indicated approximate ground- <br /> Dispenser 9,1. water flow direction. M <br /> IslandsG1 �+ <br /> C <br /> RESTAURANT a a Well designation N <br /> station Caltrans Well `4� d3 <br /> Groundwater elevation,ft msl. <br /> Building Proposed MW-4 ; 30..'ABenzene concentrations in ground- <br /> <0. <br /> round- C3 <br /> UST ! Z <0. 0 water in parts per billion(ppb). .L <br /> % �,i 1L=adons ; <br /> �� <0. MTBE concentrations in ground- D <br /> water in ppb by EEA method Eszbu <br /> FoTmer <br /> `I <br /> 4�%I UST <x Not detected at detection limit x <br /> \ r' <br /> !; 1 i Locations I <br /> Approximate Hydraulic Gradient= 0.04 <br /> C s= <br /> 9y \MW-; i FIGURELU r- <br /> 0 <br /> a <br /> T Q. <br /> 4 CO � � <br />