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23-Mar-05 <br /> Location of Municipal Wells Relative to Site N 'C: IQ I o <br /> N = 03 O O <br /> Well 8 2,550 ft 0 <br /> CV <br /> Well 2 1 650 ft 40 N <br /> (Destroyed) C = N Z, <br /> . _N O O L a <br /> Wel[4 1 700 ft <br /> Web 7 1 300 fc <br /> W E W E V <br /> Scale(ft) _ �v Z <br /> -n—MW4 = O O <br /> �— O h' 37.20 P`Op"'i L"" r Well t aoo f< 1- <br /> 0 20 40 80 ��'p (<0 S0/<0 50,08—Apr-04} ! U c>x5 � $ I O V (� <br /> IIIIII/' M MW-5B U L <br /> 37.36v p <br /> <0.50 E — <br /> 5A 0.50 <br /> Den Dulk Well �y�a + a• I <br /> EW-1 � Groundwater Flow Direction V <br /> Punier 3730 <br /> <0 50 Note:Due to an incorrect <br /> survey data point, <br /> <0 50 j quarters 3Q02 through 1Q03 have been <br /> Car j{ 6 r LISTS' ��„ removed from the Rose Diagram <br /> Wash! ® i � EW-2 <br /> ii Dspenur , 37.32 <br /> Isiands <0.50 ? Xl"-6A <br /> MW-2 i MW-6B <br /> 37.19 ® © _ —' <0.50 a 37.53 <br /> (<0 50/<0 50,08—Apr-04) 0 � <0.50 <br /> ®l!1W-4B MFt-4 i [0.50 <br /> sidewalk 37.25 37.33 Q <br /> 0 50 <0 50 <br /> • <0 50 <0 50 1313W <br /> EAST MAIN STREET EXPLANATION <br /> MW.1 Groundwater monitoring well U <br /> MW-5A,B + Dual completion momtonng well <br /> MW-1 + 'Existing groundwater monitoring well <br /> 'Groundwater <br /> production well <br /> +on adjacent site <br /> �7 Destroyed well <br /> ---- --- - —----_-- EV-1 + y4"Momtonng/Extraction Well <br /> Prop"Line NA Not sampled due to insufficient water <br /> CHEVRON +MW-1 ® Product dispenser number <br /> FACILITY a 1Groundwater elevation contour in feet <br /> e� Ireferenced to mean sea level(ft msl) <br /> Arrows indicate approximate ground- O <br /> Dispenser i water flow direction <br /> ca <br /> islands <br /> RESTAURANT I ell designation '+"' <br /> 4. � 37-33 Groundwater elevation,ft nisi y <br /> Suwon i Caltrans Well 41 <br /> Bwldmg M�r� C4 <0.50r1Benzene concentrations in ground- v <br /> prww ' cy W <0 50� ater m parts per billion{ppb) •> <br /> TBE concentrations in ground- L <br /> Loranun5 ater in ppb O <br /> I (<0 501<0 50,Ota-Apr-03) Benzene/MTBE aa) <br /> UST <br /> Former <br /> • \ ='r ' concentrations,date last <br /> Locations <br /> i sampled Eg <br /> 1 _I lv 1 0 <br /> •V (Q 0 <br /> <x Not detected at reporting limit x L <br /> \W.3 FIGURE i ca <br /> U <br /> Sl �.. to C <br /> N Approxi ate hydraulic gradient= 0 0008 3 <br /> O w p <br /> co <br /> ! r a <br /> y 6 tic <br />