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24-Mar-01 <br /> i~. CL <br /> EXPLANATION p 2 N <br /> Lri <br /> McDonald's Restaurant Groundwater monitoring well O O <br /> Delta Market Building <br /> MW-10 Groundwater elevation contour in feet <br /> 69.42 referenced to mean sea level(ft msl). ♦, <br /> 00.500) arrows indicate approximate ILL <br /> (<2,50) 1 groundwater flow direction. 3 0 <br /> �_-- = O <br /> �6�5 71.93 Groundwater elevation in ft msl � V <br /> O <br /> (4.84) Benzene concentration in parts per <br /> billion(ppb) <br /> (17.8) MTBE concentration in ppb.Analysis .E <br /> by EPA Method 8020 * Denotes = <br /> WEST CHARTER WAY MTBE analysis by EPA Method 8260 V <br /> <x Not detected at detection limit x <br /> Approximate hydraulic gradient=0.003 to 0.022 <br /> MW-7 _ <br /> — MW-9 — — 69.73 <br /> — — — — 69.88 (<0.500) ❑ <br /> �— — (1,100) MW-4 (4.00) <br /> j Existing (118)* 69.82 <br /> USTs (9.78) <br /> i <br /> MW-8 (<25.0) <br /> a <br /> j 68.99 <br /> a` Q <br /> i (<0.500) = _ <br /> J !� <br /> i (49.6) 69A J r, MW-5 <br /> 69.85y C� <br /> __-.--- ------------------ - ---- -- ---- - ----- ------- --- --- <br /> - a <br /> I ! (<0 500) <br /> Denny's (<2.50) E <br /> i MW-2 1 <br /> Restaurant 6�S _ 70.20 3 Best Western Motel V <br /> (15.7) CIS <br /> j Building I (36.4) v <br /> MW-3 I <br /> 69.92 i <br /> (<0.500) j <br /> I MW-6 (17.8) <br /> j 70.12 <br /> (<0.500) i <br /> I <br /> i !<2.50) ----------------- moa i an <br /> i <br /> o Former UST O <br /> Location j <br /> MW-1 <br /> 91 <br /> 69. � � <br /> 9.91 ) Best Western Motel O <br /> (<2.50) V <br /> City Of Stockton Building Remediation Equipment G? <br /> Enclosure and Pipingco <br /> O ca <br /> Scale(ft) _ o <br /> Q ZQ 40 $Q FIGURE <br /> 2 O- � <br /> t 0 <br /> co " 4 . <br />