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15-Jan-01 <br /> Irk O <br /> EXPLANATION �O 2 o <br /> C N <br /> McDonald's Restaurant # Groundwater monitoring well O C <br /> Delta Market Building <br /> L) �_• -0 <br /> MW-10 Groundwater elevation contour in feet L E <br /> a� 69.41 -- referenced to mean sea level (ft ms]). �� _ � <br /> ,y. (<0.50) �/ Arrows indicate approximate f0 O 0 <br /> (�,0) s' groundwater flow direction '3D C <br /> J _ 4 <br /> 71.93 Groundwater elevation in ft ms] = 0 <br /> O <br /> (4.84) Benzene concentration in parts per v <br /> billion (ppb) <br /> (17.8) MTBE concentration in ppb. Analysis q� <br /> WEST CHARTER WAY by EPA Method 8260 V <br /> <x Not detected at detection limit x <br /> Approximate hydraulic gradient=0.007 to 0.038 <br /> MW-7 <br /> MW-9" _ — 69.82 <br /> 69.97 (<0.50) ❑ <br /> i— (600) MW-4 (9.1) <br /> Existing (120) 69.92 <br /> USTs (0.66) .•-- <br /> i 1 (13) <br /> i 0 2 Q <br /> I MW-8 MW-5 m j <br /> — - 70.28 -- 70.07 <br /> ..--.- --- <br /> 1 <br /> Denny's 1 <br /> j i s Best Western Motel <br /> Restaurant 3 E V <br /> j Building MW-3 yl r o <br /> i <br /> i 70.0171.32 <br /> MW-2 <br /> } (<0.50) Vis; (30) <br /> i MW-6 (24) (10) <br /> j 70.00 <br /> (<0.50) Cd <br /> i !<5.0) w <br /> i i <br /> j Former UST <br /> Location }+ <br /> MW-1 I (n <br /> +69.93 Best Western Motel Q? <br /> (<0.50) <br /> (<5.0) <br /> _.- J1N •� <br /> City Of Stockton Building Remediation Equipment <br /> Enclosure and Piping U a <br /> ca <br /> Scale = <br /> +lQ ca <br /> U 20 40.—.. .. 80 FIGURE (� U <br /> ' ) a <br /> co <br /> 2 <br /> Q1 -Y <br /> N ° <br /> C3 <br /> cn co cn <br />