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ti <br /> ARCO AM/PM <br /> SERVICE STATION <br /> PRIVATE ROAD <br /> I! � <br /> 0 30 60 <br /> SCALE IN FEET <br /> ' LEGEND <br /> MW-3 0 GROUNDWATER MONITORING WELL <br /> MW--4 SERVICE (-12.89) <br /> (-12.85 STATION �' <br /> Ld (-13.13) GROUNDWATER <br /> ABOVE M ELEVATION <br /> EA LEVEL <br /> 1 BUILDING �12 g0 a Z -13.10 GROUNDWATER ELEVATION <br /> CONTOUR IN FEET ABOVE <br /> MEAN SEA LEVEL <br /> DISPENSER <br /> [� (CONTOUR INTERVAL-0.10 FOOT) <br /> ISLANDS + W MW-7 CALCULATED GROUNDWATER <br /> UNDERGROUND J (--13.13) GRADIENT DIRECTION AND <br /> USED OIL TANK # _ / MAGNITUDE IN FOOT PER FOOT <br /> / <br /> J 4 Mw-2Ld <br /> — / MW-5 > t <br /> (-12'9�' 0(-13.02) <br /> / l <br /> y / <br /> MW-1 UNDERGROUND <br /> (-13.00) FUEL TANKS <br /> . Pi AN-TER <br /> DRNEWAY <br /> pR1VEWAY � <br /> TRANSFORMER .100" _ <br /> FIGURE 2 <br /> POTENTIOMETRIC GROUNDWATER <br /> ELEVATION CONTOUR MAP <br /> APRIL 25, 1994 <br /> BP OIL SERVICE STATION NO. 11193 <br /> 3202 WEST HAMMER LANE <br /> MW-6 STOCKTON, CALIFORNIA <br /> PROJECT NO. 10-136 <br /> �ALISTO ENGINEERING GROUP ? <br /> r /�\ WALNUT CREEK, CALIFORNIA <br /> 0 <br />