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f, <br /> i. <br /> ddM- <br /> f <br /> ARCO AM/PM <br /> SERVICE STATION <br /> I <br /> i <br /> PRIVATE ROAD <br /> i <br /> i <br /> 0 30 60 <br /> I <br /> I I <br /> SCALE IN FEET <br /> I . <br /> LEGEND <br /> rn MW-3 GROUNDWATER MONITORING WELL <br /> MW-4 w <br /> w GROUNDWATER ELEVATION IN <br /> FEET ABOVE MEAN SEA LEVEL <br /> I— SERVICE o- -10.90— GROUNDWATER ELEVATION <br /> I ISTATION ` ` CONTOUR IN FEET ABOVE <br /> L J BUILDING —10.90 � MEAN SEA LEVEL <br /> ..� MW-7 CONTOUR INTERVAL-0.10 FOOT) <br /> UNDERGROUND / � Q 1 (-11.14) CALCULATED GROUNDWATER <br /> USED OIL TANK = / 0.002 GRADIENT DIRECTION AND <br /> MAGNITUDE IN FOOT PER FOOT <br /> ,/-11 .20 <br /> ` DISPENSER ~ ' <br /> LL1 <br /> UNDERGROUND j j ISLANDS }a tl <br /> FUEL TANKS 1 .�O .00 <br /> �1 ` I VE1 W-2 MW-5 of <br /> 4 1 (-11.21) I \ (-10.98) <br /> MW-11 L — _' N ` <br /> (-10.99) <br /> PLANTER DRIVEWAY <br /> 0000, <br /> ORtivEWAY � p � - <br /> TRANSFORMER \ � _ <br /> FIGURE 2 <br /> POTENTIOMETRIC GROUNDWATER <br /> ELEVATION CONTOUR MAP <br /> NOVEMBER 14, 1996 <br /> BP OIL SERVICE STATION NO. 11193 R <br /> MW-6 3202 WEST HAMMER LANE ' <br /> STOCKTON, CALIFORNIA <br /> �} PROJECT NO. 10-136 d <br /> M <br /> �ALISTO ENGINEERING GROUP <br /> WALNUT CREEK, CALIFORNIA A <br /> 0 <br />