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N <br /> ARCO <br /> SERVICE <br /> STATION <br /> 0 20 40 <br /> INACCESSIBLE SCALE IN FEE7 <br /> LOUISE AVENUE <br /> PLANTER <br /> UNDERGROUND <br /> STORAGE TANKS ,�(/ P t > <br /> It % MW-6 <br /> MW-3� ` (7.37) <br /> ;(7.44) <br /> U? MW-5 -0 �e 1�t/ <br /> (7.47) J <br /> 4-MW-2 <br /> < UNDERGROUND / (7.39) <br /> USED OIL TANK <br /> � Jpump <br /> ISLANDS ,► <br /> MW-1 <br /> DIRT LOT (7.41) <br /> �Q <br /> LEGEND <br /> lg� GROUNDWATER MONITORING WELL FIGURE 2 <br /> (7.35) GROUNDWATER ELEVATION IN POTENTIOMETRIC GROUNDWATER <br /> FEET ABOVE MEAN SEA LEVEL ELEVATION CONTOUR MAP <br /> 7.40 GROUNDWATER ELEVATION <br /> CONTOUR IN FEET ABOVE FEBRUARY 28, 1996 <br /> FAN SEA LEVEL <br /> CONTOUR INTERVAL-0.05 FOOT) BP OIL SERVICE STATION NO. 11195 <br /> CALCULATED GROUNDWATER 16500 SOUTH INTERSTATE 1-5 X <br /> 0.001 GRADIENT DIRECTION AND LATHROP, CALIFORNIA <br /> f ` ? MAGNITUDE IN FOOT PER FOOT <br /> PROJECT NO. 10-151 <br /> �ALISTO ENGINEERING GROUP <br /> WALNUT CREEK. CALIFORNIA <br />