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ARCO N <br /> SERVICE <br /> STATI O N <br /> 0 20 40 <br /> SCALE IN FEET <br /> MW-7 <br /> INACCESSIBLE <br /> LOUISE AVENUE <br /> W-4 <br /> (5.)13) ` <br /> x <br /> / //-)/ j\ PLANTER ` <br /> UNDERGROUND r� <br /> STORAGE TANKS <br /> 1/OMW-3 <br /> M <br /> W <br /> —6 <br /> 0 (5.11) (5.07) <br /> MW-5 _c'1p <br /> (5.27) MW-2 <br /> UNDERGROUND (5.08) <br /> USED OIL TANK <br /> / Q <br /> MW-1 PUMP <br /> DIRT LOT (5'0S) ISLANDS S <br /> LEGEND FIGURE 2 <br /> 0 GROUNDWATER MONITORING WELL POTENTIOMETRIC GROUNDWATER <br /> (5.11) GROUNDWATER ELEVATION IN ELEVATION CONTOUR MAP <br /> FEET- ABOVE MEAN SEA LEVEL <br /> i 5.20 GROUNDWATER ELEVATION SEPTEMBER 5, 1996 <br /> CONTOUR I FLEVFEET ABOVE BP OIL SERVICE STATION NO. 11195 g <br /> (CONTOUR INTERVAL-0.10 FOOT) 16500 SOUTH INTERSTATE 5 s <br /> LATHROP, CALIFORNIA <br /> CALCULATED GROUNDWATER <br /> 0.002 GRADIENT DIRECTION AND PROJECT NO. 10-151 <br /> MAGNITUDE IN FOOT PER FOOT o <br /> �AI_ISTO ENGINEERING GROUP <br /> ,�` WALNUT CREEK. CALIFORNIA n <br />