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ARCO AM/PM <br /> SERVICE STATION <br /> PRIVATE ROAD <br /> l <br /> I Ld <br /> Z 0 30 60 <br /> SCALE IN FEET <br /> Ld <br /> LEGEND <br /> MW-3 _ GROUNDWATER MONITORING WELL <br /> SERVICE (-11.75) (-11.75) GROUNDWATER ELEVATION IN <br /> MW-4 STATION W FEET ABOVE MEAN SEA LEVEL <br /> F -1 BUILDING w !o- -1 1 .80— GROUNDWATER ELEVATION <br /> 1 ► 003: CONTOUR I FFEEMEAN T <br /> T ABOVE <br /> L J DISPENSER MW-7 CONTOUR INTERVAL-0.10 FOOT) <br /> CALCULATED GROUNDWATER <br /> UNDERGROUND 0.003 GRADIENT DIRECTION AND <br /> USED OIL TANK ` _ _ MAGNITUDE IN FOOT PER FOOT <br /> -11.80 — 1-101 <br /> UNDERGROUND MW-2 MW--J <br /> FUEL TANKS ; I (-11,84) (-11.89} a <br /> f / <br /> MW-1 1-- - - - J 0 / <br /> (-11.89) 1000, <br /> 11-000 <br /> PLANTER / <br /> DRIVEWAY O <br /> DFt4VEWAY <br /> TRANSFORMER ooll <br /> FIGURE 2 <br /> J <br /> POTENTIOMETRIC GROUNDWATER <br /> ELEVATION CONTOUR MAP <br /> ANUARY 16, 1996 <br /> BP OIL SERVICE STATION NO. 11193 <br /> 3202 WEST HAMMER LANE y <br /> MW-6 STOCKTON, CALIFORNIA <br /> . (-12.09) <br /> PROJECT N0. 10-136 a <br /> P <br /> 1 <br /> ^�ALISTO ENGINEERING GROUP <br /> /+` WALNUT CREEK. CALIFORNIA <br />