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M <br /> c," N <br /> M <br /> O <br /> O <br /> O <br /> LEGEND: <br /> I <br /> Z <br /> m MW�'7+ GROUNDWATER MONITORING WELL <br /> 3m <br /> OF LOCAL UPPER AQUIFER <br /> 0 Z EXISTING QUIK STOP PLANTER <br /> MARKET ( MW--4 GROUNDWATER MONITORING WELL <br /> OF LOCAL LOWER AQUIFER <br /> W <br /> > —�5.8 / GROUNDWATER ELEVATION CONTOUR UNE <br /> - OF LOCAL LOWER AQUIFER IN FEET <br /> ~ BELOW MEAN SEA LEVEL (MSL) <br /> L <br /> APPROXIMATE Q a MW-4 I —5.87 GROUNDWATER ELEVATION OF LOCAL LOWER <br /> PROPERTY LINE —5.81 I AQUIFER IN FEET BELOW MSL <br /> U) ASPHALT <br /> C-� —5.76 APPROXIMATE APPRARENT DIRECTION OF <br /> x Mw- PROPERTY LINE GROUNDWATER FLOW <br /> W ASPH <br /> Z <br /> g MW-6 EXISTING <br /> Y <br /> '1' RAMP <br /> --5.76 <br /> � —5.78 I <br /> �1 P P PD MW-5 —5 $6 t CONTOURS ARE BASED ON INTERPRETATION <br /> LOCATION O <br /> APPROXIMATE 580 — . OF AVAILABLE DATA, AND ARE NOT <br /> F _ _ <br /> UNDERGROUND INTENDED TO IMPLY CERTAINTY <br /> STORAGE TANKS <br /> 5.82 P P PUMP { TACO EXISTING <br /> MW-7 I <br /> -•5.84 <br /> TACO BELL <br /> PLANTER —5.56 � 5 87 DRIVE—THRU <br /> PLANTER _ _ _ _ SCALE <br /> SIDEWALK <br /> 30 0 30 FEET <br /> GROUNDWATER ELEVATION CONTOUR MAP <br /> °03 N LOCAL LOWER AQUIFER, MW-1R, <br /> W E S T H A M M E R L A N E _ MW-2, MW-3, AND MW-4 (9--22-98) <br /> QUIK STOP MARKET 132 <br /> 3555 WEST HAMMER LANE <br /> tW °p0} E STOCKTON, CALIFORNIA <br /> PREPARED FOR <br /> QUIK STOP MARKETS, INC. <br /> FREMONT, CALIFORNIA <br /> Qo-20-98 ,os ISSUED POR REPORT SOURCE SITE SURVEY BY RON ARCHER, CIVIL ENGINEER INC 5 ,WASSOCIATES INC <br /> DATED DECEMBER 14, 1992 <br /> HISTORIC GROUNDWATER FLOW <br /> No DATE ISSUE / REVISION wa 6r o s1a er DIRECTIONS AND GRADIENTS 20-98 DRAWING NUMBER <br /> DAT£ 10— <br /> BEGINNING 2/97 SCALE A5 SHOWN FIGURE 4 62503 0003-839 <br /> 1 <br />