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r <br /> f <br /> p N APPROXIMATE �r <br /> co SITE BOUNDARY i <br /> j APPROXIMATE I, <br /> Ld EXISTING QUIK STOP ! f PLANTER TACO BELL I <br /> �+ MARKET I SITE BOUNDARY I i� <br /> ' ' LEGEND. <br /> m <br /> _ M • GROUNDWATER <br /> Z W-1a I ' OFLOCALUPPER AQUIFER WELL <br /> i <br /> f w <br /> MW-9 A GROUNDWATER MONITORING WELL <br /> ' `6.6 —S 68 -6.8 OF LOCAL LOWER AQUIFER <br /> LJ f ASPHALT SHP-6 SOIL BORING <br /> Z SHP-1 <br /> -6.59 0 ASPHALT i EXISTING 6.9 � ATC-4 0 SOIL BORING <br /> MW-3 & OUTLINE RAMP P <br /> OF <br /> Q CANOPY SHP-4 f --7.2 Q GROUNDWATER <br /> OF ELEVATION <br /> CONTOUR <br /> N <br /> -6.74 <br /> Y 15: - �7.0 FEET BELOW MEAN SEA LEVEL <br /> N MWS�—y1\\R II MW-6 (MSL) <br /> SHP-3 I x-7.25 GROUNDWATER ELEVATION OF PUMP PUMP TT`` LOCAL LOWER AQUIFER IN FEET <br /> APPROXIMATE � ' — MW-51 I —7, 1 BELOW MSL. MEASURED ON 6/17/04. <br /> LOCATION OF ^ �, 2 EXISTING MW 7 } <br /> UNDERGROUND ` _ o TACO BELL • SHP-5 ! GROUNDWATER FLOW DIRECTION <br /> '. STORAGE TANKS I PUMP PUM J I I GRADIENT = 0.003 ft/ft <br /> m -7.2 4 <br /> 5 PLANTER <br /> ATC-5 <br /> PARKING � NOTES: <br /> Arc-6 -6.68 <br /> 003N 11MW-2& SHP-2 C LOT <br /> 1. CONTOURS ARE BASED ON INTERPRETATION <br /> t — — — <br /> //— .257OF AVAILABLE DATA, AND ARE NOT <br /> ATC-1 PLANTE MW—9 I <br /> • SNP-6 INTENDED TO IMPLY CERTAINTY. <br /> MW-10 <br /> ' W oa0ti SIDEWALK <br /> E y <br /> _ SCALE <br /> i <br /> ' C j 30 0 30 FEET <br /> i 1 <br /> s � <br /> W EST HAM M� �R L <br /> E AN E � GROUNDWATER ELEVATION CONTOUR MAP <br /> a LOCAL LOWER AQUIFER 06/04 (MW-1 R, <br /> ' / MW-2, MW-3 MW--4 <br /> HISTORIC GROUNDWATER FLOW ATC-3 ATC-4 � MW-8 AND MW-9 <br /> DIRECTIONS AND GRADIENTS ATC-2 QUIK STOP MARKET 132 <br /> BEGINNING 2/97 3555 WEST HAMMER LANE <br /> ' SOURCE: SITE SURVEY BY RON ARCHER, STOCKTON, CALIFORNIA <br /> CIVIL ENGINEER, INC., <br /> DATED DECEMBER 14, 1992 / / PREPARED FOR <br /> ' WELL MW-8 SURVEYED BY QUIK STOP MARKETS, INC. <br /> 51EGFRIED ENGINEERING, INC. �, , <br /> DATED 12/9/99 FREMONT, CALIFORNIA <br /> Q07/05/04 —6 ISSUED FOR REPORT C •-I <br /> EC .�rJ <br /> Mw-8® 4 "ASSOCIATES INC. <br /> No. DATE ISSUE / REVISION DWN. OY CWD erAWD,BY DATE: 07/06 04 FIGURE 4 PROJECT NUMBER <br /> ' SCALE: AS SHOWN 62503.3205 <br />