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r <br /> I• N N APPROXIMATE ++ <br /> J SITE BOUNDARY APPROXIMATE <br /> > PLANTER TACO BELL <br /> J EXISTING QUIK STOP SITE BOUNDARY y <br /> L, ; I MARKET I � LEGEND: <br /> mI r <br /> i m MW-,10 - GROUNDWATER MONITORING WELL <br /> a z OF LOCAL UPPER AQUIFER <br /> r � <br /> Lam,, _ i MW=9 Q GROUNDWATER MONITORING WELL <br /> r g MW-4Q 7.50 �} OF LOCAL LOWER AQUIFER <br /> � a 7.40 -7.48 r, <br /> ' !� - - ASPHALT SNP 116 501E BORING <br /> 1 ,I <br /> Z SHP--1 ASPHALT I EXISTING ATC`-4 O SOIL BORING <br /> -7.31 O OUTLINE RAMP) <br /> MW-3 I 1 <br /> OF I -7.60 7.70 GROUNDWATER ELEVATION CONTOUR <br /> Q CANOPY I SpHP-4 } j, LINE OF LOCAL LOWER AQUIFER IN <br /> w -7.45 Y - { FEET BELOW MEAN SEA LEVEL <br /> � MW-1R MW-6 <br /> (MSL) <br /> -7.74 GROUNDWATER ELEVATION OF <br /> C� SHP--30 LOCAL LOWER AQUIFER IN FEET <br /> PU PUMP BELOW MSL. MEASURED ON 12/14/04. <br /> APPROXIMATE - —J MW-5! > I SHP-5 <br /> LOCATION OF —, Q MW 7� I GROUNDWATER FLOW DIRECTION <br /> UNDERGROUND ` - --_—_� I EXISTING -7.70 GRADIENT = 0.002 ft/ft <br /> STORAGE TANKS TACO BELL <br /> I PUMP PUMP w <br /> f `J <br /> PLANTER i NOTES: <br /> '0 5 ATC-5 �" FPARKING <br /> ATC-6 -7.46 LOT <br /> 00.5N \ MW-2 O SHP--2 i -7 74 y 1. CONTOURS ARE BASED ON INTERPRETATION <br /> \ MW . OF AVAILABLE DATA, AND ARE NOT <br /> - ATC-1 PLANTER INTENDED TO IMPLY CERTAINTY. <br /> SMP-6 <br /> MW--10 <br /> 0ti SIDEWALK � !i <br /> p0 SCALE <br /> w E I <I <br /> �I� 30 0 30 FEET <br /> `r <br /> 11 <br /> GROUNDWATER ELEVATION CONTOUR MAP <br /> GW E S T H A M E R L A N E LOCAL LOWER AQUIFER 12/04 (MW-1 R, <br /> ,1 MW-2, MW-3, MW-4, MW-'s AND MW-9 <br /> HISTORIC GROUNDWATER FLOW <br /> DIRECTIONS AND GRADIENTS ATC-3 ATC-4 QUIK STOP MARKET 132 <br /> BEGINNING 2/97 ATC-2 3555 WEST HAMMER LANE <br /> SOURCE: SITE SURVEY BY RON ARCHER, STOCKTON, CALIFORNIA� ` � <br /> CIVIL ENGINEER, INC., , PREPARED FOR <br /> DATED DECEMBER 14, 1992 <br />� WELL MW-8 SURVEYED BY QUIK STOP MARKETS, INC. � <br /> I FREMONT, CALIFORNIA <br /> SiEGFRIED ENGINEERING, INC. ! <br /> DATED 12/9/99 G / <br /> ISSUED FOR REPORT <br /> 7 ASSOCIATES INC. <br /> A01/12/05 EC '-7.5 <br /> MW-8� <br /> No. DATE ISSUE / REVISION OWN. CK'D BYAP'D BY DATE: 01/12/05 1 PROJECT NUM8ER <br /> fI SCALE: AS SHOWN FIGURE 4 62503.3205 <br />