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a N o APPROXIMATE SITE BOUNDARY k APPROXIMATE E 71 PLANTER TACO BELL EXISTING QUIK STOP w Lu MARKET SITE BOUNDARY + w I > LEGEND: z w — m � MW-10GROUNDWATER MONI7ORING WELL -(•� c z OF LOCAL UPPER AQUIFER w, --7.55 7 55 MW-9 GROUNDWATER MONITORING WELL g MW-4S OF LOCAL LOWER AQUIFER -7.45 -7.54 Ld ASPHALT ASPHALT I SHP-6 SOIL BORING Z SHP-1 -7.65 EXISTING ! ATC-4 O SOIL BORING MW-3 OUTLINE Of I CANOPY -7.85 GROUNDWATER ELEVATION CONTOUR Q J LINE OF LOCAL LOWER AQUIFER IN w -7,(jp SHP-4 FEET BELOW MEAN SEA LEVEL n MW-1R MW-6 k -7.75 I (MSL) O a -7.95 GROUNDWATER ELEVATION OF PUMP p MID SHP-3 F LOCAL LOWER AQUIFER IN FEET APPROXIMATE BELOW MSL MEASURED ON 9/30/04. —— I MW 7 SHP-5 LOCATION Of EXISTING UNDERGROUND —_— TACO BELLGROUNDWATER FLOW DIRECTION STORAGE TANKS I PUMP Pump -7.85 GRADIENT = 0.002 ft/ft - m O S PLANTER ATC-5 PARKING COTES: ATC-6 -7.Sfi LOT p03N \ MW-2 IS O SHP-2I 1. CONTOURS ARE BASED ON INTERPRETATION _7 95 OF AVAILABLE DATA, AND ARE NOT MW_g ATC-1 PLANTER J B INTENDED TO IMPLY CERTAINTY, Opt SHP-6 MW-10 O0p1 SIDEWALK w E SCALE 30 0 30 FEET s W E S T H A M M E R L A N E GROUNDWATER ELEVATION CONTOUR MAP LOCAL LOWER AQUIFER 09/04 (MW-1 R, HISTORIC GROUNDWATER FLOW _ _ MW-2, MW—'3, MW-4, MW-8 AND MW-9 DIRECTIONS AND GRADIENTS 7C-2� C-3 -ATC-4 QUIK STOP MARKET 132 BEGINNING 2/97 3555 WEST HAMMER LANE SOURCE: SITE SURVEY BY RON ARCHER, STOCKTON, CALIr pRN}A CIVIL ENGINEER, INC., DATED DECEMBER 14, 1992 PREPARED FOR WELL MW-B SURVEYED BY QUIK STOP MARKETS, INC. S TEo IED/ENGINEERING, INC. c FREMONT, CALIFORNIA 1Q 07/06/04 ISSUED FOR REPORT ED —7.50 mw-8� ASSOCiATFS INC. Na. DATE ISSUE / REVISION R.arce'o BrnP'o Dr DATE: 11 12 04 FIGURE 4 PROJECT NL ER SCALE: AS SHOWN fi2503.3205