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[I <br /> I <br /> N APPROXIMATE LEGEND: <br /> SITE BOUNDARY I <br /> 11 ! APPROXIMATE MW-10 • GROUNDWATER MONITORING WELL <br /> PLANTER BELL <br /> EXISTING QUIK STOP SITE BOUNDARY f � OF LOCAL UPPER AQUIFER <br /> r�I MARKET a <br /> > r I MW-g GROUNDWATER MONITORING WELL <br /> Z <br /> Ofuj <br /> I I I OF LOCAL LOWER AQUIFER <br /> < On <br /> M I <br /> Of <br /> Z ATC-4 <br /> O `, � SOIL BORING <br /> ' I Y <br /> SH+ I O SOIL BORING <br /> + g MW-4 <br /> - � l <br /> TOTAL PETROLEUM HYDROCARBONS <br /> � F <br /> EXISTING ASPHALT AS GASOLINE� /MICROGRAMS PERHLIT�RI {ug/I) <br /> Z SHP-1 ASPHALT + RAMP <br /> J I 0 <br /> 1 NR `660*�BENZENE IN ug/I <br /> Y ul r MW-3ul <0.50 <br /> Q 9 [<0.50] '[570] METHYL TERT—BUTYL ETHER (MTBE) <br /> r IN ug/I BY EPA METHOD 8260 <br /> OUTLINE MW-6 � ' <br /> OF _� I SHP-4 <br /> CANOPY i < NOT DETECTED ABOVE <br /> MW-1R k LISTED DETECTION LIMIT <br /> SHIP-3 I �I ^ <br /> PUMP PUMP DENOTES SAMPLES CONTAINS <br /> APPROXIMATE _ —_ MW-5 5HP-5 DISCRETE PEAK IN GASOLINE RANGE <br /> LOCATION OF 660- <br /> UNDERGROUND �— — — --J <5.0 I 4 NR NOT REQUESTED <br /> STORAGE TANKS r PUMP PUMP [570] J� TACOEXISEXISBELBELL NR-7 <br /> NR _ " GROUNDWATER MONITORING WELL SAMPLES <br /> in WERE COLLECTED ON 09/30/04. <br /> ow [<0.50] <br /> 1 <br /> PLANTER ATC-5 I v> i PARKING <br /> a <br /> \ MW-2 OSHP-2 I + LOT <br /> ATC-6 MW-9 <br /> - - - ATC-1 PLANTER <br /> • SHP-6 <br /> MW-10 <br /> SIDEWALK NR <br /> NR SCALE <br /> [0.80] <br /> 30 0 30 FEET <br /> TRH-G/BENZENE/MTBE CONCENTRATIONS <br /> C, W E S T H A M M E R L A N E IN °GROUNDWATER, UPPER AQUIFER 09/04 <br /> (MW-5, MW-6, MW-7 AND MW-10) <br /> ATC-2 ATC-3 ATC-4 QUIK STOP MARKET 132 <br /> SOURCE: SITE SURVEY BY R0N ARCHER, 3555 WEST HAMMER LANE' STOCKTON, CALIFORNIA <br /> CIVIL ENGINEER, INC., <br /> DATED DECEMBER 14, 1992 <br /> I PREPARED FOR <br /> WELL MW-8 SURVEYED BY — — ---- — — -- — QUIK STOP MARKETS, INC. <br /> ' SIEGFRIED ENGINEERING, INC. <br /> DATED 12/9/99 �. FREMONT, CALIFORNIA <br /> ISSUED FOR REPORT <br /> O D4i23i°" EC ASSOCIATES INC. <br /> No, DATE ISSUE / REVISION OWN. BYCK'D BYAP'D W �MW-8 DATE: 11 12 04 PROJECT NUMBER <br /> SCALE: AS SHOWN FIGURE 5 62503.3205 <br />