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r <br /> 1I <br /> �I <br /> .' 0 N APPROXIMATE r ' I � <br /> rn SITE BOUNDARY i l <br /> PLANTER APPROXIMATE MW-10 {.}- OFOLOCAL AUPPER AQUIFER <br /> WELL <br /> ' TACO BELL T <br /> EXISTING QUIK STOP SITE BOUNDARY I <br /> CL MARKET <br /> ' <br /> I i M -9 ® GROUNDWATER MONITORING WELL I I OF LOCAL LOWER AQUIFER <br /> z <br /> m <br /> z ATC-4+ SOIL BORING <br /> o <br /> � I <br /> .� w I S P-6 O SOIL BORING <br /> z MW-419 <br /> rF <br /> TOTAL PETROLEUM HYDROCARBONS <br /> EXISTING ASPHALT AS GASOLINE (TPH-G) IN <br /> MICROGRAMS PER LITER (ug/1) <br /> ASPHALT RAMP' <br /> z Y SI-IP-1 I 1,300�BENZENE IN ug/I <br /> ' ¢ 50* <br /> ®OMW-3 I <0.5 <br /> <0.50 I C10 METHYL TERT-BUTYL ETHER (MTBE) <br /> [<0.50] <br /> [113003 METHYL <br /> ug/I BY EPA METHOD 8260 <br /> OUTLINE`S { MW-6 'I' I <br /> OF SHP-4 < NOT DETECTED ABOVE <br /> CANOPY MW-1R LISTED DETECTION LIMIT <br /> I _ 0 SHP-3§� E- <br /> �- --N PUMP PUMPHYDROCARBON REPORTED IN THE <br /> _ _ * GASOLINE RANGE DOES NOT MATCH <br /> �_ —J <br /> APPROXIMATE -- � M 300 I ,� LABORATORY STANDARDS <br /> LOCATION OF -CrP' <br /> UNDERGROUND �- -- -- <10 GROUNDWATER MONITORING WELL SAMPLES <br /> STORAGE TANKS [i,30O) EXISTING MW-7 I WERE COLLECTED ON 09/03. <br /> I PUMP PUMP I -j a TACO BELL <50 <br /> w <0.50 <br /> PLANTER ATC-5 o a—+ La <br /> PARKING <br /> LOT <br /> MW-2 OSHP-2 I MW-9 <br /> +AXTC-6 <br /> - - - ATC-1 PLANTER r SHP-6 <br /> MW-10 <br /> <50 <br /> SIDEWALK <0.50 SCALE <br /> [0.68] <br /> 30 0 30 FEET <br /> T H-G/BENZENE/MTEIE CONCENTRATIONS <br /> { W E S T H A M M E R L A N E IN GROUNDWATER <br /> UPPER AQUIFER (9/03) <br /> ATC-2 ATC-3 ATC-4 QUIK STOP MARKET 132 <br /> 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 /> ' SIEGFRIED ENGINEERING, INC. FREMONT CALIFORNIA <br /> DATED 12/9/99 <br /> 7Q/64/03 <br /> ISSUED FOR REPORTec v'F- vl- ,� "ASSOCIATES INC. <br /> No. DATE ISSUE / REVISION c�'u ;wro 19MW-8 DALE: 10/06/03 FIGURE 5 PROJECT NUMBER <br /> S LE: AS SHOWN 62503.3204 <br /> I, <br /> i <br />