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' II i I o N APPROXIMATE ` I LEGEND: SITE BOUNDARY ! I ' -j PLANTER APPROXIMATE MW-10 • GROUNDWATER MONITORING WELL m EXISTING QUIK STOP I TACO BELL I �I n- w MARKET SITE BOUNDARY OF LOCAL UPPER AQUIFER t z w , I ` MW-9 O GROUNDWATER MONITORING WELL a ` ` 4! JC-4 OF LOCAL LOWER AQUIFER -�- SOIL BORING 1 I � I � MW--4 I JP-6 0 SOIL BORING :t fY a <0 5 - - <0.50 I i TOTAL PETROLEUM HYDROCARBONS ``� [<0.50] EXISTING ASPHALT AS GASOLINE (TPH-G) IN z J I SHP--1 ASPHALT I RAMP f MICROGRAMS PER LITER (ug/1) ui I �OMW-3 NR 81* ` % <0�50�BENZENE IN ug/I Q (n NR OUTLINE [5.2] I [<0.50] METHYL TERT-BUTYL ETHER (MTBE) � [<0.50] CANOPY MW-IR I MW-6 7 SHP-4 I ; IN ug/I BY EPA METHOD 8260 ' < NOT DETECTED ABOVE I O D SHP-30� LISTED DETECTION LIMIT PUMP PUMP HYDROCARBONS REPORTED IN THE APPROXIMATE — —1 I y ,SHP-5 I GASOLINE RANGE DO NOT MATCH LOCATION OF 1 -�Y.0 LABORATORY STANDARDS UNDERGROUND �- -- — � ' . STORAGE TANKS — — EXISTING MW-7 PUMP PUMP TAC() BELL ) DENOTES SAMPLES CONTAINS i� DISCRETE PEAK IN GASOLINE RANGE ml 1 NR NOT REQUESTED PLANTER ATC-5 0 i I NR ' 62- MW-2 �Q <0.50 PARKING GROUNDWATER MONITORING WELL SAMPLES <0.50 19 0 5HP-2 I I [1.5] LOT q WERE COLLECTED ON 09/30/04. \ +AA:T 6 [40] I MW-9 _ATC-1 PLANTER • 5HP-6 MW-10 SIDEWALK SCALE 30 0 30 FEET TPH-G�BENZENE MTBE CONCENTRATIONS C W E S T H A M M E R L A N E IN GROUNDWATER, LOWER AQUIFER 09/04 (MW-1 R, M -2, MW--3, MW-4, MW--8 AND MW-9) ATC-2 +ATC-3 +ATC-4 QUIK STOP MARKET 132 13555 WEST HAMMER LANE ' SOURCE: SITE SURVEY BY RON ARCHER, , STOCKTON, CALIFORNIA CIVIL ENGINEER, INC., I DATED DECEMBER 14, 1992 ' PREPARED FOR WELL MW-8 SURVEYED BY QUIK STOP MARKETS, INC. ' SIEGFRIED ENGINEERING, INC. <50 , FREMONT, CALIFORNIA DATED 12/9/99 <0.50 •� Al 04/23/04 ISSUED FOR REPORT EO [<0.50] 4 AMC INC. MW-8 No, DATE ISSUE / REVISION DAIN. CK*D BYAP'D eY DATE: 04/271/04 FIGURE PROJECT NUMBER SCALE: AS SHOWN 62503.3205 I 1 i S