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ER�0O RDA _ <br /> Y•�� BUILDING <br /> MW 11e <br /> — (NS) 0 AS 3 W <br /> (c0 501 1 <br /> mW-6 <br /> r-------� I LEGEND <br /> MW <br /> (46) ia(Iz) i y MW 10 GROUNDWATER MONITORING WELL <br /> MW 8 <br /> (<O 50) AS 2 \3 AS-11 <br /> O <br /> I I IA�-VW-11 VAPOR EXTRACTION WELL.LOCATION <br /> MW 2 (11 Opo)AS-11 (7 3) <br /> I (<O 50) I DISPENSER I (NS) VW 11 VW 2 <br /> I MW 4 I ISLANDS I (NS)-VW 2.SdP <br /> _ 0 AS 2 AIR SPARGE WELL LOCATION <br /> 0 50} <br /> < I (c0 I i �- i i h� i I h (110m) BENZENE CONCENTRATIONS MEASURED IN PARTS <br /> Z I PER BILLION(PPB) <br /> o� <br /> xts IN <br /> m I I <br /> U GRO LINE OF EQUAL CONCENTRATION OF BENZENE <br /> i it �5p�� <br /> —J i SJO�AG N�S E MEASURED IN PPB <br /> p i of CANOPY i i i i i > (NS) NOT SAMPLED <br /> U i ' ¢ WELLS SAMPLED 206102 8 2127/02 <br /> a l z STATIDN CONCRETE i <br /> w LL BUILDING L----J i____A L____J <br /> (<0 50) (<0 50) <O 50 <br /> IQ ( } <br /> o Mw70 MW 1 �Mw 10 <br /> �I FL — <br /> f0 <br /> I I <br /> II <br /> L -- - -J <br /> WOOD FENCE <br /> 0 30 FT <br /> q + HORIZON ENVIRONMENTAL INC BENZENE ISO-CONCENTRATION FIGURE <br /> APPROXIMATE SCALE MAP <br /> _..- <br /> Project Number 141945 Drawn By M LaCoste FORMER BEACON STATION NO 12419 3 <br /> SOURCE FIGURE MODIFIED FROM SURVEY PROVIDED Prepared By C Roth Date 3x28102 2350 WATERLOO ROAD <br /> BY RON ARCHER CML ENGINEER INC Reviewed By R Smth Remed Date STOCKTON,CALIFORNIA <br />