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ER�OO ROAO - <br /> WA7 <br /> Mw 11 BUILDING <br /> — O � <br /> _ <br /> (DRY} )RAS 3 <br /> (<050) \1 MW6 <br /> —— (<pd50) <br /> I LEGEND <br /> _ i I Mw s <br /> Me6 1 (A0) MW 3)`I MW 10 GROUNDWATER MONITORING WELL <br /> (1 2} AS 2 (340) AS 11 <br /> I MW 2 ( 1 (6 300)AS V #' VIN 2 VAPOR EXTRACTION WELL LOCATION <br /> {<050) DISPEN R VW 11 <br /> I <br /> MW-4 1,050) <br /> 5 i r----VW 2 -- r --- 1 H AS 3 AIR SPARGE WELL LOCATION <br /> Y I (<0 50) <br /> of 15 Opd i I i I (g 300) BENZENE CONCENTRATIONS MEASURED IN PARTS <br /> PER BILLION{PPB) <br /> m I nO UNQERO 151'IN I�O �I --54-- LINE OF EQUAL CONCENTRATION OF BENZENE <br /> —X I T J i� Sj0 E T/N MEASURED IN PPB <br /> w I <br /> CANOPY 5 Q i i (N S) NOT SAMPLED <br /> plw <br /> O CONCRETEi I WELLS SAMPLED 1214102 <br /> EL I z STATION � <br /> Lu uJ BUILDING 0 5' __ � w <br /> __J L____J L____JI J <br /> E 1 Q (<4 50} (5 0 50 — I �o <br /> 013 — MW —MW1�050}-- - - Q�MW101 <br /> a I WOOD FENCE— JJ <br /> al MW 5Q I <br /> I (<0 50) I <br /> I 11 <br /> L <br /> WOOD FENCE <br /> i <br /> I <br /> 0 30 FT <br /> HORIZON ENVIRONMENTAL INC BENZENE ISO-CONCENTRATION FIGURE <br /> NCRrN - MAP <br /> APPROXIMATE SCALE 1 <br /> Project Number 1419 45 Drawn By M LaCoste FORMER BEACON STATION NO 12419 3 <br /> SOURCE FIGURE MODIFIED FROM SURVEY PROVIDED Prepared By C Roth Date 1AC03 2350 WATERLOO ROAD <br /> BY RON ARCHER CIVIL ENGINEER INC Rewewtd By R Smith ; Revised Dale STOCKTON CALIFORNIA <br />