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TREES <br /> MEDIAN MW-80 <br /> EAST HAMMER LANE <br /> SIDEWALK — —— SIDEWALK <br /> PLANTER -- -- -- — �\ <br /> PLANTER <br /> v MW- 13*6 , <br /> // I (3 2) 1 <br /> / M '50 ¢ I FORM B- I <br /> / / UNDER. UND FORMER <br /> ED �t I TORAGE TANKS DISPENSER MW 7 <br /> / •B-3 \ ISLANDS Q'�(DRY) <br /> VWI+588 B-5 <br /> / Y r I II MWS {- y, I I 1 tl I <br /> MW 2 1 (604Z(810) MW 1!(10) rl <br /> 1 (530) 1__k ;VW 1&2I, Q I <br /> P)AKING / / I SW ® I (DRY)I, 1 y <br /> SEES L14,� VW 3&41 I 47_ Z <br /> f _(DRY) pp+ I I n <br /> CANDIES \ /UNDERGROU D I j L DRY} 1 <br /> NATURAL GAI LINE __ 09 m Z I N <br /> GAS ME <br /> \ I CON RETE <br /> D <br /> P TER <br /> 0 _1— <br /> LEGEND B43 ELECTRICAL I I¢ <br /> I <br /> MWS DESTROYED GROUNDWATER MONITORING WELL VAULT i ( WIAVYEWA FFlC) I <br /> MW S GROUNDWATER MONITORING WELL 16 1 n <br /> SW 1 SPARGE WELL PjMW�i <br /> � MW 31 GROUNDWATER MONITORING WELL AND i / MW 3 <br /> VW 1&2 VAPOR EXTRACTION WELL <br /> ® <br /> (<0 S <br /> VW-3&4 DUAL SOIL VAPOR EXTRACTION WELL LOCATION I I NORTH <br /> IRKING PARKING <br /> Q VW 5&6 SOIL VAPOR EXTRACTION WELL LOCATION I •B 7 I <br /> •B-8 SOIL BORING LOCATION APPROXIMATE PROPERTY BOUNDARY <br /> (530) BENZENE CONCENTRATION MEASURED <br /> IN PARTS PER BILLION(PPB) 0 50 FT <br /> -50-- LINE OF EQUAL CONCENTRATION OF <br /> BENZENE MEASURED IN PPB <br /> SOURCE FIGURE MODIFIED FROM DRAWINGS PROVIDEO <br /> NS NOT SAMPLED BY EVAX TECHNOLOGIES INC AND STERIK CO APPROX SCALE <br /> WELLS MEASURED 9119!03 <br /> HORIZON ENVIRONMENTAL INC BENZENE ISOCONCENTRATION FIGURE <br /> "CONCENTRATION NOT USED FOR CONTOUR ,�,,,� <br /> CONSTRUCTION ~- MAP <br /> Project NLnber 164146 Drawn By M LaCoste BEACON STATION NO 3641 3 <br /> Prepared By C Roth Date 10120103 1210 EAST HAMMER LANE <br /> Reviewed By R Smith Revised Dale STOCKTON,CA <br />