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TREES <br /> MEDIAN MW-8 <br /> EAST HAMMER LANE <br /> SIDEWALK _ __ —R SIDEWALK —— —— <br /> PLANTER <br /> PLANTER (<0.50) S 1 <br /> Z I MW-0 B <br /> MW-11 <br /> I z 3 (<0.50) <br /> i�MW-12 •B-4 <br /> I I W <br /> MW-7 <br /> INS) <br /> (NS <br /> �1 (NS)VW-5&fi • B5 <br /> I (65)qMW-�5 I MW-1 {NS} I >{ <br /> PARKIN MW-2 (77) SW-1 VW-1&2(NS} I pl <br /> SEES I (140) I �J VW-3&4 I I I 1+ <br /> CANDIES UNDE RO D I VW-7 LS) J z L7 L— —J a: m <br /> \ NATO LGA LINE lN5 o cl I <br /> z <br /> MW-9 �'\ GA� ETER $0 I M�(<0.50)* vi m a I <br /> I (<0.50) \ I i P PA <br /> CONCAR E I m <br /> I I <br /> B43 I <br /> DRIVE <br /> w I a <br /> ELEC CAL I (TWO-WAY FFIC) w <br /> VAULT 7 <br /> �MW-6 I� <br /> I (3.1) <br /> APN 094-030-11 I s APN 094-030-12 <br /> MW-3 <br /> PARKING 50) <br /> I II •B-7 <br /> LEGEND: L-------------------J L 7— <br /> MWS DESTROYED GROUNDWATER MONITORING WELL <br /> AP13RkIM1�TE F'R�PER7Y�BOUNpAR� <br /> Z MW-13 GROUNDWATER MONITORING WELL I <br /> ®SW-1 SPARGE WELL APN 094-030-43 I I <br /> MW-t/ GROUNDWATER MONITORING WELL AND <br /> VW-1&2 VAPOR EXTRACTION WELL I NORTH <br /> I <br /> ®VW3&4 DUAL SOIL VAPOR EXTRACTION WELL LOCATION I APN 094-030-13 I <br /> Q VW-5&6SOIL VAPOR EXTRACTION WELL LOCATION <br /> •B-8 SOIL BORING LOCATION I <br /> (140) BENZENE CONCENTRATION MEASURED b 60 FF <br /> IN PARTS PER BILLION(PPB) I MW-10 <br /> —50— LINE OF EQUAL CONCENTRATION OF <br /> (<0.50) <br /> BENZENE MEASURED IN PP8 SOURCE:FIGURE MODIFIED FROM DRAWINGS PROVIDED I <br /> NS NOT SAMPLED BY EVAX TECHNOLOGIES,INC.AND STERIK CO. i I APPROX.SCALE <br /> WELLS MEASURED:6129105 _Aft HORIZON ENVIRONMENTAL INC. <br /> "CONCENTRATION NOT USED FOR CONTOUR - BENZENE IN GROUNDWATER FIGURE <br /> CONSTRUCTION _ ISOCONCENTRATION MAP <br /> Project Number.1641.48 Drawn By: M.LaCoste BEACON STATION NO.3641 (� <br /> Prepared By: K Liptak Date: 1x26105 1210 EAST HAMMER LANE <br /> Reviewed By: R.Smith Revised Date: STOCKTON,CA. <br />