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i <br /> SOURCE:FIGURE MODIFIEO FROM DRAWING PROVIDED BY <br /> ACTON,MICKELSON,VAN DAM,INC.AND SURVEY <br /> BY RON ARCHER CIVIL ENGINEER,INC. <br /> �(<0.50) <br /> MWS <br /> m <br /> g <br /> PRISCILLA'S j ROOSEVELT <br /> CLEANING ELEMENTARY <br /> SERVICES SCHOOL <br /> -T, Overhead E)eMc Lina <br /> MWS — <br /> I <br /> �I <br /> I EASTM,47NSTREET <br /> �1 <br /> 1 <br /> I <br /> A <br /> PHONES <br /> l 1 <br /> _ 1 w <br /> (NS) 1 <br /> MW-10'e —MW-2-—— 1 <br /> (<0.50)`\ ee(15,000) ` -- aerheadElactrcLne <br /> 11 \.(5{000)VW-5d MW-1� MWS VW-1f{35,000) ———— — <br /> (4,300) .• VW-21(NS) <br /> 1 (NS)VWS <br /> VW-3(NS) 1 1 <br /> 11 \\ SPER <br /> NOS <br /> IAS 1 r Q!MWe(<0.50) 11 <br /> 0MW3(NS) <br /> 1 1 i <br /> NDERG�ou <br /> 1 \ • �� fTORAGE TANKSI 1 1 <br /> 1 \ MW-11 VW-7 <br /> 1 \ 1 1 <br /> 1 \ StAi10S <br /> 1 _ 'W5"taE J 1 I <br /> I _ <br /> 11 MW-1 <br /> 1 Qy(NS) \ MW-7MW <br /> .50 <br /> (<0.50_9 <br /> LEGEND: one 1 1 <br /> 1 1 1 <br /> MWS GROUNDWATER MONITORING WELL —x� k vAe a <br /> 1 1 <br /> Q VW-6 VAPOR EXTRACTION WELL <br /> 0 AS-1 AIR SPARGE WELL 1 1 <br /> (35,OD0) BENZENE CONCENTRATIONS MEASURED DIRTIN PARTS PER BILLION(PPB) <br /> _ <br /> LINE OF ECIUAL BENZENE MEASURED IN PPB OF 1 �EPROPS�� <br /> --5.0-- <br /> NS NOT SAMPLED 1 �p4tOX1Mp <br /> 1 �NOT USED FOR CONTOUR CONSTRUCTION 1 <br /> WELLS SAMPLED:Bf2SM3•8729103 0 40 FT <br /> APPROXIMATE SCALE <br /> _Aak-xC)RIZON ENVIRONMENTAL _INC. BENZENE ISO-CONCENTRATION FIGURE <br /> _ MAP <br /> Project Number: 1474.46 Drawn By:M.LaCoste FORMER BEACON STATION NO. 12474 3 <br /> Prepared By- C.Roth Date:1016!03 3440 EAST MAIN STREET <br /> Reviewed By:R.Smith Revised Date: STOCKTON,CALIFORNIA <br />