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MW-5 i. <br /> (0.64) <br /> 0.5 <br /> • A <br /> Q <br /> PRISCILLA'5 a ROOSEVELT <br /> GLEANING ELEMENTARY <br /> SERVICES SCHOOL <br /> ` Overhead Electric Line_ <br /> 9t MW-4 e — — <br /> 3f (c0.50) , <br /> I HAS rUAIySTREET <br /> �4 <br /> 1 5 <br /> 4 0. <br /> Sn <br /> jT y' � <br /> MW-10 4 O CRE gc�~MW-2 17,000 _ <br /> 1N Overhead Ele`trie Line <br /> \00.50) O \tuis/l � <br /> ( ).. .,....,, <br /> VW-4/VW-5/VW-6 6 (2.900) W-1�2 OO VW-1NW-2lVW-3 B-2 I <br /> \ (7,100) (36,000)' If I <br /> 1 \ <br /> AS-1 :•�MW.B(<0.50) <br /> 1 I <br /> 1 \\ (19) - MW-3(<0.50) 1 <br /> 1 - ,- -'B-3 1 <br /> UNDERGROUND <br /> 1 \\ MW-11QQ VW-7 STORAGE'_ �6� 1 <br /> 1 \ TANKS �'. _ 1 <br /> 1 \ 12.61 <br /> 1 \ REMEDIATION 11 <br /> TRENCH X11 <br /> 1 g1151.D1�G ............... � 1 <br /> MW-9 <br /> (ASPHALT \ J <br /> 1 CDIRT1 <br /> UNDO � <br /> 1 Pp <br /> LEGEND: �' Nc)R7 <br /> MW-9 GROUNDWATER MONITORING WELL <br /> +Q VW.6 VAPOR EXTRACTION WELL <br /> •B-4 SOIL BORING <br /> )9 AS-1 ASR SPARGE WELL <br /> (2,000) BENZENE CONCENTRATIONS MEASURED IN PARTS <br /> PER BILLION(PPB) <br /> --5.0-- LINE OF EQUAL CONCENTRATION OF BENZENE <br /> MEASURED IN PPB <br /> WELLS SAMPLED 09106!01 <br /> 0 50 FT <br /> SOURCE:FIGURE MODIFIED FROM DRAWING PROVIDED BY ACTON,MICKELSON,VAN DAM,INC. <br /> AND SURVEY BY RON ARCHER CIVIL ENGINEER,INC. APPROXIMATE SCALE <br /> HORIZON ENVIRONMENTAL INC. BENZENE ISO-CONCENTRATION FIGURE <br /> �r MAP <br /> Project Number: 1474.44 Drawn By:M.LaCoste BEACON STATION NO.3474 3 <br /> Prepared By: C.Roth Date:10/17101 3440 EAST MAIN STREET <br /> Reviewed By:R.Smith Revised Date: STOCKTON,CALIFORNIA <br />