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iA M!�5 1 <br /> 9(r.7) 1 <br /> Priscilla a yt ` <br /> / Cleaning <br /> / <br /> Services <br /> / Roosevalt <br /> / Elementary <br /> ' School <br /> /BMW-4NS <br /> I <br /> j <br /> EAST <br /> 01i MAIN STREET j <br /> VW-1(25,000) <br /> OV)W-3/ J_* (MW-2 <br /> / MW-6 IF <br /> (7,200) <br /> Pn j 1 <br /> 6-8/ 1 r'\ Co rete — Qve_rhegd €ect�� Line _ <br /> VW-4/VW-5/VW-8 ` MW-B <br /> (9,200) (<0.67) <br /> r3� 1 <br /> ` lata neer 00 Ag-. <br /> MW 3 <br /> �. 1 <br /> V. >\ "$�. '500 -� .1/<0.50) 1. <br /> ftftft 50000 "" • 1 <br /> ` B-4 Underground�t� �+- <br /> Storage Tanks t 1 <br /> Rem iation "s <br /> 1 B-1 6`15 an(h <br /> • `"� Station },..•: ._;' °; <br /> Building G• <br /> o <0.50 (<a.(<0.50) 1 <br /> 1 Mw-7 <br /> -� <br /> 1 (<0.50)�Asphaltl <br /> � `Dirt 1 <br /> NoF?rh <br /> B-4+ Soil Boring '%� Line Of Equal Concentration Of <br /> 6000_ Benzene Measured In Parts Per <br /> MW�9+Groundwater Monitoring Well Billion <br /> VW-8+ Vapor Extraction Well NS Not Sampled <br /> Benzene Concentrations Measured <br /> - - _(2,5,000) - -- - ---Wells Sampled -08/30/99- <br /> In - -=-- ---� ..- <br /> -- _ Parts Per Billion- p <br /> 0 50 <br /> Source: Figure Modified From Drawing Provided By Acton, Mickelson, van Dam, Inc. <br /> And Survey By Ron Archer Civil Engineer, Inc. Approximate Scale In Feet <br /> HORIZON ENVIRONMENTAL_INC. BENZENE ISOCONCENTRATiON MAP FIGURE <br /> Project Number. 1474.42 Drawn 8y: D. Alston/C.8, BEACON STATION NO. 474EAST�T MAIN S�R� 3 <br /> Prepared By: M. Souverville Date: 10/99 3440 440 CALIFORNIA <br /> Reviewed By: K. Moteik Revised Date: <br />