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MW-6 <br /> 0 <br /> Cleaning <br /> Services <br /> Roosevelt <br /> Elementary <br /> MW-4+ School <br /> NS— �O <br /> EAST MAIN "` �s so <br /> S TREEJ, <br /> B_(/ I ASO <br /> VW-1/VW-2XW-3 <br /> 20, 0) MW-2 M�. W-$ <br /> a <br /> 8,300 <br /> 9,600 <br /> Po nys <br /> I � _..I C cretel <br /> J t <br /> VW-4/VW-5/V46 Oyerheod ,i<lectric Line <br /> % <br /> Dispenser AS- ;e (<0.50) 1 <br /> .1 <br /> Island <br /> 1 o MW_3 <br /> neB-4 <br /> age nks 1„ <br /> 1 <br /> ti <br /> 1 S-1e Reiation <br /> med <br /> ul <br /> Station .... . <br /> 1 Building ,r r. <br /> (<O.50) - Gas <br /> MW-1 \ (<O.50) 1 <br /> MW-7 � <br /> .*MW-9 `.4sphal� 1 �1 <br /> 1 (<0.50) _ 1 <br /> 1 � Se,eeY UM' 1" 1 <br /> ' l 4�ateYat � 1 <br /> •11 5 <br /> �i� 1 <br /> 1 6ouY'dorl J <br /> 1 r' <br /> POP <br /> EXPLANATION: NORTH <br /> B-4* Soil Boring <br /> �S Line Of Equal Cancentretion Of <br /> MW-9+Groundwater Monitoring Well - Benzene Measured In PaBilEion rts Per <br /> VW-6 Vapor Extraction Well <br /> NS Not Sampled <br /> (20,000) Benzene Concentrations Measured <br /> In Parts Per Billion wells Sampled 06/03/99 <br /> 0 <br /> ,j Source:-Figure Modified-From,Drawing Provided By Acton.-Mickelson, van Dam..Inc. <br /> And Survey By Ron Archer Civil Engineer, Inc. - " <br /> Approxlmcte Scale in Feet r <br /> _ HORIZON ENVIRONMENTAL INC. <br /> BENZENE ISOCONCENTRATION MAPS <br /> Project Number: 1474.42 Drown By: D. Alston BEACON STATION NO. 474 <br /> Prepared By: M. Souverville Dote: 07/99 3440 EAST MAIN STREET <br /> Reviewed By: K. Mateik Revised Date: STOCKTON, CALIFORNIA <br />