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i <br /> , <br /> � li <br /> 1l € <br /> , 1 , <br /> t I{ <br /> r ' <br /> 1 u <br /> b <br /> Ro pD — <br /> Vd <br /> M1 Budding <br /> E (NS) \ <br /> AS-3 , W <br /> Cxistrn Under roulnd (NS) Q EXPLANATION, <br /> _ <br /> Stora <br /> Tanks MW-9 J MW-8 AS-1/ <br /> (20)1 (<050) VW-1/_4� Aar Sparge/ <br /> I � � MW-8 I — � <br /> VW-2 Vapor Extraction Well <br /> _ (<0 SD) SAS-2_/h MW-3 Q AS-3/ Air Sparge Well <br /> (NS) ]�# (NS) cc <br /> MW-i1 Groundwater Monitoring Well <br /> I MW-2 f f I (NS)ASlllA/ W <br /> (NS) Dispenser VW-1/ N (NS) Not Sampled <br /> 1 MW-4 f Islands I II VW- <br /> (NS) I l I -Ti t �I (20) Benzene Concentrations Measured <br /> In Parts Per Billion <br /> ; r E ;I <br /> Line Of Equal Concentration Of <br /> -j S Benzene Measured In Parts Per <br /> e01 Canopy�t——— —I� i �'� i€ pI Billion <br /> Former Underground p Not U <br /> sed to Construct Contoursof Storage Tanks <br /> Station <br /> o <br /> Building MW-7 , ,Wells Sampled 5/24/05 <br /> 31 MW_1 , <br /> j I Wood Fence (NS) (NS) <br /> I MW-5 r Approximate Aroperty Boundary MW-10 <br /> (NS)# I (<O 50) <br /> NoRry <br /> 1 — Wood Fence— — —1 l 0 A 30 <br /> { F <br /> !r Approximate Scale In Feet <br /> Il �I <br /> HORIZON ENVIRONMENTAL INC. BENZENE FIGURE <br /> it ISO CONCENTRATION MAP <br /> } Pro)ect Number tt 19 48Drawn By D /dston/c B FORMER BEACON STATION NO 12419 �] <br /> Source Figure Modified From Survey Provided Prepared By K Liptaf Date 06/05 2350 WATERLOO ROAD �] <br /> By Ron Archer Civil EngLneer Inc ! STOCKfON, CALIFORNIA <br /> � Reviewed By R Smdh I Revised Date <br />