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U-., r- r rI r7-" C__­I r-, rte, r-*, [_--' r__7 r, r-' r_7 [.--' F-" [-' C-', r- <br /> Ethylbenzene <br /> Assumptions' 4 Area 1 Area 2 <br /> Geometrical shape of soil plume: ellipse ellipse Area _ Area of ellipse(A)=n(%a)(%b) <br /> Length of adsorbed soil plume a): 19 loo (ft) <br /> ` w <br /> Width of adsorbed soil plume(b): 14 so (ft) Volume =' -Area x.Depth (in feet) <br /> Average depth of impacted soil: to 15 (ft) <br /> Soil bulk density(p): 84 76 Ib/ft^3 Mass = Volume(ftA3) Avg.Conc. m k Ib <br /> kg 1000000 mg ft^3 <br /> Total area of impacted soil: 209 6,296 ft^2 <br /> Total volume of impacted soil: 2,093 94,440 ft^3 <br /> Contour <br /> Average Contour <br /> Length Width Concentration Volume Mass <br /> Adsorbed Hydrocarbon Contours (ft) ft (mg/kg) ft,13) (lbs <br /> Area#1 1-9 14 � ' ! 2,093 20.46 <br /> Area#2 �Tloo iso l 94,440 6.08 <br /> Total: 96,533.42 26.54 <br />