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Mass balance calculations forTf'H-D in soil <br /> -' (413)'(3.1416) r1 * r2 * r3 <br /> volume of impacted soil <br /> f` (elipsoid)= 4.19 50 59 * 5 <br /> Volume of impacted soil= 61261.2 ft.3 <br /> Average concentration of <br /> contaminant in soil= 246.825 mg/kg <br /> Chemical TPH-g <br /> ii <br /> mass= 61,261.2 ft3 28.32 L 1.7 kg 246.825 mg 1.0E-06 kg <br /> ft3 L kg mg <br /> mass= 728.0 kg = 1605.2 lbs) ,! <br /> It is assumed for the purposes of this calculation that nearly all of tho TPHd exists between 10-20 ft bgs. <br /> F_•I <br /> i <br /> _ 'i <br />