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. Adsorbed Mass-Volume Calculations <br /> Page 2 of 2 <br /> AGE-NC-960232 <br /> 2) Approximate volume of MTBE-impacted soil in Southern Segment(VSs) <br /> For the estimated southern segment a= 8 it,b=57 f,h= 110 ft <br /> VSs=(1 05)(8 ft)(57 ft)(I 10 ft)-*52,668 ft(120 lbslf) = 6,320,160 lbs soil <br /> Using 0 145 mg/kg as the"average"concentration in the upper half of MTBE impacted soil,the mass can be calculated <br /> to be <br /> weight of soil-average concentration -4 6,320,160 lbs-0 000000145 =0.92 lbs of MTBE <br /> Converting grams of MTBE to volume of MTBE(gallons)using density of MTBE equal to 6 18 lbs/gal <br /> 0 92 lbs of MTBE-_-6 18 lbs/gal=015 gal MTBE <br /> Combining the volumes of the northern segment (VNs) and the southern segment (VSs) MTBE- <br /> impacted soil yields a total of approximately 1.54 lbs MTBE at the site, or equivalent to 035 gals <br /> • MTBE <br /> Advanced GeoEnvironmental,Inc <br />