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Mr Seyed Sadredrn <br /> July 28, 1993 <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs = gram * umole moles 103mg <br /> day mole mole 106u moles gm <br /> * 1 195 "sole x 2 2046 * 10-'Ib * 60mm ft 3 * 24hr <br /> CF@60-F mg hr min day <br /> or <br /> lbs = u mole * ft 3 - 3 83 x 10-4 <br /> day mole min <br /> where gram/mole = molecular weight (assumed to be 100 or C7) <br /> • <br /> µmole <br /> - PPmdy <br /> mole <br /> s = 100 <br /> men <br /> Concentrations of hydrocarbons m the extracted soil vent gas and catalytic oxidizer outlet <br /> were determmed by collecting a tedlar gas bag sample and analyzing the sample(see attached <br /> results) <br /> Brown and Caldwell <br /> Consuitants 742SCOR6BSP042SAELM►Y <br />