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Mr Seyed Sadrednn <br /> April 22, 1993 <br /> Page 2 <br /> Mass emission rate (lbs/day) is calculated as follows <br /> lbs _ gram * pmole * moles * 103mg <br /> day mole mole Wp moles gm <br /> 1 195 <br /> mole 2 2046 10'Ib 60min ft 3 24hr <br /> * * <br /> CF@60°F mg hr min day <br /> or <br /> Ibs __ p mole * 1t 3 * 3 83 x 10-4 <br /> day mole min <br /> where gram/mole molecular weight (assumed to be 100 or C7) <br /> u mole <br /> male - PPmd" <br /> ft <br /> - 100 <br /> min <br /> Concentrations of hydrocarbons in the extracted soil vent gas and catalytic oxidizer outlet <br /> were determined by collecting a tedlar gas bag sample and analyzing the sample(see attached <br /> results). <br /> Brown and Caldwell <br /> Consultants 742RYCORRES"42&kM-k x <br />