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Mr Ola Othman <br /> May 19, 1992 <br /> Page 2 <br /> i <br /> Mass emission rate (lbs/day) as calculated as follows <br /> 6 <br /> * 1 195 mole * 2 2046 * 10 Ib 60mm * ft 3 * 24hr <br /> CF@60°F mg hr man day <br /> lbs _ gram * µmole moles 103mg <br /> day mole mole 106pmoles g"n <br /> or <br /> lbs _ pmole ft 3 <br /> - * * 383x10T4 <br /> day mole min <br /> • where gram/mole = molecular weight (assumed to be 100 or C7) <br /> p mole <br /> mole - PPmdv <br /> fr 3 <br /> = 100 <br /> min <br /> Concentrations of hydrocarbons in the extracted soil vent gas was determined by collecting <br /> a tedlar gas bag sample and analyzing the sample (see attached results) Concentrations of <br /> hydrocarbons m the catalytic oxidizer outlet gas was determined by collecting a tedlar gas bag <br /> sample and on-site analysis using an organic vapor monitor calibrated with isobutylene <br /> Brown and Caldwell 53MCQRRESPI1338W32 <br /> C��suitants <br />