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MASS-VOLUME CALCULATIONS OF EXTRACTED GASOLINE HYDROCARBONS CONTINUED 27 September to 18 October 1999 2) The average TPH-g concentration for this time interval was determined to be 1,269 ug/l The average flow rate was calculated at 0 65 inches of water or approximately 44 cubic feet per minute, the operational period was equal to 504 hours of running time C = 1,269 ug/1=0 001269 kg/m' Q = 0 65 inches water = 44 ft' /min t=504 hours Converting Q to m'/hour yields Q=(44 ft'/min) -(60 nun/hour) •(0 0283168m'/ft')=74 75 m'/hour M=C • Q • t=(0 001269 kg/m') •(74 75 r0hour) • (504 hours)=47 81 kg of gasoline Converting kg of gasoline to pounds of gasoline yields I47 81 kg of gas • 2 2046 lbs of gas/kg of gas= 105 40 lbs of gasoline Converting pounds of gasolene to gallons of gasoline yields I105 40 lbs of gas • 0 16 gal of gas/lbs of gas = 16 86 gallons of gasoline 18 October to 19 November 1999 3) The average TPH-g concentration for this time interval was calculated to be 664 ug/1 The average flow rate was calculated at 0 65 inches of water or approximately 44 cubic feet per minute, the operational period was equal to 720 hours of running time C = 664 ug/l=0 000664 kg/m' Q = 0 65 inches water = 44 f0/nun t=720 hours Converting Q to nr'/hour yields Q=(44 ft'/min) •(60 nun/hour) •(0 0283168m'/ft') =74 75 m'/hour M=C • Q • t=(0 000664 kg/m') •(74 75 m'/hour) • (720 hours)=35 74 kg of gasoline Converting kg of gasoline to pounds of gasoline yields 35 74 kg of gas • 2 2046 lbs of gas/kg of gas =78 78 lbs of gasoline Converting pounds of gasoline to gallons of gasoline yields I78 78 lbs of gas • 0 16 gal of gas/lbs of gas = 12 61 gallons of gasoline