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I <br /> ka <br /> MASS CALCULATIONS OF <br /> EXTRACTED HYDROCARBONS (Gasoline) <br />' LODITHEATER <br /> 107 North School Street, Lodi, California <br />' The hydrocarbon mass removed during the operating period can be calculated using the following <br /> equation M = C•Q•t <br />' where M= cumulative mass recovered (kg) <br /> C = vapor concentration (kg/m 3) <br />' Q = extraction flow rate (m''/hr) <br /> t= operational period (hrs) <br />' The calculation for the first time period is provided as an example for the determination of mass/ <br /> volume of hydrocarbons removed over the reporting period <br />' 05/17/2000 and 06/19/2000 <br /> 1 using C = 34,000 + 12,00012 µgll = 0 023 kg/m' <br /> Q= 85 scfm (average) = 144 m3/hr <br /> t = 576 hrs (sum of known operation) <br /> 0 023 • 144 • 576 = 1907 kg of gasoline <br /> 272 kg • 2 2046 lbs/kg =4204 lbs of gasoline <br /> to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 4204 lbs of gal - 0 16 gal/lbs = 672 gallons of gasoline <br /> Time Frame, - �C r,� - f - s Gallons, <br /> a � 4g/)/kg/ 3 ' � (hours)". ' ra�oved_ <br />' 05-17 to 06-19 34,000 ,ug/l + 144 576 6726 <br /> 12,000 4g/11 2 = <br />' 0 023 kg/m3 <br /> 06-19 to 07-06 12,000 ,ug/l + 144 43 44 7 <br /> 29,000 4g1112 = <br />' 0 0205 k m3 <br /> Total of 717 4 gallons of gasoline removed between 05-17-2000 and 07-06-2000 <br /> Advanced GeoEnvironmental,Cnc <br /> 1 <br />