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MASS CALCULATIONS OF <br /> EXTRACTED HYDROCARBONS (Gasoline) <br /> Mel Bokides Petroleum, Inc. <br /> 501 W. Lodi Avenue, 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') <br /> Q = extraction flow rate (M3/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 /> 08-09-01 to 09-13-01 <br /> 1 using: C = 800 µg/1 +560 gg/l/2=0.00068 kg/m' <br /> Q= 150 scfm(average) =254 m'/hr <br /> t = 816 hours (sum of known operation) <br /> 0.00068 kg/m' •254 m'/hr • 816 hours = 140 kg of gasoline <br />'. 140 kg of gasoline • 2.2046 lbs/kg= 310 lbs of gasoline <br /> to convert lbs of gasoline to gallons of gasoline,use 0.16 gal/lbs: <br /> 310 lbs of gal • 0.16 gal/lbs= 50 gallons of gasoline <br /> €3 L /s° €d %3i <br /> Ame;Fram@@4 9 4 3t} Gallons € <br /> 4 - I t 8''@(E z E 4E § E E ` &�� <br /> Yl1Vu <br /> 08-09-01 800 gg/l + 560 254 816 50 <br /> to 09-13-01 gg/l/ 2= <br /> 0.00068-kg/m3 <br /> 09-13-01 to 560 gg/l + 430 248 624 27 <br />' 10-15-01 gg/l/ 2 = <br /> 0.000495 kg/m' <br /> 10-15-01 to 430 gg/l + 254 521 18.7 <br /> 11-07-01 _ 370 gg/1/2= <br /> 0.0004 kg/m' <br /> ' 11-07-01 to 370 gg/l + 240 665 18.5 <br /> • 12-10-01 290 gg/l /2= <br /> 0.00033 k m' <br /> Approximately 114 gallons of gasoline removed between August and December 2001. <br /> ' Advanced GeoEnviron mental,Inc. <br />