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' MASS A <br /> • C LCULATIONS OF EXTRACTED HYDROCARBONS (Gasoline) <br /> Ripon Farm Services <br /> ' 22871 South Highway 99, Ripon., California <br /> ' The hydrocarbon mass removed during the operating period can be calculated using the equation: <br /> M= C•Q•t <br /> where:-M =cumulative mass recovered (kg) <br /> C = vapor concentration(kg/m') <br /> ' Q = extraction flow rate (m3/br) <br /> A= operational period (hrs) <br /> ' The calculation for the first time period is provided as an example for the determination of volume <br /> and mass of hydrocarbons removed over the reporting period. <br /> 1 09-10 and 12-22 .2003 <br />' using: C= (64+54 -36+34µg11) _ 4= 0.000047 kg/m3 <br /> Q = 140 scfm (average) = 236.6 m3/hr <br /> t = 2,424 hours (sum of known operation) <br />' 0.000047 k9/m3 • 236.6 m3/hr • 2,424 hours= 26.95 kg gasoline <br /> 26.95 kg gasoline • 2.2046 lbs/kg= 59.425 lbs gasoline <br /> to convert lbs gasoline to gallons gasoline, use 0.16 gal/lbs: <br />' 59.425 lbs of gal -0.16 gal/lbs = 9.5 gallons of gasoline <br /> A total of 2,122.45 kg, approximately 4,229.12 5.lbs or a volume of 748.5 gallons hydrocarbons as <br /> gasoline was removed between December 2000 and December 2003. <br /> 1 - <br />' Advanced GeoEnviranmental,'Inc. <br />