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1 MASS CALCULATIONS OF EXTRACTED HYDROCARBONS (Gasoline) <br /> Ripon Farm Services <br /> 22871 South Highway 99, Ripon, California <br /> 1 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 <br /> (kg) <br /> C =vapor concentration (kg/m3) <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 volume <br /> and mass of hydrocarbons removed over the reporting period <br />' 05-07 to 09-10-2003 <br />' using C = (240+82-+-61+53+64 gg/1)— 5 =0 0001 kg/m' <br /> Q= 140 scf n (average) =236 6 m3/hr <br /> t =4128 hours (sum of known operation) <br />' 0 0001 kg/m' • 236 6 m'/hr•4,128 hours =97 7 kg gasoline <br /> 97 7 kg gasoline • 2 2046 lbs/kg = 215 32 lbs gasoline <br /> to convert lbs gasoline to gallons gasoline, use 0 16 gal/lbs <br />' 215 32 lbs of gal • 0 16 gal/lbs =34 45 gallons of gasoline <br />' A total of 2095 5 kg,approximately 4,169 7 lbs or a volume of 739 gallons hydrocarbons as gasoline <br /> was removed between December 2000 and September 2003 <br /> 1 <br /> i <br /> i <br /> 1 <br /> 1 <br /> i <br /> Advanced GeoEnvironmental,Inc <br />