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+s. E.Fs fly <br /> MASS CALCULATIONS OF <br /> EXTRACTED HYDROCARBONS(Gasoline) <br /> Elkhorn Country Club <br /> i 1050 Elkhorn Drive, Stockton, California <br /> The hydrocarbon mass removed during the operating period can be calculated using the following equation: <br /> M=C•Q•t <br /> where: M=cumulative mass recovered(kg) <br /> C—vapor concentration(kg/m3) <br /> Q=extraction flow rate(m'/hr) <br /> t=operational period(hrs) <br /> 01 September 1999 to 01 October 1999 <br /> using: C=2,560 to 2,690/2 gg11=0.002625 kg/m' <br /> Q=70 cfm(average)=41.2 m'/hr <br /> t =504 hrs(sum of known operation) <br /> 0.002625 •41.2. 504=54.5 kg of gasoline <br /> kg•2.2046 lbs/kg= 120.2 lbs of gasoline <br /> to convert lbs of gasoline to gallons of gasoline,use 0.16 gal/lbs: <br /> lbs of gal• 0.16 gal/lbs= 19.2 gallons of gasoline <br /> Tiirie Fiame, C Q t Gallgz�s Remared;;' <br /> i':-:� ���average to; (rn�a�'j (laoursj <br /> 9-01-99 to 2,560+2,69012= 41.2 504.0 19.2 <br /> =J 10-01-99 0.002625 <br /> I 10-01-99 to 2,690+1,04012= 41.2 797.6 43.2 <br /> .:.i 11-01-99 0.00373 - <br /> 1 11-01-99 to 1,040+1,00012= 41.2 375.5 11.1 <br /> 12-06-99 0.00204 <br /> 12-06-99 to 1,000+2,30012= 41.2 207.6 5.0 <br /> 01-03-2000 1 0.00165 <br /> Total of 78.5 gallons of gasoline removed. <br /> Advanced GeoEnvironmental,Inc. <br /> -_I <br /> .f <br />