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! MASS CALCULATIONS OF <br /> • EXTRACTED HYDROCARBONS (Gasoline) <br />' Ripon Farm Services <br /> 22871 South Highway 99, Ripon, California <br />' The hydrocarbon <br /> 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 (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 />! 12-05-00 and 01-04-01 <br />' using C = (21,000,ug/l + 5,400 gg/l+ 3,900 ,ug/l + 5,900 4g1l) — 4 = 0 00905 kg/m' <br /> Q = 50 scf n (average) = 84 5 M3/hr <br /> t = 324 hours (sum of known operation) <br />' 0 00905 kg/m' • 84 5 m'/hr •324 hours= 247 8 kggasoline <br /> 247 8 kg gasoline w 2 2046 lbs/kg= 546 lbs gasoline <br />' to convert lbs gasoline to gallons gasoline, use <br /> 0 16 gal./lbs <br /> 546 lbs of gal • 0 16 gal/lbs =87 4 gallons of gasoline <br /> 3 <br /> Tune=Frame =C Q t kg removedgallons <br /> (ug/l)/kg/zxi3 (m'/hr) ;(hours) removed <br /> 12-05-00 000905 845 324 248 87 <br />' to 01-04-01 kg/m' <br /> 01-04-01 00059 169 384 383 135 <br />' to 01-23-01 kg/m' <br /> 01-23-01 00032 211 839 566 200 <br /> to 02-27-01 kg/m' <br />! 02-27-01 00005 211 984 103 37 <br /> to 04-09-01 kg/m' <br />' Total of 460 gallons or 1,300 k hydrocarbons as gasoline removed between 12-05-00 and 04-09-01 <br /> . g Y <br /> Advanced GeoEnvironmental,Inc <br />