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MASS CALCULATIONS OF EXTRACTED HYDROCARBONS (Gasoline) <br /> LODI THEATER- 107 North School Street, Lodi, California <br /> The hydrocarbon mass removed during the operating period can be calculated using the following equation <br /> • M = C•Q•t <br /> I where M = ciunulative mass recovered(kg) <br /> C =vapor concentration(kg/m3) <br /> Q = extraction flow rate (m3/hr) <br /> t= operational period(hrs) <br /> 11-27-00 to 12-23-00 <br /> using C =29,000 + 21,000/2 gg/l = 0 025 kg/m' (TPH-g and BTEX) <br /> Q = 65 ctm(average) = 110 m3/hr <br /> I t = 200 (sum of known operation) <br /> 0 025 • 110 • 200= 550 kg of gasoline <br /> 550 kg • 2 2046 lbs/kg= 1,212 5 lbs of gasoline <br /> to convert lbs of gasoline togallons of gasoline, use 0 16 gal/lbs <br /> 1,212 5 lbs of gal • 0 16 gal/lbs = 194 gallons of gasoline <br />' 12-21-00 to 01-23-01 <br />' using C = 21,000 + 15,00012 ug/1= 0 018 kgW (TPH-g and BTEX) <br /> Q= 65 cf n(average) = 110 m3/hr <br /> t = 532 (stun of known operation) <br />' 0 018 • 110 • 532 = 1053 kg of gasoline <br /> 1053 kg • 2 2046 lbs/kg= 2,322 lbs of gasoline <br />' to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 2,322 lbs of gal • 0 16 gal/lbs= 372 gallons of gasoline <br />' 01-23-01 to 02-27-01 <br /> using C = 15,000+ 15,00012 still = 0 015 kg/m' (TPH-g and BTEX) <br /> Q= 55 cfin(average) = 93 m3/hr <br /> t =469 (sum of known operation) <br /> 0 015 • 93 • 469 = 654 kg of gasoline <br /> 654 kg • 2 2046 lbs/kg= 1,442 lbs of gasoline <br /> to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 1,442 lbs of gal • 0 16 gal/lbs = 230 gallons of gasoline <br />' 01 March to 19 March 2001 <br />' using C = 16,000 + 6,200 Ag/l= 0 011 kgW (TPH-g and BTEX) <br /> Q =45 cfrn(average) = 75 m3/hr <br /> t = 432 hours (estimated from operation) <br />' 0 011 • 75 • 432 = 356 kg of gasoline <br /> . 356 kg • 2 2046 lbs/kg= 785 lbs of gasohne/btex <br />' to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 785 lbs of gal • 0 16 gal/lbs = 125 6 gallons of gasoline <br />