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► • MASS CALCULATIONS OF EXTRACTED HYDROCARBONS (Gasoline) <br /> LODI THEATER <br /> 107 North School Street, Lodi, California <br /> • mass removed during the operating period can be calculated using the following equation <br />' The hydrocarbon g <br /> M = C•Q•t where <br />' M = cun-itilative mass recovered(kg) <br /> C=vapor concentration(kg/m') <br /> Q= extraction flow rate (rr?/hr) <br />' t= operational period(hrs) <br />' 06-11-02 to 07-17-02 <br /> using C = 3,220+1,7001 2 [ig/l= 0 00246 kg/m' (TPH-g and BTEX) <br /> Q= 54 5 cfnn(average) =92 1 ma/hr <br />' t = 576 (stun of known operation) <br /> 0 00246 • 92 1 • 576 = 130 kg of gasoline <br /> 130 kg • 2 2046 lbs/kg= 287 7 lbs of gasoline <br />' to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 287 7 lbs of gal • 0 16 gal/lbs = 46 gallons of gasoline <br />' 07-17-02 to 08-19-02 <br />' using C = 1,700+2,200/2 µg/1= 0 00195 kg/rr3 (TPH-g and BTEX) <br /> Q = 53 cfin(average) = 89 5 m'/hr <br /> t = 744 (sum of known operation) <br /> ' 0 00195 • 89 5 • 744 = 129 8 kg of gasoline <br /> 129 8 kg • 2 2046 lbs/kg= 286 2 lbs of gasoline <br /> ' to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> 286 2 lbs of gal • 0 16 gal/lbs =45 8 gallons of gasoline <br /> ' 08-19-02 to 09-26-02 <br /> using C= 2,200+2,600 /2 }tg/l= 0 0024 kg/m3 (TPH-g and BTEX) <br /> Q= 51 5 cf n(average) = 87 iW/hr <br /> t = 864 (stun of known operation) <br /> 0 0024 • 87 • 864 = 180 kg of gasoline <br /> ' 180 kg • 2 2046 lbs/kg= 397 7 lbs of gasoline <br /> to convert lbs of gasoline to gallons of gasoline, use 0 16 gal/lbs <br /> ' 397 7 lbs of gal • 0 16 gal/lbs = 63 6 gallons of gasoline <br /> A total of 439 8 kilogiains, 971 6 lbs or approximately 155 gallons gasoline (TPH-g)were removed <br /> ' between 11 June and 26 September 2002 <br /> • <br /> ' Advanced GeoEnv►ronmentat,Inc <br />