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1 <br />' Mass-Volume Calculations Of Extracted Gasoline Hydrocarbons - Continued <br /> SIERRA LUMBER - 375 West Hazelton Avenue, Stockton, CA <br />' 2. 22 July 2004 to 31 August 2004 <br />' The average analytical TPH-g concentration for this time interval was determined to be 385,ug/l(07-22-04=220,ug/l <br /> and 08-31-04 =550,ug/1 , avg = 385,ug/L) The average flow rates during this time was calculated at 0 21 inches of <br /> water or approximately 21 cubic feet per minute(table 6),the operational period was equal to 912 hours of rummng time <br />' C = 385 µg/l=0 000385 kg/m' <br /> Q = 0 21 inches water � 21 ft/mut <br /> t=912 hours(38 days) <br />' Converting Q to m3/hour yields <br />' Q=(21 ft'/nun) -(60 nun/hour) -(0 0283168m3/ft)=35 7 m'/hour <br /> M=C- Q - t=(0 000385 kg/m') -(35 7 m'/hour) - (912 hours) = 12 5 kg of gasoline <br /> I Converting kg of gasoline to pounds of gasoline yields <br /> 12 5 kg of gas - 2 2046 lbs of gasAg of gas=27 6 lbs of gasoline <br /> 27 6 lbs gas/38 days—0 73 lbs/day <br /> Converting pounds of gasoline to gallons of gasoline yields <br /> 27 6 lbs of gas - 0 16 gal of gas/lbs of gas = 4.35 gallons of gasoline <br />' 3. 31 August 2004 to 23 September 2004 <br /> The average analytical TPH-g concentration for this time interval was determined to be less than 415 ug/1(08-31-04— <br /> 550,ug/l and 09-23-04 = 280 ug/l , avg = 415 ug/L) The average flow rates during tlns time was calculated at 0 15 <br /> I inches of water or approximately 15 cubic feet per minute(table 6), the operational period was equal to 168 hours of <br /> running time <br /> C = 415 �tgll=0 000415 kg/m' <br /> Q = 0 15 inches water = 15 ft'/rntn <br /> t= 168 hours(7 days) <br /> Converting Q to m'/hour yields <br /> Q=(15 ft'/min) -(60 nun/hour) -(0 0283168m3/ft) =25 5 i0hour <br /> M=C- Q-t=(0 000415 kg/m')-(25 5 m'/hour) - (168 hours)= 1 78 kg of gasoline <br /> I Converting kg of gasoline to pounds of gasoline yields <br /> 178 kg of gas -2 2046 lbs of gas/kg of gas=3 92 lbs of gasoline <br /> 3 92 lbs gas/7 days=0 56 lbs/day <br /> Converting pounds of gasoline to gallons of gasoline yields <br /> 3 92 lbs of gas - 0 16 gal of gas/lbs of gas = 0 09 gallons of gasoline <br />