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1 ' Mass-Volume Calculations Of Extracted Gasoline Hydrocarbons - Continued SIERRA LUMBER-375 West Hazelton Avenue, Stockton, CA ' 2 12 July 2005 to 09 August 2005 ' The average analytical TPH-g concentration for this time interval was determined to be 50,ug/l(07-12-05=<50,ug/l and 08-09-05 = <50 jig/1 ,avg = 50 pg/L) The average flow rates dunng this time was calculated at 0 68 inches of water or approximately 44 cubic feet per minute(table 6),the operational period was equal to 672 hours of running time ' C =50 µg/I=0 000050 kg/m3 Q = 0 68 inches water= 44 ft/min ' t=672 hours(28 days) Converting Q to m3/hour yields Q=(44 Omm)-(60 min/hour)-(0 0283168m3/fl)=74 76 m3/hour M=C- Q-t=(0 000050 kg/m3)-(74 76 m3/hour)- (672 hours)=2 51 kg of gasoline Converting kg of gasoline to pounds of gasoline yields 2 51 kg of gas- 2 2046 lbs of gas/kg of gas=5.54 lbs of gasoline 5 54 lbs gas/28 days=0.20 lbs/day Converting pounds of gasoline to gallons of gasoline yields 5 54 lbs of gas -0 16 gal of gas/lbs of gas = 0 89 gallons of gasoline 3. 09 August 2005 to 07 September 2005 The average analytical TPH-g concentration for this time interval was determined to be less than 50/rg/I(08-09-05=<50 ,ugll and 09-07-05 = <50,ug/l ,avg = 50 pg/L) The average flow rates during this time was calculated at 0 75 inches of water or approximately 48 cubic feet per minute(table 6),the operational period was equal to 696 hours of running time C = 50µg11=0 000050 kg/m3 Q = 0 75 inches water= 48 fl/min t=696 hours(29 days) IConverting Q to m/hour yields Q-(48 fl/min)-(60 min/hour)-(0 0283168m3/ft3)=81 55 m3/hour M=C- Q-t=(0 000050 kg/m3)-(81 55 m3/hour)- (696 hours)=2 84 kg of gasoline Converting kg of gasoline to pounds of gasoline yields 2 84 kg of gas-2 2046 lbs of gas/kg of gas=6.26 lbs of gasoline 6 26 lbs gas/29 days=0.221bs/day Converting pounds of gasoline to gallons of gasoline yields 6 26 lbs of gas - 0 16 gal of gas/lbs of gas = 100 gallons of gasoline 1