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i <br /> Appendix G - SVE Volume-Mass Calculations <br /> • AGE-NC Project No 95-0130 <br /> Page 3 of 3 <br /> 3) 01 August 2005 -07 September 2005 <br /> The average analytical TPH-g concentration for this time interval was determined to be 2,550 µg11 <br /> (08-01-05= 3,400 gg/1 and 09-07-05 = 1,700 pg/l, avg = 2,550 99/1) The average flow rate was <br /> calculated at 4 60 inches of water or approximately 121 cubic feet per minute (nomograph), the <br /> operational period was equal to 888 hours of running time (Table 6) <br /> TPH-g (total petroleum hydrocarbons quantified as gasoline) <br /> I C = 2,550 gg/1 = 0 002550 kg/m' <br /> Q z 4 60 inches water z 121 ft/min <br /> t= 888 hours (37 days) <br /> Converting Q to m'/hourn elds <br /> Q= (121 ft/min) • (60 mm/hour) • (0 0283168m3/ff3)= 205 58 m'/hour <br /> M= C • Q • t= (0 002550 kg/m) • (205 58 m'/hour) • (888 hours) =465.5 kg of TPH-g <br /> Converting kg of TPH-g to pounds of TPH-g yields <br /> 465 5 k of TPH-g • 2 2046 lbs of TPH- <br /> g g g/kg of TPH-g= 1,02b lbs of TPH-g <br /> Converting pounds of gasoline to gallons of gasoline yields <br /> 1,026 lbs of gas • 0 16 gal of gas/lbs of gas 164.2 gallons of gasoline <br /> Advanced GeoEnvlronmentai,Inc- <br /> 1 <br />