ARCHIVED REPORTS_QUARTERLY REPORT - THIRD QUARTER 2005

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Volume-Mass Calculations • River City Petroleum and Connell Motor Lift Truck Page 2 of 2 28 July to 18 August 2005 1) The average analytical TPH-g concentration for this time interval was determined to be 1,030 µg/1(07-28+ 08-18/2 = 660+1,400/2= 1,030 µg/1). The average flow rate was calculated at 280 cubic feet per minute (nomograph). The operational period was 506 hours; running time was reduced due to well installation (Table 1). C = 1,030 µg/1=0.00103 kg/m' Q =280 ft'/min t =506 hours Converting Q to m3/hour yields: Q=(280 ft'/min)•(60 min/hour)• (0.0283168m'/ft3)=473.2 m'/hour M=C• Q•t=(0.00103 kg/m3)• (473.2 m/hour)• (506 hours)=246.6 kg of gasoline Converting kg of gasoline to pounds of gasoline yields: 246.6 kg of gas•2.2046 lbs./kg=543.7 lbs of gasoline Converting pounds of gasoline to gallons of gasoline yields: 543.7 lbs.of gas• 0.16 gal of gas/lbs.of gas 86.99 gallons of gasoline 18 August to 12 September 2005 1) The average analytical TPH-g concentration for this time interval was determined to be 1,065 µg/1(08-18+ 09-12/2= 1,400+730/2= 1,065 µg/1). The average flow rate was calculated at 280 cubic feet per minute (nomograph);the operational period was reduced due well installation, equal to 535 hours of running time (Table 1). C = 1,065 µg/1=0.001065 kg/m3 Q =280 ft/min t =535 hours Converting Q to m3/hour yields: Q=(280 ft/min)•(60 min/hour)• (0.0283168m3/ft')=473.2 m'/hour M=C•Q•t=(0.001065 kg/m3)•(473.2 m'/hour)• (535 hours)= 269.6 kg of gasoline Converting kg of gasoline to pounds of gasoline yields: 269.6 kg of gas•2.2046 lbs/kg=594.4 lbs of gasoline Converting pounds of gasoline to gallons of gasoline yields: 594.4 lbs.of gas •0.16 gal of gas/lbs of gas 95.1 gallons of gasoline • Advanced GeoEnvironmental,Inc.