Laserfiche WebLink
1v3 <br /> i <br /> S S� AF1 <br /> 1 <br /> I* A S S O C I A T E S I N C <br /> Concentration of TPHg in influent water sample <br /> = 2,036 ug TPHg x 1 ko x 3 78 1 x 48,941 gallons during third quarter 2003 <br /> 1 1 Water 1,000,000,000 ug 1 gallon <br /> = 0 38 kg TPHg x 2 204 Ib - 0 83 pounds of TPHg removed during third quarter 2003 <br /> 1 kg <br />' Total TPHg removed via groundwater treatment and discharge since system startup on December <br /> 19, 2002 <br />' = 0 79 Ib TPHg fourth quarter 2002 + 5 72 lbs of TPHg first quarter 2003 + 2 60 lbs second quarter 2003 <br /> +0 83 lbs TPHg third quarter = 9 94 pounds of TPHg removed since the startup of the system <br /> Concentration of total BTEX in influent water sample <br /> = 78 5 u4 BTEX_ x 1 kg x 3 78 1 x 48,941 gallons during third quarter 2003 <br /> 1 1 Water 1,000,000,000 ug 1 gallon <br /> = 0 14 kg BTEX x 2 204 Ib - 0 03 pounds of BTEX removed during third quarter 2003 <br /> 1 kg <br /> Total BTEX removed via groundwater treatment and discharge since system startup on December <br />' 19, 2002 <br /> = 0 20 Ib BTEX fourth quarter 2002 + 1 1 lbs of BTEX first quarter 2003 + 0 31 lbs second quarter 2003 <br /> +0 03 lbs BTEX third quarter 2003 = 164 pounds of BTEX removed since the startup of the system <br /> Air Sparge System <br />' From June 25 to July 29, 2003, the air sparge system operated continuously The air sparge system <br /> was down for a short period of time on July 29, 2003 and was restarted the same day The air sparge <br />' system operated continuously from July 29 to September 30, 2003 The average injected air <br /> flowrate from June 25 to September 30, 2003 was approximately 31 cubic feet per minute (cfrn) <br />' and the average influent pressure was approximately 3 4 pounds per square inch <br /> CONCLUSIONS <br /> Concentrations of TPHg, BTEX, and MTBE in groundwater samples collected from MW3 in <br /> September 2003 were consrstant with respect to the sample collected from this well in June 2003 <br />' Petroleum hydrocarbon concentrations detected in groundwater samples collected from MW2, <br /> MW4, MW5, MW6, MW$, MW9, MW10, and CW remain consistent with the results from <br /> previous sampling events Detectable concentrations of MTBE were present in samples collected <br /> from MW2, MW5, MW6, MW7, MW9, and CW Concentrations of MTBE were below <br /> w lw0rdpro1625961quart1yl3gr-2003 doc 7 <br />