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REMEDIATION SYSTEM EVALUATION <br /> Vapor Extraction System Evaluation <br /> From January l to March 31, 2005, the vapor extraction system was moperational Since the system <br /> was inoperational during this time, 0 lbs of TPHg were removed during the first quarter 2005 <br /> Total TPHg removed via vapor extraction since system startup on December 19,2002 <br /> 8648 lbs of TPHg total as of fourth quarter 2004+0 pounds of TPHg first quarter 2005 = 8,648 pounds <br /> of TPHg removed since the startup of the system <br /> Total benzene removed via vapor extraction since system startup on December 19, 2002 <br /> 20 75 lbs benzene removed total as of fourth quarter 2004 +0 lb benzene first quarter 2005 = 20 75 <br /> pounds of benzene removed since the startup of the system <br /> Water Treatment System Evaluation <br /> From January 1 to March 31, 2005, the vapor extraction system knockout tank was inoperable No water <br /> samples were collected from the system during the first quarter 2005 <br /> Total TPHg removed via groundwater treatment and discharge since system startup on December 19, 2002 <br /> 9 98 pounds of TPHg removed since the startup of the system <br /> • Total BTEX removed via groundwater treatment and discharge since system startup on December 19, 2002 <br /> 164 pounds of BTEX removed since the startup of the system <br /> Air Sparge System Evaluation <br /> From January 1 to March 31,2005,the air sparge system did not operate <br /> GEOTRACKER DATA UPLOAD <br /> DTW data was submitted electronically to the State Water Resources Control Board (SWRCB) <br /> Geotracker database (confirmation number 8833178460) and the laboratory data was also submitted <br /> electronically to the SWRCB Geotracker database (confirmation number 7319323599) Additionally <br /> analytical data associated with the discharge of treated groundwater and from the thermal oxidizer was <br /> not submitted electronically to the SWRCB Geotracker database since the system did not operate during <br /> the first quarter 2005 The facility has been assigned a Geotracker global identification number <br /> T0607700148 Documentation of the data submittal is contained in Attachment 3 <br /> s\enviro1625961quartly\1 qr-2005 doe ( ATC ASSOCIATES INC <br />