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Remediation System COH01 001 Apex Envirotech, Inc <br /> Field Data Sheet <br /> Date of site visit 4/14/2006 APEX employee JM <br /> Time of arrival 820 Status upon arrival Operating ' <br /> Time of de arture 940 Status upon departure Operating <br /> VAPOR EXTRACTION SYSTEM {THOXINF flow} <br /> Oil Level AWS Level Discharge Discharge Discharge Hour <br /> Check Check Pressure Temp API Flow Meter <br /> OK or Low OK or Low "w c °F " w c SCFM hours Time <br /> OK OK 1 20 160 1 00 1246 4,203 0 08 40 <br /> UTILITIES <br /> Natural Gas <br /> Train Regulated Modulated Electric <br /> Pressure Pressure Pressure Meter Flow Rate Meter <br /> (psi) " w c " w c (ft3 x 1000 CFM kWh <br /> 5 0 24 230 43,700 45 19,064 <br /> THERMAL OXIDIZER <br /> Temp Temp Dilution Dilution High Limit High Limit <br /> Controller Controller Controller Controller Controller Controller THOXEFF <br /> Set Point Set Point Set Point Flow <br /> °F °F °F °F °F °F SCFM <br /> 1,450 1,452 1,700 1 1,357 1,800 1,359 2041 <br /> VAPOR EXTRACTION WELLS <br /> . Valve Vacuum PID <br /> VEW No % Open "w c my <br /> VEW-1 20% NR NR <br /> VEW-2 0% NR NR <br /> VEW-3 100% L NR NR <br /> VEW-MAN 100% 5 791 <br /> PID Calibrated 4/14/2006 <br /> AIR SAMPLES COLLECTED DRUMS <br /> Sample Time PID Full Knockout 0 <br /> ID Date hours Sampler my Full Pure 15 <br /> THOXEFF 1 2 Empty Drums 0 <br /> THOXINF 646 <br /> VEWMAN 791 <br /> Miscellaneous field notes <br /> Pumped down knock out drum <br /> Combustion Air Flow = 75 cfm constant <br /> ThOx effluent flow = THOXINF flow + combustion air flow + natural gas flow = 148 scfm <br /> • <br />