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Mr James Barton Pro ect No 880-039 1 A 01070000 • April 29, 2003 Page 4 Sparger Technology and Sierra Analytical for analysis of TPHg and BTEX TPHg concentrations ranged between below the detectable limit of 12 parts per million by volume (ppmv) to 300 ppmv Benzene was reported in the influent sample collected on March 10, 2003 at a concentration of 50 0 milligrams per cubic meter (mg/m) TPHg or BTEX were not detected in any of the effluent samples Laboratory analytical reports and chain-of-custody documentation are presented in Appendix D System Performance Status The treatment system was pulsed during the first quarter 2003 In the 90 days between December 30, 2002, and March 30, 2003, the treatment system ran approximately 50 days (56 percent operational), removing approximately 106 pounds of TPHg The system's TPHg emissions were maintained below 0 09 pounds per day, below the allowable TPHg emission rate of 6 1 pounds per day TPHg destruction efficiency was maintained above 96 percent, and benzene destruction efficiency was maintained at approximately 100 percent The burn chamber temperature ranged from 758°F to 779°F, well above the minimum required burn temperature of 600°F System performance data, field data sheets, and calculations are presented in Appendix D First Quarter 2003 System Performance Summary Pounds TPHg removed since startup 3,171 h Pounds TPHg removed during this reporting period 6 TPHg daily removal rate during reporting period(pounds per day) 007 TPHg destruction efficiency(%) 96 0 to 100 TPHg emission rate to atmosphere(pounds per day) <0 09 Pounds benzene removed since startup 45 Pounds benzene removed during this reporting period <0 01 Benzene Destruction Efficiency(%) 100 Benzene emission rate to atmosphere(pounds per day) <0 0008 Average flow rate for this reporting period(scfm) 37 System uptime during this reporting period(days/%) 50 days 156% ASACUPIICOMMON1sacDP120031Pr3188018800391 A 3ac doc SHAW ENVIRONMENTAL,INC