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M ' <br /> ' Mr John Benedict Project 880039 IA <br /> October 25, 2001 <br /> fPage 4 <br /> IBenzene was not detected, above the laboratory reporting limit in the influent and <br /> effluent samples collected on April 2, May 21, and June 4, 2001 Laboratory analytical <br /> reports and chain-of-custody documentation are presented in Appendix D <br />' Operational Status <br /> The treatment system operational uptime was 63 percent during the second quarter 2001 <br />' Down time resulted from a power interruption due to high water levels in the treatment <br /> system moisture knockout pot Treatment system field data sheets are presented in <br /> Appendix D <br /> ' System Performance Status <br /> 1 During the second quarter 2001, the system TPH-g emissions were maintained below <br /> 0 05 pounds per day, well below the allowable 6 1 pounds per day as specified by the <br />' . permit to operate TPH-g destruction efficiencies ranged from 87 9 to 98 9 percent The <br /> benzene destruction efficiency was maintained above 80 percent The burn chamber <br /> temperature was ranged from 650°F to 850°F, well above the minimum burn <br /> temperature of 600°F as specified by the permit to operate System performance data is <br /> summarized below and in Tables D1 through D3, (Appendix D) Calculations for <br /> system removal rate, destruction efficiency, and emissions are presented in Appendix D <br /> Second Quarter 2001 System Performance Summary <br /> Pounds TPH-g removed since startup 2,383 <br /> Pounds TPH-g removed during this reporting penod 41 <br />' TPH-g daily removal rate during reporting penod(pounds per day) 077 <br /> TPH-g destruction efficiency(%) 87 to 98 9 <br />' TPH-g emission rate to atmosphere(pounds per day) <001 10005 <br /> Pounds benzene removed since startup 26 <br /> Pounds benzene removed during this reporting period 00 <br />' Benzene Destruction Efficiency(%) 80 to 100 <br /> Benzene emission rate to atmosphere(pounds per day) <0 00004 to<0 0002 <br />' Average flow rate for this reporting period(acfm) 38 <br /> System operational uptime during this reporting penod(%) 63 <br /> IT CORPORATION <br /> SACIIISACRFPIICOMMON1sacDP120011PRJ\PJ818800391A lac doc-011ft 1 <br />