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Www w ■w w■� ■�. <br /> Table 3 Former Exxon RS 7-3942 UVB System Performance Parameters <br /> Date Cumulative Vacuum at Air Intake Flowrate Vacuum at UVB UVB System UVB System Off-Gas Mass of TPH-g <br /> Hours of UVB Well Head at UVB Well System Blower Off-Gas Flowrate TPH-g Concentrations Removed by UVB System <br /> Operation (mbar) (ft3/min) (in H20) (ft3/mm) (ug/1) (lbm) <br /> 02/06/97 00 50 155 24 175 590 000 <br /> 02/17/97 1171 45 NM 17 175 530 4521 <br /> 02/20/97 2676 45 NM 19 73 610 5220 <br /> 02/27/97 378 8 42-47 NM 19 565 NS 18 52 <br /> 03/07/97 5692 45-55 422 22-30 70 620 2454 <br /> 03/14/97 7360 45-50 85 23 103 240 2707 <br /> Total Mass of TPH-g Removed to Date 16753 <br /> NM=Nat measured,NS =Not sampled <br /> Mass of TPHg removed (1b)=Con centration(ug/L)*Off-gas Flowrate(cfm)*Hours of Operation(hr)*3 74E-06(lb/ug)(L/ft3)(mm/hr) <br /> I <br /> F 1PROJECTS151539 421PUBLICIUVBDATA WB2 <br />