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AIR POLLUTION CONTROL DIVISION <br />COLORADO DEPARTMENT OF HEALTH <br />PRELIMINARY ANALYSIS <br />Page 6 of 7 <br />PERMIT NUMBER C- 13,004(1-4) Applicant's Name~lestern Slooe Carbon <br />Date <br />10-20-60 <br />Review Engineer Scott J. Puller Control Engineer <br />41ind Erosion: EF = 0.04 Ib/ton <br />Q = (0.04 lb/ton)(1 x 106) = 20 TPY <br />2000 lb/ton <br />85% control for chemical stabilizers <br />ncontrolled - 3 TPY <br />Truck Dump: (1.5 x 106 TPY thruput) <br />EF = 0.007 Ib/ton <br />• Q = (0.007)(1.5 x 106) = 5.3 TPY <br />2000 lb/ton <br />50,; control for spray <br />Qcontrolled 2.6 TPY <br />Load into Silos and from Silos to Rail Cars: <br />EF = 0.004 Ib/ton (total) <br />Q = (0.004 lb/ton)(1.5 x 106) = 3 TPY (no controls) <br />2000 lb/ton <br />Total Emissions: <br />uncontrolled = 513.8 TPY <br />controlled = 90.5 TPY <br />• <br />APC-73 (5-76) <br />