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AIR POLLUTION CONTROL DIVISION <br />COLORADO DEPAgTMENT OF HEALTH <br /> <br />PRELIMINARY ANALYSIS <br />Page ~ of 7 <br />PERMIT NUMBER C- 13,004(1-4) Applicant's Name f.asrern Stone Carbon <br />Date 10-20-00 <br />Review Engineer Scott J. *tiller <br />Control Engineer <br />ilawks ':est Mine - Test Portal <br />`ta>:imum production - 200,000 tons per year <br />Cnnee~•ors• <br />Q = (0.2 lb/ton) (20,000 TPY) = 20 TPY <br />2000 16/ton <br />90% control for partially enclosed <br />'con[rolled - 2 TPY <br />• Transfer Point (1): <br />Q =(0.02 lb/ton}(200,000 TPY} = 2 TPY <br />2000 lb/ton <br />85% control for spray with surfactant <br />Qcontrelled - 0.3 TPY <br />i` __..L .~-. <br />Q = (0.06 16 /ton)(200,000) = 6 TPY <br />?000 lb/ton <br />85% control for spray with surfactant <br />Qcontrolled - 0.9 TPY' <br />Stacker Tuhe: <br />Q = (0.002 lb /t on0I200,000) _ .02 TPY (no control) <br />2000 16/ton <br />Open Stockpile: <br />• Qwind erosion - (0.04 lb/ton)(200,000 TPY) = 4 TPY (no controls) <br />2000 lb/ton <br />APC-73 (5-76) <br />