2009-07-29_GENERAL DOCUMENTS - C1980007

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Mountain Coal Company, L.L.C. Permit No. 95GU508-5 Final Approval-Modification-1 Colorado Department of Public Health and Environment page 2 Air Pollution Control Division a. Annually whenever a significant increase in emissions occurs as follows For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN submitted or For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, whichever is less, above the level reported on the last APEN submitted, or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year. whichever is less above the level reported on the last APEN submitted to the Division b. Whenever there is a change in the owner or operator of any facility, process, or activity, or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment or d. Whenever a permit limitation must be modified. or e. No later than 30 days before the existing APEN expires All previous versions of this permit are canceled upon issuance of this permit • _ _ 71- eGt-lam! Charles N ray, P -P.L R K Han o III, P E Permit Review Engineer Construction Permits Unit Supervisor Action Description FA Modification-2 Increase haul of coal from the storage pile emergency stockpile from 300.000 tpy to 1 000 C00 tpy Increase PM j from 153 5 tpy to 160 1 tpy, increase PM10 from 42.3 tpy to 45.6 tpy. Update Regulatory references. Notes and ! General Conditions _Final Approval ! - IA Modification-1 Initial Approval modification, Name change from Mountain Coal Co -West Elk Mine to Mountain Coal Co. LLC-West Elk Mine. Initial Ap rp gnat __ 1 _ 051/0015/015 ver 2/00