2009-06-08_REVISION - M1997032 (22)

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Denison Mines (USA) Corp. Permit No. 09M00325F Initial Approval Colorado Department of Public He; DRAFT Air Poll PERMIT source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Opacity shall be measured b EPA Method 9. (Reference: Regulation No. 1, Section II. A. 1. & 4.) 4. The particulate emission control measures listed on Notes to the Permit Holder (as approved by the Division) shall be applied to the pa iculate emission producing sources as required by Regulation No. 1, Section III. D. 1. b. 6. This permit is for mining related activiti'gs only, any process equipment (i.e. crushers, screens, etc.) which may be located at this site must have a separate permit from the Division. (Reference: Regulation No. 3, Part B, Section III.E.) 7. This source shall be limited to a maximum production rate as listed below and all other activities, operational rates and numbers of equipment as stated in the application. Monthly records of the actual production rate shall be maintairied by the applicant and made available to the Division for inspection upon request. (Reference: f egulation No. 3, Part B, Section II.A.4.) Production of uranium / vanadium ore shall not exceed 20,000 tons per year. Removal of development rock (overburden) shall not exceed 40,000 tons per year. 8. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, II. A. 4)] C Particulate Matter - Fugitive: 2.9 tons per year. • PM10 (Particulate Matter<10 µm) Fugitive: 1.4 tons per year. Compliance with the fugitive particulates matter emission limits shall be demonstrated by not exceeding the process rate limits, and y applying the control measures. 3. Emissions of air pollutants from the ? ventilation discharge shall not exceed the following limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation No. 3, Part B, Section II.A.4.) Particulate Matter: 4.10 tons per year. PM10 (Particulate Matter<10 µm): 4.10 tons per year. 10. A Revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II. C) 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 tl?,e 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 APE N submitted to the Division. • b. Whenever there is a change in the owner or operator of any facility, process, or activity; or AIRS ID: 085/0970/001, 002 Page 2 of 7