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Day 01
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Regional Haze Regulations; Revisions to Provisions Governing Alternative to Source-Specific Best Available Retrofit Technology (BART) Determinations [HTML] or [PDF]
- Clean Air Act Approval and Promulgation of Air Quality Implementation Plan Revision for Colorado; Long-Term Strategy of State Implementation Plan for Class I Visibility Protection
- Clean Air Act Approval and Promulgation of Air Quality Implementation Plan Revision for Colorado; Long-Term Strategy of State Implementation Plan for Class I Visibility Protection
- Approval and Promulgation of Air Quality Implementation Plans; State of Utah; Salt Lake City Revised Carbon Monoxide Maintenance Plan and Approval of Related Revisions
- Approval and Promulgation of Air Quality Implementation Plans; State of Utah; Salt Lake City Revised Carbon Monoxide Maintenance Plan and Approval of Related Revisions
AIR TEXT Files - [ZIP 78kb] - Clean Air Act Approval and Promulgation of Air Quality Implementation Plan Revision for Colorado; Long-Term Strategy of State Implementation Plan for Class I Visibility Protection