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Day 23
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Clarifications to Existing National Emissions Standards for Hazardous Air Pollutants Delegations' Provisions [HTML] or [PDF]
- Correction of Designation of Areas for Air Quality Planning Purposes; California--PM-10 Nonattainment Areas
- Clean Air Act Proposed Approval of Operating Permit Program Revisions; Michigan
- Expiration of Interim Approval of Antelope Valley's Clean Air Act Operating Permits Program in California; Announcement of a Federal Operating Permits Program
- Notice of Availability of Dispersion Modeling Analysis of PSD Class I Increment Consumption in North Dakota and Eastern Montana
AIR TEXT Files - [ZIP 47kb] - Correction of Designation of Areas for Air Quality Planning Purposes; California--PM-10 Nonattainment Areas