Environmental Protection Agency

Air Plan Approval; North Dakota; Approval of Air Quality Implementation Plans; Regional Haze State Implementation Plan; Regional Haze Five Year Progress Report and Nitrogen Oxides Best Available Retrofit Technology Determination for Coal Creek Station for the First Implementation Period

EPA published final approval of North Dakota's Air Quality Implementation Plans, including the Regional Haze State Implementation Plan, five-year progress report, and nitrogen oxides Best Available Retrofit Technology determination for Coal Creek Station for the first implementation period. The action finalizes state measures to address regional haze visibility impairment.

9h ago·1 min read

Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and Five-Year Review

EPA published a voluntary remand response and five-year review of Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources concerning Large Municipal Waste Combustors. The action addresses performance standards and emission guidelines for both new and existing municipal waste combustion facilities.

9h ago·1 min read

Air Plan Approval; Missouri; Reporting Emission Data, Emission Fees, and Process Information

Feb 26, 2026·1 min read

Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone Standard

Feb 26, 2026·1 min read

Air Plan Approval; Connecticut; State Implementation Plan Revisions Required as a Result of a Definition Change Due to the Ozone Reclassification

Feb 26, 2026·1 min read

No-Migration Variance From Land Disposal Restrictions for Clean Harbors Lone Mountain, Oklahoma

Feb 26, 2026·1 min read

National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal

Feb 26, 2026·1 min read