§ 63.10001 - [Reserved], General Compliance Requirements, Subpart UUUUU - National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units, Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories, SubChapter C - Air Programs, Chapter I - Environmental Protection Agency, Title 40 - Protection of Environment, Code of Federal Regulations

2024-13186. Final rule. 2024-13186. National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks, and Coke Oven Batteries; Residual Risk and Technology Review, and Periodic Technology Review
2024-11422. Final rule. 2024-11422. Approval of the Clean Air Act, Section 112(l), Authority for Hazardous Air Pollutants: Asbestos Management and Control; State of New Hampshire Department of Environmental Services
2024-09883. Final rule. 2024-09883. National Emission Standards for Hazardous Air Pollutants: Primary Copper Smelting Residual Risk and Technology Review and Primary Copper Smelting Area Source Technology Review
2024-09148. Final rule. 2024-09148. National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review
2024-05906. Final action; reconsideration of final rule. 2024-05906. National Emission Standards for Hazardous Air Pollutants: Ethylene Production, Miscellaneous Organic Chemical Manufacturing, Organic Liquids Distribution (Non-Gasoline), and Petroleum Refineries Reconsideration