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Regulatory Development and Retrospective Review Tracker

Rulemakings by Topic: Air

Each topic in Reg DaRRT relates to one or more laws.  The "Air" topic relates to the Clean Air Act, meaning the rulemakings listed on this page are being developed under statutory authority granted to EPA by the Clean Air Act. The list includes all rulemakings in Reg DaRRT, except those that have been withdrawn or those that have been archived.

TitleRINCan be sorted ascendingPhaseSorted ascending
RFS Renewable Identification Number (RIN) Quality Assurance Program2060-AR72Final Rule Published
National Emission Standards for Hazardous Air Pollutants Residual Risk and Technology Review for Flexible Polyurethane Foam Production2060-AR58Final Rule Published
NESHAP from Coal- & Oil-fired Steam EGU Units & Standards of Performance for Fossil-Fuel-Fired Electric Utility, Ind-Com-Institutional, & Small Ind-Com-Institutional Steam Generating Units2060-AS07Final Rule Published
Standards of Performance for New Residential Wood Heaters and New Residential Hydronic Heaters and Forced-Air Furnaces2060-AP93Final Rule Published
National Emission Standards for Hazardous Air Pollutants: Off-Site Waste and Recovery Operations2060-AR47Final Rule Published
Implementation of the 2008 National Ambient Air Quality Standards for Ozone: State Implementation Plan Requirements2060-AR34Final Rule Published
Lead Emissions from Piston-Engine Aircraft Using Leaded Aviation Gasoline2060-AP79Pre-Proposal
Amendments to Part 63 Subpart YYYYY Electric Arc Furnace Area Source Standard2060-AR27Pre-Proposal
National Emission Standards for Hazardous Air Pollutants: Startup, Shutdown, and Malfunction Amendments to Part 63 Standards2060-AP96Pre-Proposal
Revision to Definition of Volatile Organic Compounds - Exclusion of Methyl Iodide (And Possibly Methyl Bromide)2060-AP22Pre-Proposal
Proposed Greenhouse Gas Endangerment and Cause or Contribute Findings Under CAA Section 231for Aircraft, and ANPRM on the International Process for Reducing Aircraft GHGs and Future Standards2060-AS31Pre-Proposal
Oil and Natural Gas Sector: Reconsideration of Remaining Provisions of New Source Performance Standards2060-AS30Pre-Proposal
Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Reconsideration of Inclusion of Fugitive Emissions; Reconsideration2060-AQ47Pre-Proposal
Risk and Technology Review for National Emission Standards for Hazardous Air Pollutants from the Pulp and Paper Combustion Sources2060-AS46Pre-Proposal
Review of the National Ambient Air Quality Standards for Particulate Matter2060-AS50Pre-Proposal
Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles - Phase 22060-AS16Pre-Proposal
Federal Plan for Regulating Greenhouse Gas Emissions from Electric Generating Units2060-AS47Pre-Proposal
Major Source Determination for Oil and Gas Extraction Facilities2060-AS06Pre-Proposal
Reconsideration of the Polyvinyl Chloride and Copolymers National Emission Standards for Hazardous Air Pollutants2060-AR73Pre-Proposal
Renewable Fuel Volume Standards, 2014-20162060-AS22Pre-Proposal
Modernization of the Accidental Release Prevention Regulations under Clean Air Act2050-AG82Pre-Proposal
Identification of Additional Qualifying Renewable Fuel Pathways III and Modification to the Renewable Fuels Program2060-AR50Pre-Proposal
Reconsideration of Significant Impact Levels and Consideration of Applicability Elements for Precursors of Particulate Matter Less Than 2.5 Micrometers (PM2.5) in New Source Review Regulations2060-AR28Pre-Proposal
Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Other Solid Waste Incineration Units2060-AQ72Pre-Proposal
Review of the NO2 Primary National Ambient Air Quality Standards (NAAQS)2060-AR57Pre-Proposal
Interstate Transport Rule for the 2008 Ozone NAAQS2060-AS05Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines- Petition to Delist2060-AK73Proposal
Remand of Halogenated Solvent Cleaning Final Residual Risk Rule2060-AP07Proposal
Phosphoric Acid Manufacturing and Phosphate Fertilizer Production RTR and Standards of Performance for Phosphate Processing2060-AQ20Proposal
National Emission Standards for Hazardous Air Pollutants: Ferroalloys Production2060-AQ11Proposal
NESHAP for Brick and Structural Clay Products Manufacturing and NESHAP for Clay Ceramics Manufacturing2060-AP69Proposal
Review of the National Ambient Air Quality Standards for Lead2060-AQ44Proposal
Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements2060-AQ48Proposal
National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart W: Standards for Radon Emissions From Operating Uranium Mill Tailings: Review2060-AP26Proposal
National Emission Standards for Hazardous Air Pollutants for Mineral Wool Production and Wool Fiberglass Manufacturing2060-AQ90Proposal
Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units2060-AR33Proposal
National Emission Standards for Hazardous Air Pollutants: Primary Aluminum Reduction Plants2060-AQ92Proposal
Review of the National Ambient Air Quality Standards for Ozone2060-AP38Proposal
Data Requirements Rule for the 1-Hour Sulfur Dioxide Primary National Ambient Air Quality Standard (NAAQS)2060-AR19Proposal
National Emission Standards for Hazardous Air Pollutants (NESHAP): Mercury Cell Chlor-Alkali Plants - Amendments2060-AN99Proposal
Petroleum Refinery Sector Risk and Technology Review and New Source Performance Standards2060-AQ75Proposal
Residual Risk and Technology Review Amendments to the Secondary Aluminum Production National Emission Standards for Hazardous Air Pollutants (NESHAP)2060-AQ40Proposal
Standards of Performance for Greenhouse Gas Emissions from New, Modified and Reconstructed Stationary Sources: Electric Utility Generating Units2060-AQ91Proposal

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Disclaimer

This site provides summaries of priority rulemakings and priority retrospective reviews of existing regulations. We update most of the site at the beginning of each month, though some data is updated more frequently if it is time sensitive. The information on this site is not intended to and does not commit EPA to specific conclusions or actions. For example, after further analysis, EPA may decide the effects of a rule would be different or it may decide to terminate a rulemaking.


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