Regulatory Development and Retrospective Review Tracker

Rulemakings by Topic: Air

Each topic in Reg DaRRT relates to one or more laws. áThe "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 The list includes all rulemakings in Reg DaRRT, except those that have been withdrawn or those that have been archived.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
National Emission Standards for Hazardous Air Pollutants for Mineral Wool Production and Wool Fiberglass Manufacturing2060-AQ90Final Rule Published
Phosphoric Acid Manufacturing and Phosphate Fertilizer Production RTR and Standards of Performance for Phosphate Processing2060-AQ20Final Rule Published
Data Requirements Rule for the 1-Hour Sulfur Dioxide Primary National Ambient Air Quality Standard (NAAQS)2060-AR19Final Rule Published
National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production2060-AQ40Final Rule Published
National Emission Standards for Hazardous Air Pollutants: Primary Aluminum Reduction Plants2060-AQ92Final Rule Published
Standards of Performance for Greenhouse Gas Emissions from New, Modified and Reconstructed Stationary Sources: Electric Utility Generating Units2060-AQ91Final Rule Published
Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units2060-AR33Final Rule Published
Review of the National Ambient Air Quality Standards for Ozone2060-AP38Final Rule Published
NESHAP for Brick and Structural Clay Products Manufacturing and NESHAP for Clay Ceramics Manufacturing2060-AP69Final Rule Published
Petroleum Refinery Sector Risk and Technology Review and New Source Performance Standards2060-AQ75Final Rule Published
Renewable Fuel Volume Standards, 2014-20162060-AS22Final Rule Published
Supplemental Finding that it is Appropriate and Necessary to Regulate Hazardous Air Pollutants from Coal- and Oil-Fired Electric Utility Steam Generating Units2060-AS76Final Rule Published
Source Determination for Certain Emissions Units in the Oil and Natural Gas Sector2060-AS06Final Rule Published
Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources2060-AS30Final 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
Reconsideration of the Polyvinyl Chloride and Copolymers National Emission Standards for Hazardous Air Pollutants2060-AR73Pre-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
Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Reconsideration of Inclusion of Fugitive Emissions; Reconsideration2060-AQ47Pre-Proposal
Revision to Definition of Volatile Organic Compounds - Exclusion of Methyl Iodide (And Possibly Methyl Bromide)2060-AP22Pre-Proposal
National Emission Standards for Hazardous Air Pollutants: Startup, Shutdown, and Malfunction Amendments to Part 63 Standards2060-AP96Pre-Proposal
Renewables Enhancement and Growth Support Rule2060-AS66Pre-Proposal
Ozone and Fine Particulate Matter (PM2.5) Significant Impact Levels (SILs) for Prevention of Significant Deterioration (PSD) Program2060-AR28Pre-Proposal
Implementation of the 2015 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications and State Implementation Plan Requirements2060-AS82Pre-Proposal
Review of the National Ambient Air Quality Standards for Particulate Matter2060-AS50Pre-Proposal
National Emission Standards for Hazardous Air Pollutants: Publicly Owned Treatment Works Risk and Technology Review2060-AS85Pre-Proposal
Revisions to the Prevention of Significant Deterioration and Title V Greenhouse Gas (GHG) Permitting Regulations and Establishment of a GHG Significant Emissions Rate2060-AS62Pre-Proposal
Portland Cement Risk and Technology Review2060-AS92Pre-Proposal
Risk and Technology Review for National Emission Standards for Hazardous Air Pollutants from the Pulp and Paper Combustion Sources2060-AS46Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks2060-AS81Pre-Proposal
Engine Test Cells NESHAP RTR2060-AT01Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Source Categories: Generic Maximum Achievable Control Technology Standards - Ethylene Production (Subparts XX and YY)2060-AT02Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Integrated Iron and Steel Manufacturing Facilities2060-AT03Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines- Petition to Delist2060-AK73Proposal
National Emission Standards for Hazardous Air Pollutants (NESHAP): Mercury Cell Chlor-Alkali Plants - Amendments2060-AN99Proposal
Remand of Halogenated Solvent Cleaning Final Residual Risk Rule2060-AP07Proposal
Review of the National Ambient Air Quality Standards for Lead2060-AQ44Proposal
National Emission Standards for Hazardous Air Pollutantsá(NESHAP) Subpart W: Standards for Radon Emissions From Operating Uranium Mill Tailings: Review2060-AP26Proposal
Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements2060-AQ48Proposal
Interstate Transport Rule for the 2008 Ozone NAAQS2060-AS05Proposal
Model Trading Rules for Greenhouse Gas Emissions from Electric Utility Generating Units Constructed on or Before January 8, 20142060-AS47Proposal
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-AS31Proposal
Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles - Phase 22060-AS16Proposal
Modernization of the Accidental Release Prevention Regulations under Clean Air Act2050-AG82Proposal
Proposed Renewable Fuel Volume Standards for 2017 and Biomass Based Diesel Volume (BBD) for 20182060-AS72Proposal
Proposed Renewable Fuel Volume Standards for 2017 and Biomass Based Diesel Volume (BBD) for 20182060-AS72Proposal
Clean Energy Incentive Program Design Details2060-AS84Proposal