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 The list includes all rulemakings in Reg DaRRT, except those that have been withdrawn or those that have been archived.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
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
Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources2060-AS30Final Rule Published
Finding that Greenhouse Gas Emissions from Aircraft Cause or Contribute to Air Pollution that May Reasonably be Anticipated to Endanger Public Health and Welfare Under CAA Section 2312060-AS31Final Rule Published
Review of the National Ambient Air Quality Standards for Lead2060-AQ44Final Rule Published
Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS2060-AS05Final Rule Published
Source Determination for Certain Emissions Units in the Oil and Natural Gas Sector2060-AS06Final Rule Published
Control of Air Pollution From Motor Vehicles: Tier 3 Motor Vehicle Emission and Fuel Standards2060-AQ86Final Rule Published
Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles - Phase 22060-AS16Final Rule Published
Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements2060-AQ48Final Rule Published
NSPS and EG: Commercial and Industrial Solid Waste Incineration Units: Reconsideration and Proposed Amendments; Non-Hazardous Secondary Materials that are Solid Waste: Proposed Rule2060-AR15Final Rule Published
Portland Cement Manufacturing National Emission Standard for Hazardous Air Pollutants (NESHAP) and New Source Performance Standard (NSPS) - Proposed Amendments as a Result of Reconsideration2060-AQ93Final Rule Published
National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters; Reconsideration2060-AR13Final Rule Published
Amendments to Part 63 Subpart YYYYY Electric Arc Furnace Area Source Standard2060-AR27Pre-Proposal
Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Other Solid Waste Incineration Units2060-AQ72Pre-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
Portland Cement Risk and Technology Review2060-AS92Pre-Proposal
Reconsideration of the Polyvinyl Chloride and Copolymers National Emission Standards for Hazardous Air Pollutants2060-AR73Pre-Proposal
National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing Risk and Technology Review2060-AT05Pre-Proposal
National Emission Standard for Hazardous Air Pollutants (NESHAP) Risk and Technology Review: Reinforced Plastics Composites and Boat Manufacturing2060-AT12Pre-Proposal
Endangerment Finding for Lead Emissions from Piston-Engine Aircraft Using Leaded Aviation Gasoline2060-AT10Pre-Proposal
Lime Manufacturing Risk and Technology Review2060-AT08Pre-Proposal
Rubber Tire Manufacturing Risk and Technology Review2060-AT07Pre-Proposal
Amendments to Implementing Regulations for Acting on State Plans2060-AT23Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Integrated Iron and Steel Manufacturing Facilities2060-AT03Pre-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
Review of the National Ambient Air Quality Standards for Particulate Matter2060-AS50Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks2060-AS81Pre-Proposal
Risk and Technology Review for the National Emission Standards for Hazardous Air Pollutants for Pulp and Paper Combustion Sources2060-AS46Pre-Proposal
Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NSR): Reconsideration of Inclusion of Fugitive Emissions; Reconsideration2060-AQ47Pre-Proposal
National Emission Standards for Hazardous Air Pollutants: Publicly Owned Treatment Works2060-AS85Pre-Proposal
Renewable Fuel Volume Standards for 2018 and Biomass Based Diesel Volume (BBD) for 20192060-AT04Pre-Proposal
Ozone and Fine Particulate Matter (PM2.5) Significant Impact Levels (SILs) for Prevention of Significant Deterioration (PSD) Program2060-AR28Pre-Proposal
Lead Emissions from Piston-Engine Aircraft Using Leaded Aviation Gasoline2060-AP79Pre-Proposal
Review of the NO2 Primary National Ambient Air Quality Standards (NAAQS)2060-AR57Pre-Proposal
National Emission Standards for Hazardous Air Pollutants for Iron and Steel Foundries2060-AT30Pre-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
National Emission Standards for Hazardous Air Pollutantsá(NESHAP) Subpart W: Standards for Radon Emissions From Operating Uranium Mill Tailings: Review2060-AP26Proposal
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
Model Trading Rules for Greenhouse Gas Emissions from Electric Utility Generating Units Constructed on or Before January 8, 20142060-AS47Proposal
Renewables Enhancement and Growth Support Rule2060-AS66Proposal
Implementation of the 2015 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications and State Implementation Plan Requirements2060-AS82Proposal
Revisions to the Prevention of Significant Deterioration and Title V Greenhouse Gas (GHG) Permitting Regulations and Establishment of a GHG SER for GHG Emissions Under the PSD Program2060-AS62Proposal
Review of the National Ambient Air Quality Standards for Particulate Matter2060-AO47Proposal
Clean Energy Incentive Program Design Details2060-AS84Proposal