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Regulatory Development and Retrospective Review Tracker

Rulemakings by Phase: Proposal

The rulemakings listed below are in the Proposal Phase.  Some rules in this phase are open for public comment.  See a list of rules currently open for public comment.  Also, EPA sometimes chooses to terminate a rulemaking that was in the Proposal Phase  in which case the rulemaking will no longer appear on this page.  Go to the Withdrawn page to learn more about these rulemakings.

TitleRINCan be sorted ascending
Additions to List of Section 241.4 Categorical Non-Waste Fuels2050-AG74
Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units2060-AR33
Effluent Guidelines and Standards for Oil and Gas Extraction Point Source Category2040-AF35
Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category2040-AF14
Fine Particulate Matter National Ambient Air Quality Standards: State Implementation Plan Requirements2060-AQ48
Formaldehyde Emissions Standards for Composite Wood Products2070-AJ92
Formaldehyde; Third-Party Certification Framework for the Formaldehyde Standards for Composite Wood Products2070-AJ44
Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles - Phase 22060-AS16
Nanoscale Materials; Chemical Substances When Manufactured, Imported, or Processed as Nanoscale Materials; Reporting and Recordkeeping Requirements2070-AJ54
National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines- Petition to Delist2060-AK73
National Emission Standards for Hazardous Air Pollutants (NESHAP): Mercury Cell Chlor-Alkali Plants - Amendments2060-AN99
National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart W: Standards for Radon Emissions From Operating Uranium Mill Tailings: Review2060-AP26
National Emission Standards for Hazardous Air Pollutants: Primary Aluminum Reduction Plants2060-AQ92
NESHAP for Brick and Structural Clay Products Manufacturing and NESHAP for Clay Ceramics Manufacturing2060-AP69
NPDES Electronic Reporting Rule2020-AA47
Oil and Natural Gas Sector: Emission Standards for New and Modified Sources2060-AS30
Pesticides; Agricultural Worker Protection Standard Revisions2070-AJ22
Pesticides; Certification of Pesticide Applicators2070-AJ20
Petroleum Refinery Sector Risk and Technology Review and New Source Performance Standards2060-AQ75
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-AS31
Remand of Halogenated Solvent Cleaning Final Residual Risk Rule2060-AP07
Renewable Fuel Volume Standards, 2014-20162060-AS22
Review of the National Ambient Air Quality Standards for Lead2060-AQ44
Review of the National Ambient Air Quality Standards for Ozone2060-AP38
Revision of 40 CFR Part 192--Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings and Uranium In Situ Leaching Processing Facilities2060-AP43
Revisions to the National Oil and Hazardous Substances Pollution Contingency Plan; Subpart J Product Schedule Listing Requirements2050-AE87
Source Determination for Certain Emissions Units in the Oil and Natural Gas Sector2060-AS06
Standards of Performance for Greenhouse Gas Emissions from New, Modified and Reconstructed Stationary Sources: Electric Utility Generating Units2060-AQ91
Water Quality Standards for the State of Florida's Estuaries and Coastal Waters2040-AF21
Water Quality Standards for the State of Florida's Streams and Downstream Protection of Lakes: Remanded Provisions2040-AF39

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Reg DaRRT focuses on priority rulemakings and retrospective reviews of existing regulations. EPA offers other regulatory tracking tools as well:

You may also find useful information on our Related Links page.

Withdrawn Rulemakings
Sometimes, EPA will choose to terminate a rulemaking. The Withdrawn page lists those rulemakings that have bee withdrawn in the past year.

See Rulemakings Open for Comment
Rulemakings remain in the Proposal Phase from the time the Notice of Proposed Rulemaking is published in the Federal Register until the Final Rule is published.  During a discreet portion of this time, a rule is usually open for comment.  See a list of those rules currently open for comment. From there, you can reach Regulations.gov, where you can comment electronically on the rule.


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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