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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  Go to the Withdrawn page to learn more about these rulemakings.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: EGUs in Indian Country and U.S. Territories2060-AR33
Carbon Pollution Standards for Modified and Reconstructed Stationary Sources: Electric Utility Generating Units2060-AR88
Data Requirements Rule for the 1-Hour Sulfur Dioxide Primary National Ambient Air Quality Standard (NAAQS)2060-AR19
Definition of "Waters of the United States" Under the Clean Water Act2040-AF30
Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category2040-AF14
Formaldehyde Emissions Standards for Composite Wood Products2070-AJ92
Formaldehyde; Third-Party Certification Framework for the Formaldehyde Standards for Composite Wood Products2070-AJ44
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: Ferroalloys Production2060-AQ11
NESHAP for Brick and Structural Clay Products Manufacturing and NESHAP for Clay Ceramics Manufacturing2060-AP69
NESHAP Risk and Technology Review for the Mineral Wool and Wool Fiberglass Industries;NESHAP for Wool Fiberglass Area Sources2060-AQ90
NPDES Electronic Reporting Rule2020-AA47
Pesticides; Agricultural Worker Protection Standard Revisions2070-AJ22
Petroleum Refinery Sector Risk and Technology Review and New Source Performance Standards2060-AQ75
Phosphoric Acid Manufacturing and Phosphate Fertilizer Production RTR and Standards of Performance for Phosphate Processing2060-AQ20
Portland Cement Manufacturing National Emission Standard for Hazardous Air Pollutants (NESHAP) and New Source Performance Standard (NSPS) - Proposed Amendments as a Result of Reconsideration2060-AQ93
Reconsideration of Certain New Source Issues: Mercury and Air Toxics Standard (MATS)2060-AR62
Remand of Halogenated Solvent Cleaning Final Residual Risk Rule2060-AP07
Renewable Fuel 2014 Volume Standards2060-AR76
Residual Risk and Technology Review Amendments to the Secondary Aluminum Production National Emission Standards for Hazardous Air Pollutants (NESHAP)2060-AQ40
Review of the National Ambient Air Quality Standards for Lead2060-AQ44
Review of the National Ambient Air Quality Standards for Ozone2060-AP38
Revising Underground Storage Tank Regulations - Revisions to Existing Requirements and New Requirements for Secondary Containment and Operator Training2050-AG46
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
Standards for the Management of Coal Combustion Residuals Generated by Commercial Electric Power Producers2050-AE81
Standards of Performance for Greenhouse Gas Emissions from New 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
Water Quality Standards Regulatory Revisions2040-AF16

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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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