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Federal rules on environmental protection: 1,493 since January 2024

Name: Federal rules on environmental protection: 1,493 since January 2024
Creator: SpecStream
License: https://creativecommons.org/licenses/by/4.0/

896 final rules and 597 proposed rules since January 2, 2024, 96 of them marked significant. 20 are open for comment now. Most come from the Environmental Protection Agency (1401), Nuclear Regulatory Commission (19), Safety and Environmental Enforcement Bureau (12), Land Management Bureau (11).

SpecStream is the live web data engine for teams and agents. It reads every rule and proposed rule in the Federal Register each morning, and this page is that reading. Name your industry once and new rules, comment deadlines and effective dates arrive in your sheet, CRM, Slack or agent as they are published.

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Open for comment

Document	Agency	Type	Comments due
Air Plan Approval; North Carolina; Charlotte-Rock Hill Area Maintenance Plan for the 2008 8-Hour Ozone NAAQS 2026-19495	Environmental Protection Agency	Proposed rule	Oct 23
Air Plan Approval; Kentucky; Campbell-Clermont Area Maintenance Plan for the 2010 1-Hour SO2 NAAQS 2026-19668	Environmental Protection Agency	Final rule	Oct 26
Approval of Implementation Plans for Air Quality Planning Purposes; State of Nevada; Truckee Meadows Second 10-Year Maintenance Plan for the 1987 PM-10 Standard 2026-20102	Environmental Protection Agency	Proposed rule	Nov 2
Air Plan Approval; OR; Lane County Title 36 Rule 2026-20101	Environmental Protection Agency	Proposed rule	Nov 2
Overpressure Blast Effects Analysis Burden Reducing Clarification 2026-20392	Federal Aviation Administration	Proposed rule	Nov 4
Lightning Hazard Mitigation Burden-Reducing Exception 2026-20391	Federal Aviation Administration	Proposed rule	Nov 4
Streamlining Flight Safety Analysis Methodology Means of Compliance 2026-20388	Federal Aviation Administration	Proposed rule	Nov 4
Simplifying Physical Containment Requirements 2026-20386	Federal Aviation Administration	Proposed rule	Nov 4
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; West Virginia; Negative Declarations for Existing Large Municipal Waste Combustors and Other Solid Waste Incinerators 2026-20611	Environmental Protection Agency	Proposed rule	Nov 6
Air Quality Plan; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits-Rule 204 2026-20612	Environmental Protection Agency	Proposed rule	Nov 9
National Emission Standards for Hazardous Air Pollutants for Gasoline Distribution Facilities and Standards of Performance for Bulk Gasoline Terminals Reconsideration 2026-19774	Environmental Protection Agency	Proposed rule	Nov 12
Trichloroethylene (TCE); Regulation Under the Toxic Substances Control Act (TSCA); Compliance Date Extensions 2026-20964	Environmental Protection Agency	Proposed rule	Nov 13
New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State 2026-21383	Environmental Protection Agency	Proposed rule	Nov 18
Air Quality Plan; Arizona; Agricultural Best Management Practices Rules for the West Pinal County PM10 Nonattainment Area 2026-21289	Environmental Protection Agency	Proposed rule	Nov 18
Approval and Promulgation of Implementation Plans-Pinal County (Part); West Pinal, AZ PM10 Nonattainment Area; Moderate Area, Serious Area, and Section 189(d) Plan for Attainment of the 24-Hour PM10 Standard 2026-21288	Environmental Protection Agency	Proposed rule	Nov 18
Air Quality Plan; Arizona; Pinal County Air Quality Control District; West Pinal County PM10 Nonattainment Area; Fugitive Dust Rules 2026-21287	Environmental Protection Agency	Proposed rule	Nov 18
Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program 2026-21603	Environmental Protection Agency	Final rule	Nov 23
Extending the Reporting Deadline Under the Greenhouse Gas Reporting Rule for Reporting Year 2025 to March 10, 2027 2026-20982	Environmental Protection Agency	Final rule	Nov 30
Renewable Fuel Standard (RFS) Program: Reallocation of Additional 2025 Small Refinery Exemptions 2026-21155	Environmental Protection Agency	Proposed rule	Dec 4
Utah Underground Injection Control Program; Class VI Primacy 2026-21618	Environmental Protection Agency	Proposed rule	Dec 7

The 500 newest documents

Document	Agency	Type	Published
Utah Underground Injection Control Program; Class VI Primacy 2026-21618	Environmental Protection Agency	Proposed rule	Oct 22
Nevada: Codification and Incorporation by Reference of Approved Underground Storage Tank Program 2026-21603	Environmental Protection Agency	Final rule	Oct 22
New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State 2026-21383	Environmental Protection Agency	Proposed rule	Oct 19
Air Quality Plan; Arizona; Agricultural Best Management Practices Rules for the West Pinal County PM10 Nonattainment Area 2026-21289	Environmental Protection Agency	Proposed rule	Oct 19
Approval and Promulgation of Implementation Plans-Pinal County (Part); West Pinal, AZ PM10 Nonattainment Area; Moderate Area, Serious Area, and Section 189(d) Plan for Attainment of the 24-Hour PM10 Standard 2026-21288	Environmental Protection Agency	Proposed rule	Oct 19
Air Quality Plan; Arizona; Pinal County Air Quality Control District; West Pinal County PM10 Nonattainment Area; Fugitive Dust Rules 2026-21287	Environmental Protection Agency	Proposed rule	Oct 19
Approval and Promulgation of Implementation Plans; Arizona; Revisions to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs 2026-21268	Environmental Protection Agency	Final rule	Oct 19
Renewable Fuel Standard (RFS) Program: Reallocation of Additional 2025 Small Refinery Exemptions 2026-21155	Environmental Protection Agency	Proposed rule	Oct 16
Significant New Use Rules on Certain Chemical Substances (26-1) 2026-21051	Environmental Protection Agency	Final rule	Oct 15
Extending the Reporting Deadline Under the Greenhouse Gas Reporting Rule for Reporting Year 2025 to March 10, 2027 2026-20982	Environmental Protection Agency	Final rule	Oct 14
Trichloroethylene (TCE); Regulation Under the Toxic Substances Control Act (TSCA); Compliance Date Extensions 2026-20964	Environmental Protection Agency	Proposed rule	Oct 14
Clean Water Act Hazardous Substance Facility Response Plans: Compliance Date Delay and Changes To Reflect Administration Policy 2026-20849	Environmental Protection Agency	Final rule	Oct 13
Colorado Underground Injection Control (UIC) Program; Class VI Primacy 2026-20846	Environmental Protection Agency	Final rule	Oct 13
Air Plan Approval; Michigan; Clean Data Determination for the Berrien, MI and Muskegon, MI Areas for the 2015 Ozone Standards 2026-20736	Environmental Protection Agency	Final rule	Oct 9
Air Plan Approval; Kentucky; Louisville Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS 2026-20641	Environmental Protection Agency	Final rule	Oct 8
Air Plan Approval; Oklahoma; Interstate Transport Requirements for the 2010 SO2 NAAQS 2026-20640	Environmental Protection Agency	Final rule	Oct 8
Approval and Promulgation of State Implementation Plans; New Jersey; RACT Certifications for the 2008 and 2015 Ozone National Ambient Air Quality Standards 2026-20638	Environmental Protection Agency	Final rule	Oct 8
Air Plan Approval; GA; Removal of Nonattainment Area New Source Review 2026-20636	Environmental Protection Agency	Final rule	Oct 8
Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste Combustors 2026-20635	Environmental Protection Agency	Final rule	Oct 8
Air Plan Approval; Missouri; Construction Permit Exemptions 2026-20634	Environmental Protection Agency	Final rule	Oct 8
Air Quality Plan; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits-Rule 204 2026-20612	Environmental Protection Agency	Proposed rule	Oct 8
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; West Virginia; Negative Declarations for Existing Large Municipal Waste Combustors and Other Solid Waste Incinerators 2026-20611	Environmental Protection Agency	Proposed rule	Oct 7
Overpressure Blast Effects Analysis Burden Reducing Clarification 2026-20392	Federal Aviation Administration	Proposed rule	Oct 5
Lightning Hazard Mitigation Burden-Reducing Exception 2026-20391	Federal Aviation Administration	Proposed rule	Oct 5
Streamlining Flight Safety Analysis Methodology Means of Compliance 2026-20388	Federal Aviation Administration	Proposed rule	Oct 5
Simplifying Physical Containment Requirements 2026-20386	Federal Aviation Administration	Proposed rule	Oct 5
Phosphatidylcholine in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-20219	Environmental Protection Agency	Final rule	Oct 2
Approval of Implementation Plans for Air Quality Planning Purposes; State of Nevada; Truckee Meadows Second 10-Year Maintenance Plan for the 1987 PM-10 Standard 2026-20102	Environmental Protection Agency	Proposed rule	Oct 1
Air Plan Approval; OR; Lane County Title 36 Rule 2026-20101	Environmental Protection Agency	Proposed rule	Oct 1
Attainment Date Extension for the South Coast, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area 2026-20097	Environmental Protection Agency	Final rule	Oct 1
Air Plan Approval; Missouri; Control of NOX Emissions From Large Stationary Internal Combustion Engines 2026-20096	Environmental Protection Agency	Final rule	Oct 1
Rescission of Title V Emergency Affirmative Defense Rule; Corrections 2026-19889	Environmental Protection Agency	Final rule	Sep 29
Sodium Salt of Acifluorfen; Pesticide Tolerance 2026-19884	Environmental Protection Agency	Final rule	Sep 29
National Emission Standards for Hazardous Air Pollutants for Gasoline Distribution Facilities and Standards of Performance for Bulk Gasoline Terminals Reconsideration 2026-19774	Environmental Protection Agency	Proposed rule	Sep 28
Marine Protection: Modification To Expand Ocean Dredged Material Disposal Sites Offshore of Corpus Christi, Texas 2026-19745	Environmental Protection Agency	Final rule	Sep 28
Clarifying the Scope of “Applicable Requirements” Under State Operating Permit Programs and the Federal Operating Permit Program 2026-19671	Environmental Protection Agency	Final rule	Sep 25
Air Plan Approval; Kentucky; Campbell-Clermont Area Maintenance Plan for the 2010 1-Hour SO2 NAAQS 2026-19668	Environmental Protection Agency	Final rule	Sep 25
Air Plan Approval; Alabama; Transportation Conformity 2026-19566	Environmental Protection Agency	Final rule	Sep 24
Air Plan Approval; North Carolina; Charlotte-Rock Hill Area Maintenance Plan for the 2008 8-Hour Ozone NAAQS 2026-19495	Environmental Protection Agency	Proposed rule	Sep 23
Partial Repeal of the Carbon Pollution Standards for Fossil Fuel-Fired Electric Generating Units 2026-19071 · significant	Environmental Protection Agency	Final rule	Sep 17
Bacillus amyloliquefaciens strain AT-332; Exemption From the Requirement of a Pesticide Tolerance 2026-18830	Environmental Protection Agency	Final rule	Sep 15
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; District of Columbia; Negative Declaration for Existing Other Solid Waste Incinerators 2026-18759	Environmental Protection Agency	Proposed rule	Sep 14
Clean Data Determination; 1997 8-Hour Ozone Standards; California; Sacramento Metro Area 2026-18755	Environmental Protection Agency	Proposed rule	Sep 14
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Maryland; Negative Declaration for Existing Other Solid Waste Incinerators 2026-18750	Environmental Protection Agency	Proposed rule	Sep 14
Approval and Promulgation of Implementation Plans; California; San Joaquin Valley, Revisions to Motor Vehicle Emissions Budgets for Ozone 2026-18748	Environmental Protection Agency	Final rule	Sep 14
Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard 2026-18334	Environmental Protection Agency	Final rule	Sep 9
Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQS 2026-18324	Environmental Protection Agency	Final rule	Sep 9
Updated Definition of “Waters of the United States” 2026-18317 · significant	Environmental Protection Agency	Proposed rule	Sep 9
Air Plan Approval; Reconsideration and Repeal of Air Plan Partial Approval and Partial Disapproval of North Dakota's Regional Haze State Implementation Plan for the Second Implementation Period 2026-18290	Environmental Protection Agency	Proposed rule	Sep 9
Updates to the National Pollutant Discharge Elimination System Definitions and Exclusions 2026-18134	Environmental Protection Agency	Proposed rule	Sep 4
Renewable Fuel Standard (RFS) Program: Extension of 2025 Compliance Reporting Deadline 2026-18132	Environmental Protection Agency	Final rule	Sep 4
Alpha-d-Glucopyranoside, Beta-d-Fructofuranosyl, Mixed Palmitates and Stearates in Pesticide Formulations; Exemption From the Requirement of a Tolerance 2026-17579	Environmental Protection Agency	Final rule	Aug 28
Air Plan Approval; Mississippi; 2010 1-Hour SO2 NAAQS Transport Infrastructure 2026-17503	Environmental Protection Agency	Proposed rule	Aug 27
Air Plan Approval; Kentucky; Cincinnati-Hamilton Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS 2026-17502	Environmental Protection Agency	Proposed rule	Aug 27
Air Plan Approval; Kentucky; Louisville Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS 2026-17501	Environmental Protection Agency	Proposed rule	Aug 27
Air Plan Approval; Oklahoma; Regional Haze Plan for the First Implementation Revision; Revision to State Implementation Plan and Requirements 2026-17499	Environmental Protection Agency	Proposed rule	Aug 27
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Allegheny County; Negative Declaration for Existing Large Municipal Waste Combustors 2026-17497	Environmental Protection Agency	Proposed rule	Aug 27
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Puerto Rico; Negative Declaration for the Oil and Gas Industry 2026-17495	Environmental Protection Agency	Proposed rule	Aug 27
Air Plan Approval; Arkansas; Regional Haze State Implementation Plan for the Second Implementation Period 2026-17494	Environmental Protection Agency	Final rule	Aug 27
Air Plan Approval; FL; Emissions Reporting Requirements and Permitting Forms 2026-17490	Environmental Protection Agency	Final rule	Aug 27
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; City of Philadelphia; Negative Declarations for Existing Commercial and Industrial Solid Waste Incinerators, Large Municipal Waste Incinerators, Small Municipal Waste Incinerators, and Other Solid Waste Incinerators 2026-17488	Environmental Protection Agency	Proposed rule	Aug 27
Air Plan Approval; Michigan; 2015 Ozone Moderate Reasonably Available Control Technology 2026-17486	Environmental Protection Agency	Final rule	Aug 27
Florida: Final Authorization of State Hazardous Waste Management Program Revisions 2026-17454	Environmental Protection Agency	Final rule	Aug 27
Significant New Use Rules on Certain Chemical Substances (24-5.5e) 2026-17400	Environmental Protection Agency	Final rule	Aug 26
Carboxin; Pesticide Tolerances 2026-17088	Environmental Protection Agency	Final rule	Aug 21
Proposed Deletion From the National Priorities List 2026-16994	Environmental Protection Agency	Proposed rule	Aug 20
Air Plan Approval; SC; Department Name Change 2026-16990	Environmental Protection Agency	Final rule	Aug 20
Air Plan Approval; Arizona; Attainment Plan for the Hayden SO2 Nonattainment Area for the 1971 and 2010 Sulfur Dioxide National Ambient Air Quality Standards 2026-16989	Environmental Protection Agency	Final rule	Aug 20
Deletion From the National Priorities List 2026-16988	Environmental Protection Agency	Final rule	Aug 20
Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard Areas 2026-16986	Environmental Protection Agency	Final rule	Aug 20
Cypermethrin; Pesticide Tolerance(s) 2026-16973	Environmental Protection Agency	Final rule	Aug 20
Air Plan Approval; South Carolina; Minor Source Permit Program Revisions 2026-16937	Environmental Protection Agency	Proposed rule	Aug 19
Air Plan Partial Approval and Partial Conditional Approval; South Carolina; Control of Oxides of Nitrogen and Source Testing Requirements 2026-16932	Environmental Protection Agency	Proposed rule	Aug 19
Air Plan Approval; South Carolina; Minor Source Permit Program Revisions 2026-16930	Environmental Protection Agency	Proposed rule	Aug 19
Calcium Carbonate; Exemption From the Requirement of a Pesticide Tolerance 2026-16720	Environmental Protection Agency	Final rule	Aug 17
Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc. 2026-16627	Environmental Protection Agency	Final rule	Aug 14
Air Plan Approval; Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Madison and Page Counties (Shenandoah National Park) Area 2026-16575	Environmental Protection Agency	Proposed rule	Aug 14
Air Plan Approval; Missouri; Moderate Attainment Plan Elements for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area 2026-16571	Environmental Protection Agency	Proposed rule	Aug 14
Air Plan Approval; Iowa; Interstate Transport Requirements for the 2010 Sulfur Dioxide Standard 2026-16570	Environmental Protection Agency	Proposed rule	Aug 14
Air Plan Approval; Commonwealth of Virginia; Transfer of Authority and Requests for Certain Public Hearings on Air Permits 2026-16564	Environmental Protection Agency	Proposed rule	Aug 13
Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area 2026-16515	Environmental Protection Agency	Final rule	Aug 13
Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone Standard 2026-16514	Environmental Protection Agency	Final rule	Aug 13
Determination of Attainment by the Attainment Date; 1997 Ozone Standards; California; Coachella Valley 2026-16511	Environmental Protection Agency	Final rule	Aug 13
Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California 2026-16510	Environmental Protection Agency	Final rule	Aug 13
Powered Micromobility Devices 2026-16388	National Park Service	Final rule	Aug 12
NRC Modernization: Rulemaking Procedure, Federal Advisory Committee Act Alignment, Access, and Security 2026-16374	Nuclear Regulatory Commission	Final rule	Aug 11
Air Quality Plan; Arizona; Maricopa County Air Quality Department; Gasoline Loading 2026-16335	Environmental Protection Agency	Proposed rule	Aug 11
Determination To Defer Sanctions; Arizona; Maricopa County Air Quality Department; Gasoline Loading 2026-16334	Environmental Protection Agency	Final rule	Aug 11
Response to Clean Air Act Section 176A Petition From New Hampshire 2026-16331	Environmental Protection Agency	Proposed rule	Aug 11
Air Plan Approval; New Hampshire; Repeal of Motor Vehicle Inspection and Maintenance Program 2026-16330	Environmental Protection Agency	Proposed rule	Aug 11
2-Propenoic Acid, 2-Methyl-, Telomer With 1-Dodecanethiol, and 2-Methyloxirane Polymer With Oxirane Monoether With 1,2-Propanediol Mono(2-Methyl-2-Propenoate) in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-16123	Environmental Protection Agency	Final rule	Aug 7
Bacillus thuringiensis eCry1Gb.1Ig Protein; Exemption From the Requirement of a Pesticide Tolerance 2026-16120	Environmental Protection Agency	Final rule	Aug 7
Partial Approval and Partial Disapproval of Air Quality State Implementation Plans; Arizona; Prevention of Significant Deterioration Infrastructure Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standard 2026-16083	Environmental Protection Agency	Proposed rule	Aug 6
Air Plan Approval; Illinois; 2015 Ozone Moderate and Serious Reasonably Available Control Technology Update 2026-16001	Environmental Protection Agency	Proposed rule	Aug 6
Air Plan Approval; Connecticut; Plan for Inclusion of a Consent Order No. 8383-Algonquin Gas Transmission, LLC and Negative Declaration for Rubber Tire Manufacturing Sources 2026-15986	Environmental Protection Agency	Final rule	Aug 6
Alaska: Final Authorization of State Hazardous Waste Program 2026-15984	Environmental Protection Agency	Final rule	Aug 6
Oil and Gas and Sulfur Operations on the Outer Continental Shelf-Revisions to the Requirements for Exploratory Drilling on the Arctic Outer Continental Shelf 2026-15953	Ocean Energy Management Bureau	Proposed rule	Aug 6
Isofetamid; Pesticide Tolerances 2026-15761	Environmental Protection Agency	Final rule	Aug 4
Permethrin; Pesticide Tolerances 2026-15634	Environmental Protection Agency	Final rule	Aug 3
Air Plan Approval; Rhode Island; Update to Materials Incorporated by Reference 2026-15493	Environmental Protection Agency	Final rule	Jul 31
Waiver of Specified Statutory Requirements for Commercial Space Launch and Reentry Actions 2026-15415	Federal Aviation Administration	Proposed rule	Jul 30
Air Plan Approval; California; San Joaquin Valley Air Pollution Control District 2026-15377	Environmental Protection Agency	Final rule	Jul 30
Air Plan Approval; Pennsylvania; Redesignation of the Warren County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard 2026-15372	Environmental Protection Agency	Proposed rule	Jul 30
Air Plan Approval; Missouri; Construction Permit Exemptions 2026-15371	Environmental Protection Agency	Proposed rule	Jul 30
Operating Permit Program Approval; New Hampshire; Revised Definitions 2026-15363	Environmental Protection Agency	Final rule	Jul 30
Clean Air Act Operating Permit Program Revisions; California; Amador County Air Pollution Control District, Calaveras County Air Pollution Control District, Great Basin Unified Air Pollution Control District, Northern Sierra Air Quality Management District 2026-15362	Environmental Protection Agency	Proposed rule	Jul 30
Significant New Use Rules on Certain Chemical Substances (26-4) 2026-15352	Environmental Protection Agency	Proposed rule	Jul 30
Perchloroethylene (PCE) and Carbon Tetrachloride (CTC); Regulation under the Toxic Substances Control Act (TSCA); Compliance Date Extensions 2026-15192	Environmental Protection Agency	Final rule	Jul 28
Epyrifenacil; Pesticide Tolerances; Correction 2026-15191	Environmental Protection Agency	Final rule	Jul 28
Air Plan Approval; Michigan; Redesignation of the Detroit, MI Area to Attainment of the 2015 Ozone Standards 2026-15168	Environmental Protection Agency	Proposed rule	Jul 28
Air Plan Approval; Michigan; Redesignation of the Berrien, MI and Muskegon, MI Areas to Attainment of the 2015 Ozone Standards 2026-15167	Environmental Protection Agency	Proposed rule	Jul 28
Significant New Use Rule on a Certain Chemical Substance; Multi-Walled Carbon Nanotubes 2026-14994	Environmental Protection Agency	Final rule	Jul 24
Approval and Promulgation of State Implementation Plans; New Jersey; RACT Certifications for the 2008 and 2015 Ozone National Ambient Air Quality Standards 2026-14923	Environmental Protection Agency	Proposed rule	Jul 23
Air Plan Approval; Pennsylvania; Harrisburg-Lebanon-Carlisle-York Maintenance Area, Second 10-Year Maintenance Plan for the 2006 Fine Particulate Matter National Ambient Air Quality Standard 2026-14902	Environmental Protection Agency	Proposed rule	Jul 23
Air Plan Approval; Pennsylvania; Revision to Source-Specific Reasonably Available Control Technology (RACT) Requirements 2026-14891	Environmental Protection Agency	Proposed rule	Jul 23
Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License Regulation 2026-14885	Environmental Protection Agency	Final rule	Jul 23
Air Plan Approval; Missouri; Control of Emissions During Petroleum Liquid Storage, Loading, and Transfer 2026-14880	Environmental Protection Agency	Final rule	Jul 23
Significant New Use Rules on Certain Chemical Substances (26-3) 2026-14877	Environmental Protection Agency	Proposed rule	Jul 23
New Source Performance Standards Review for Stationary Combustion Turbines and Stationary Gas Turbines; Correction 2026-14371	Environmental Protection Agency	Final rule	Jul 16
Modernizing Reactor Licensing, Safety Oversight, and Siting Practices 2026-14341	Nuclear Regulatory Commission	Proposed rule	Jul 16
Approval and Promulgation of State Plan (Negative Declaration) for Designated Facilities and Pollutants; Nebraska; Commercial and Industrial Solid Waste Incineration Units 2026-14330	Environmental Protection Agency	Final rule	Jul 16
Approval and Promulgation of State Plan (Negative Declaration) for Designated Facilities and Pollutants; Nebraska; Commercial and Industrial Solid Waste Incineration Units 2026-14329	Environmental Protection Agency	Proposed rule	Jul 16
Air Plan Approval; Pennsylvania; Interim Final Determination To Stay and Defer Sanctions Related to Reasonably Available Control Technology Requirements (RACT) for Volatile Organic Compounds (VOC) Control Technique Guidelines (CTG) Under the 2008 Ozone National Ambient Air Quality Standards (NAAQS) 2026-14326	Environmental Protection Agency	Final rule	Jul 16
Air Plan Approval; Pennsylvania; Reasonably Available Control Technology (RACT) for Volatile Organic Compounds (VOC) Control Technique Guidelines (CTG) Under the 2008 and 2015 Ozone National Ambient Air Quality Standards (NAAQS) 2026-14325	Environmental Protection Agency	Proposed rule	Jul 16
Air Plan Approval; Iowa; Revisions to Iowa Air Quality Regulations 2026-14322	Environmental Protection Agency	Final rule	Jul 16
Air Plan Approval and Air Quality Designation; Ohio; Attainment Plan and Redesignation of the Canton Area to Attainment of the 2008 Lead Standard 2026-14318	Environmental Protection Agency	Final rule	Jul 16
Air Plan Revisions; California; Antelope Valley Air Quality Management District; New Source Review; Stationary Source Permits 2026-14317	Environmental Protection Agency	Final rule	Jul 16
Air Plan Approval; Wisconsin; Source-Specific Air Quality Implementation Plan; Oak Creek Power Plant 2026-14282	Environmental Protection Agency	Proposed rule	Jul 15
Approval of Source-Specific Air Quality Implementation Plan; New York; Castleton Power, LLC 2026-14261	Environmental Protection Agency	Proposed rule	Jul 15
Air Plan Approval; Missouri; Control of NOX Emissions From Large Stationary Internal Combustion Engines 2026-14260	Environmental Protection Agency	Proposed rule	Jul 15
Reforming and Modernizing the NRC's Radiation Protection Framework 2026-14208	Nuclear Regulatory Commission	Proposed rule	Jul 15
Bacteriophage Active Against Xanthomonas campestris pv. vesicatoria_EcoPhage and Bacteriophage Active Against Pseudomonas syringae pv. tomato_EcoPhage; Exemptions from the Requirement of a Pesticide Tolerance 2026-14114	Environmental Protection Agency	Final rule	Jul 14
Amendments and Nonconformance Penalties for Model Year 2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines 2026-14112	Environmental Protection Agency	Proposed rule	Jul 14
Approval and Promulgation of Implementation Plans; California; San Joaquin Valley; Revisions to Motor Vehicle Emissions Budgets for Ozone 2026-13845	Environmental Protection Agency	Proposed rule	Jul 9
Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment Area 2026-13843	Environmental Protection Agency	Final rule	Jul 9
Implementation of the National Environmental Policy Act 2026-13687 · significant	Nuclear Regulatory Commission	Proposed rule	Jul 7
Minor New Source Review Program Air Permitting Public Participation Requirements for State Implementation Plans 2026-13667 · significant	Environmental Protection Agency	Proposed rule	Jul 7
National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood Products 2026-13550	Environmental Protection Agency	Final rule	Jul 6
Air Plan Approval; Alabama; Transportation Conformity 2026-13403	Environmental Protection Agency	Proposed rule	Jul 2
Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP Provisions 2026-13398	Environmental Protection Agency	Final rule	Jul 2
Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment Area 2026-13396	Environmental Protection Agency	Final rule	Jul 2
Revisions To Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems 2026-13263 · significant	Environmental Protection Agency	Proposed rule	Jul 1
Fluoxapiprolin; Pesticide Tolerances 2026-13198	Environmental Protection Agency	Final rule	Jun 30
Epyrifenacil; Pesticide Tolerances 2026-13193	Environmental Protection Agency	Final rule	Jun 30
Chlormequat Chloride; Pesticide Tolerances 2026-13185	Environmental Protection Agency	Final rule	Jun 30
Diflufenican; Pesticide Tolerances 2026-13180	Environmental Protection Agency	Final rule	Jun 30
Bifenthrin; Pesticide Tolerances 2026-13174	Environmental Protection Agency	Final rule	Jun 30
Technical Guidelines for the Production of Regenerative Agricultural Biofuel Feedstocks 2026-13092	Energy and Environmental Policy Office	Final rule	Jun 29
Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone Standard 2026-13027	Environmental Protection Agency	Final rule	Jun 29
Air Quality Plan; California; Mojave Desert Air Quality Management District; Rescissions of Outdated Requirements Within Riverside County 2026-12935	Environmental Protection Agency	Proposed rule	Jun 26
U.S. Ecology Nevada, Inc. High Mercury Subcategory Wastes Land Disposal Restrictions Variance 2026-12927 · significant	Environmental Protection Agency	Final rule	Jun 26
Air Plan Approval; Ohio; Source-Specific Non-CTG RACT and SIP Strengthening for Ohio 2026-12921	Environmental Protection Agency	Final rule	Jun 26
Air Plan Approval; Ohio; Source-Specific Non-CTG RACT 2026-12920	Environmental Protection Agency	Final rule	Jun 26
Cinnamaldehyde in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-12913	Environmental Protection Agency	Final rule	Jun 26
Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit Program 2026-12898	Environmental Protection Agency	Final rule	Jun 26
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Oklahoma; Control of Emissions From Existing Other Solid Waste Incineration Units, Hospital/Medical/Infectious Waste Incinerator Units, and Commercial and Industrial Solid Waste Incineration Units 2026-12896	Environmental Protection Agency	Final rule	Jun 26
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Louisiana; Control of Emissions From Existing Other Solid Waste Incineration Units 2026-12895	Environmental Protection Agency	Final rule	Jun 26
Update of Procedures for Implementing the National Environmental Policy Act and Assessing the Environmental Effects Abroad of EPA Actions 2026-12862	Environmental Protection Agency	Proposed rule	Jun 25
Approval and Promulgation of Implementation Plans; Arizona; Revisions to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside Programs 2026-12551	Environmental Protection Agency	Proposed rule	Jun 23
No-Migration Variance From Land Disposal Restrictions for Clean Harbors Grassy Mountain, Utah 2026-12544	Environmental Protection Agency	Final rule	Jun 23
Air Plan Approval; Colorado; RACT Requirements for the 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area 2026-12543	Environmental Protection Agency	Proposed rule	Jun 23
Application for Authorization To Transmit Electric Energy to a Foreign Country 2026-12475 · significant	Energy Department	Final rule	Jun 22
EPCRA Hazardous Chemical Inventory Reporting Requirements: Conformity With the 2024 OSHA Hazard Communication Standard 2026-12426	Environmental Protection Agency	Final rule	Jun 22
Congressional Review Act Revocation of 2024 Amendments to the National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing 2026-12424	Environmental Protection Agency	Final rule	Jun 22
Air Plan Approval; OR; Update to Materials Incorporated by Reference 2026-12415	Environmental Protection Agency	Final rule	Jun 22
Resin Acids, Esters With Glycerol in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-12272	Environmental Protection Agency	Final rule	Jun 18
Sodium Nitrate in Pesticide Formulations; Exemption From the Requirement of a Tolerance 2026-11941	Environmental Protection Agency	Final rule	Jun 15
Pydiflumetofen; Pesticide Tolerances 2026-11940	Environmental Protection Agency	Final rule	Jun 15
Partial Withdrawals of Findings of Failure To Submit State Implementation Plan (SIP) Revisions To Amend Provisions Applying to Excess Emissions During Periods of Startup, Shutdown, and Malfunction 2026-11884	Environmental Protection Agency	Final rule	Jun 12
Ozone Reclassification State Implementation Plan Rule 2026-11843	Environmental Protection Agency	Proposed rule	Jun 12
Attainment Date Extension for the South Coast, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area 2026-11736	Environmental Protection Agency	Proposed rule	Jun 11
Attainment Date Extension for the San Joaquin Valley, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area 2026-11735	Environmental Protection Agency	Proposed rule	Jun 11
Air Plan Approval; New York; New York Metropolitan Area Second Ten-Year Limited Maintenance Plan for the 2006 24-Hour PM2.5 Standard 2026-11732	Environmental Protection Agency	Final rule	Jun 11
Finding of Failure To Attain the 2006 24-Hour PM2.5 Standards; California; San Joaquin Valley; Error Correction 2026-11731	Environmental Protection Agency	Final rule	Jun 11
Air Plan Approval; Connecticut; Ozone Ambient Air Quality Standard and Adhesive and Sealants Regulation Revisions 2026-11728	Environmental Protection Agency	Final rule	Jun 11
Oil and Gas and Sulfur Operations in the Outer Continental Shelf-Documents Incorporated by Reference 2026-11648	Safety and Environmental Enforcement Bureau	Final rule	Jun 10
Significant New Use Rules on Certain Chemical Substances (26-1) 2026-11593	Environmental Protection Agency	Proposed rule	Jun 10
Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Regional Haze Federal Implementation Plan 2026-11436	Environmental Protection Agency	Proposed rule	Jun 8
Air Plan Approval; Minnesota; Revision to Taconite Federal Implementation Plan 2026-11432	Environmental Protection Agency	Final rule	Jun 8
Significant New Use Rules on Certain Chemical Substances (25-3.5e) 2026-11319	Environmental Protection Agency	Proposed rule	Jun 5
Clean Air Act Title V Operating Permit Program Revision; District of Columbia 2026-11170	Environmental Protection Agency	Final rule	Jun 4
Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE 2026-11169	Environmental Protection Agency	Final rule	Jun 4
Conditional Approval; Contingency Measure State Implementation Plan for the 2008 Ozone Standards; San Joaquin Valley, California 2026-11168	Environmental Protection Agency	Final rule	Jun 4
Amending the Administrative Hearing Procedures for Claims Against the Hazardous Substance Superfund Pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act 2026-11053	Environmental Protection Agency	Proposed rule	Jun 3
Rescinding the Regulations for Arbitration Requirements and Procedures for Small Superfund Cost Recovery Claims 2026-11052	Environmental Protection Agency	Proposed rule	Jun 3
National Emission Standards for Hazardous Air Pollutants From Hazardous Waste Combustors: Residual Risk and Technology Review 2026-11047 · significant	Environmental Protection Agency	Final rule	Jun 3
Rescission of Title V Emergency Affirmative Defense Rule 2026-10875	Environmental Protection Agency	Final rule	Jun 1
Air Plan Approval; Indiana; Keystone VOC RACT Alternative Control 2026-10776	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; Pennsylvania; Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan Under the 1997 8-Hour Ozone National Ambient Air Quality Standards 2026-10771	Environmental Protection Agency	Final rule	May 29
Approval of Source-Specific Air Quality Implementation Plan; New York; Calpine JFK Energy Center 2026-10770	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; New York; Athens Generating Plant 2026-10769	Environmental Protection Agency	Final rule	May 29
Designation of Areas for Air Quality Planning Purposes; Michigan; Technical Amendment 2026-10768	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; Michigan; Determination of Attainment by the Attainment Date for the 2015 Ozone Standards 2026-10767	Environmental Protection Agency	Proposed rule	May 29
Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; Ventura County Air Pollution Control District; South Coast Air Quality Management District; Oil and Gas Production; Volatile Organic Compounds 2026-10760	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; Maryland; Clean Data Determination for the Baltimore, MD Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards 2026-10755	Environmental Protection Agency	Final rule	May 29
Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Hawaii; Regional Haze State Implementation Plan for the Second Implementation Period 2026-10754	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; Virginia; Repeal of Existing Stationary Source Regulations 2026-10745	Environmental Protection Agency	Final rule	May 29
South Carolina; Approval of State Plan for Control of Emissions From Commercial and Industrial Solid Waste Incineration Units 2026-10744	Environmental Protection Agency	Final rule	May 29
Approval and Promulgation of State Air Quality Plans (Negative Declarations) for Designated Facilities and Pollutants; District of Columbia 2026-10739	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; ID; Update to Materials Incorporated by Reference 2026-10738	Environmental Protection Agency	Final rule	May 29
Significant New Use Rules on Certain Chemical Substances (25-2.5e) 2026-10712	Environmental Protection Agency	Final rule	May 29
Propylene Oxide; Pesticide Tolerances 2026-10711	Environmental Protection Agency	Final rule	May 29
Bacillus Thuringiensis Cry1B.34.1, Bacillus Thuringiensis Cry1B.61.1 and Adiantum Trapeziforme var. Braziliense IPD083Cb Proteins; Pesticide Tolerances 2026-10709	Environmental Protection Agency	Final rule	May 29
Air Plan Approval; Ohio; Removal of Air Nuisance Rule 2026-10643	Environmental Protection Agency	Proposed rule	May 28
Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc. 2026-10642	Environmental Protection Agency	Proposed rule	May 28
Air Plan Approval; SC; Department Name Change 2026-10640	Environmental Protection Agency	Proposed rule	May 28
Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste Combustors; Extension of Comment Period 2026-10638	Environmental Protection Agency	Proposed rule	May 28
Phasedown of Hydrofluorocarbons: Excluding Road and Intermodal Container Transport Refrigeration Units From the Hydrofluorocarbon Leak Repair Requirements 2026-10388	Environmental Protection Agency	Proposed rule	May 26
Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020 2026-10387 · significant	Environmental Protection Agency	Final rule	May 26
Air Plan Revisions; Arizona; Arizona Department of Environmental Quality; Gila County Reasonably Available Control Technology 2026-10280	Environmental Protection Agency	Final rule	May 22
Aluminum in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-10267	Environmental Protection Agency	Final rule	May 22
Significant New Use Rules on Certain Chemical Substances (25-1.5e) 2026-10264	Environmental Protection Agency	Final rule	May 22
Reporting Deadline Extension for the Health and Safety Data Reporting Rule Under Toxic Substance Control Act (TSCA) Section 8(d) 2026-10263	Environmental Protection Agency	Final rule	May 22
Air Plan Approval; FL; Emissions Reporting Requirements and Permitting Forms 2026-10207	Environmental Protection Agency	Proposed rule	May 21
Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant Levels 2026-10086 · significant	Environmental Protection Agency	Proposed rule	May 20
Rescission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances (PFHxS, PFNA, HFPO-DA (GenX), and the Mixture of These Three PFAS Plus PFBS) 2026-10085 · significant	Environmental Protection Agency	Proposed rule	May 20
Revision of Tier 4 Criteria Pollutant Standards, Part 1: Amendments to Phase-In Schedule for Light-Duty and Medium-Duty Vehicles 2026-09905	Environmental Protection Agency	Proposed rule	May 18
Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category-Unmanaged Combustion Residual Leachate 2026-09895 · significant	Environmental Protection Agency	Proposed rule	May 18
Air Plan Approval; Montana; Revisions to Western Sugar Stipulation 2026-09619	Environmental Protection Agency	Final rule	May 14
Air Plan Approval; Minnesota; Metropolitan Council Wastewater Treatment Plant Title I PM10 SIP Revisions 2026-09618	Environmental Protection Agency	Final rule	May 14
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements 2026-09616	Environmental Protection Agency	Final rule	May 14
Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Washington; Northwest Clean Air Agency 2026-09615	Environmental Protection Agency	Final rule	May 14
Air Plan Approval; Ohio; Clean Data Determination for the Cleveland, Ohio Area for the 2015 Ozone Standard 2026-09614	Environmental Protection Agency	Final rule	May 14
Air Plan Approval; Illinois; Moderate Attainment Plan Elements for the Chicago and Metro East Areas for the 2015 Ozone Standard 2026-09613	Environmental Protection Agency	Final rule	May 14
Air Plan Approval; Indiana; Indiana NOX Emissions Monitoring 2026-09612	Environmental Protection Agency	Final rule	May 14
Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California 2026-09604	Environmental Protection Agency	Proposed rule	May 14
Alaska: Tentative Determination on Final Authorization of State Hazardous Waste Management Program 2026-09603	Environmental Protection Agency	Proposed rule	May 14
Begin Actual Construction in the New Source Review (NSR) Preconstruction Permitting Program 2026-09524 · significant	Environmental Protection Agency	Proposed rule	May 13
Oxirane, 2-phenyl-, polymer With oxirane, mono(hydrogen 2-sulfobutanedioate), octyl ether, sodium salt (1:2) in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-09490	Environmental Protection Agency	Final rule	May 13
Rescission of Conservation and Landscape Health Rule 2026-09386 · significant	Land Management Bureau	Final rule	May 12
Air Plan Approval; NC; Removal of the State's Vehicle Inspection and Maintenance Program 2026-09146	Environmental Protection Agency	Proposed rule	May 8
Air Quality Plan; California; San Diego County Air Pollution Control District; Landfill Flares 2026-09055	Environmental Protection Agency	Proposed rule	May 7
Air Plan Approval; Missouri; Attainment Plan for the New Madrid Nonattainment Area for the 2010 1-Hour Sulfur Dioxide National Ambient Air Quality Standard 2026-09054	Environmental Protection Agency	Proposed rule	May 7
Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Allegheny County; Delegation of Authority of the Federal Plan for Existing Sewage Sludge Incineration Units 2026-09043	Environmental Protection Agency	Final rule	May 7
Licensing Requirements for Microreactors and Other Reactors With Comparable Risk Profiles 2026-08550	Nuclear Regulatory Commission	Proposed rule	May 1
Air Plan Approval; Delaware; Excess Emissions Provisions Pertaining to Periods of Startup, Shutdown and Malfunction Events 2026-08373	Environmental Protection Agency	Proposed rule	Apr 30
Utah; Northern Wasatch Front; 2015 8-Hour Ozone National Ambient Air Quality Standards; Reconsideration and Repeal of Finding of Failure To Attain and Reclassification to a Serious Nonattainment Area; Determination of Attainment by the Moderate Attainment Date But for International Emissions 2026-08372	Environmental Protection Agency	Proposed rule	Apr 30
Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste Combustors 2026-08364	Environmental Protection Agency	Proposed rule	Apr 29
Approval of Missouri's Request for Partial Program Delegation of Clean Air Act 112(r) Prevention of Accidental Release Program 2026-08348	Environmental Protection Agency	Final rule	Apr 29
Pipeline Safety: Electronic Retention of Part 194 Response Plans 2026-08070	Pipeline and Hazardous Materials Safety Administration	Final rule	Apr 24
Significant New Use Rules on Certain Chemical Substances (26-2) 2026-08012	Environmental Protection Agency	Proposed rule	Apr 24
Exceptions From Foreign Ownership, Control, or Domination 2026-07917	Nuclear Regulatory Commission	Final rule	Apr 23
Air Plan Approval; Missouri; Control of Emissions During Petroleum Liquid Storage, Loading, and Transfer 2026-07906	Environmental Protection Agency	Proposed rule	Apr 23
Utah; Uinta Basin; 2015 8-Hour Ozone National Ambient Air Quality Standard; Reconsideration and Repeal of Finding of Failure To Attain and Reclassification to a Moderate Nonattainment Area; Extension of the Attainment Date and Determination of Attainment by the Marginal Attainment Date 2026-07904	Environmental Protection Agency	Proposed rule	Apr 23
Kentucky; Approval and Promulgation of State Plan for Designated Facilities and Pollutants; Control of Emissions From Existing Municipal Solid Waste Landfills 2026-07894	Environmental Protection Agency	Proposed rule	Apr 23
Finding of Failure To Attain and Reclassification of Tribal Portions of the Greater Connecticut Ozone Nonattainment Area as Serious for the 2015 Ozone National Ambient Air Quality Standards 2026-07889	Environmental Protection Agency	Final rule	Apr 23
Air Plan Approval; Virginia; Revision to the Regulatory Definition of Volatile Organic Compound 2026-07885	Environmental Protection Agency	Final rule	Apr 23
Air Plan Approval; Missouri; Construction Permits Required 2026-07884	Environmental Protection Agency	Final rule	Apr 23
National Emission Standards for Hazardous Air Pollutants: Crude Oil and Natural Gas Production Facilities and Natural Gas Transmission and Storage Facilities; Technology Review and Reconsideration 2026-07800	Environmental Protection Agency	Proposed rule	Apr 22
Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides (Hydrogen Cyanide, et al.) 2026-07794	Environmental Protection Agency	Final rule	Apr 22
Methoxyfenozide; Pesticide Tolerances 2026-07560	Environmental Protection Agency	Final rule	Apr 17
Air Plan Approval; Virginia; Amendment to the State Operating Permit for GP Big Island, LLC 2026-07527	Environmental Protection Agency	Final rule	Apr 17
Air Plan Revisions; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction Credits 2026-07405	Environmental Protection Agency	Proposed rule	Apr 16
Air Plan Approval; Arizona; Interstate Transport Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standards 2026-07400	Environmental Protection Agency	Final rule	Apr 16
Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter Standard 2026-07399	Environmental Protection Agency	Final rule	Apr 16
Air Plan Approval; California; Eastern Kern Air Pollution Control District; Portland Cement Kilns 2026-07398	Environmental Protection Agency	Final rule	Apr 16
Increased Flexibility in the Mandatory Hearing Process 2026-07301	Nuclear Regulatory Commission	Final rule	Apr 15
Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7) 2026-07062	Environmental Protection Agency	Final rule	Apr 13
Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Legacy/CCRMU Amendments 2026-07061 · significant	Environmental Protection Agency	Proposed rule	Apr 13
Hexanedioic acid, polymer with sodium 2-[(2-aminoethyl)amino]ethanesulfonate (1:1), 1,6-diisocyanatohexane, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediamine and 1,6-hexanediol in Pesticide Formulations; Exemption from the Requirement for a Tolerance 2026-06954	Environmental Protection Agency	Final rule	Apr 10
Polyethylhexyl Glycidyl Ether Polyethylene Oxide Copolymer in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-06953	Environmental Protection Agency	Final rule	Apr 10
Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone Standards 2026-06943	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality Standard 2026-06942	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment Area 2026-06941	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approval; Ohio; Source-Specific Non-CTG RACT for Ohio 2026-06940	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQS 2026-06938	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approval and Air Quality Designation; Ohio; Attainment Plan and Redesignation of the Canton Area to Attainment of the 2008 Lead Standard 2026-06937	Environmental Protection Agency	Proposed rule	Apr 10
Air Plan Approval; Rhode Island; Regional Haze State Implementation Plan for the Second Implementation Period; Prong 4 (Visibility) for the 2015 8-Hour Ozone National Ambient Air Quality Standard 2026-06838	Environmental Protection Agency	Final rule	Apr 9
Air Plan Approval; Colorado; Serious Attainment Plan Contingency Measures and RACT Requirements for the 2008 8-Hour Ozone National Ambient Air Quality Standards for the Denver Metro/North Front Range Nonattainment Area 2026-06837	Environmental Protection Agency	Final rule	Apr 9
Air Plan Approval; Missouri; Revisions to Existing Rule 10 CSR 10-5.570; Control of Sulfur Emissions From Stationary Boilers 2026-06832	Environmental Protection Agency	Final rule	Apr 9
Air Plan Approval; Missouri; Revisions to Existing Rule 10 CSR 10-5.570; Control of Sulfur Emissions From Stationary Boilers 2026-06831	Environmental Protection Agency	Proposed rule	Apr 9
Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review 2026-06808 · significant	Environmental Protection Agency	Final rule	Apr 9
Update to EPAAR Text of Provisions and Clauses, Signing of Uniform Hazardous Wastes Manifests 2026-06775	Environmental Protection Agency	Proposed rule	Apr 8
Citrus Tristeza Virus (CTV) Strain T36 Expressing Spinach Defensin Proteins SoD2, SoD2-1, and SoD2*; Exemption From the Requirement of a Tolerance 2026-06686	Environmental Protection Agency	Final rule	Apr 7
Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression; Supplemental Notice of Proposed Rulemaking 2026-06665	Environmental Protection Agency	Proposed rule	Apr 6
Clean Air Act Operating Permit Program Revision; California; Monterey Bay Air Resources District 2026-06443	Environmental Protection Agency	Proposed rule	Apr 2
Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard Areas 2026-06442	Environmental Protection Agency	Proposed rule	Apr 2
Finding of Failure To Attain the 2006 24-Hour PM2.5 Standards; California; San Joaquin Valley; Error Correction 2026-06441	Environmental Protection Agency	Proposed rule	Apr 2
Air Plan Approval; Ohio; Ohio Permit Rules Revisions 2026-06398	Environmental Protection Agency	Final rule	Apr 2
Air Plan Approval; Ohio; Muskingum River 2010 Sulfur Dioxide Redesignation and Maintenance Plan 2026-06397	Environmental Protection Agency	Final rule	Apr 2
Air Plan Approval; Michigan; Detroit 2010 Sulfur Dioxide Redesignation and Maintenance Plan 2026-06396	Environmental Protection Agency	Final rule	Apr 2
Ohio: Authorization of State Hazardous Waste Management Program Revisions 2026-06395	Environmental Protection Agency	Final rule	Apr 2
Air Plan Approval; Oregon; 2024 Vehicle Inspection Program Updates 2026-06388	Environmental Protection Agency	Final rule	Apr 2
Air Quality Plan; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements; Correction 2026-06386	Environmental Protection Agency	Final rule	Apr 2
Air Plan Approval; Connecticut; New Source Review Permit Program State Plan Revision 2026-06384	Environmental Protection Agency	Final rule	Apr 2
National Emission Standards for Hazardous Air Pollutants: Chemical Manufacturing Area Sources Technology Review 2026-06304	Environmental Protection Agency	Final rule	Apr 1
Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes 2026-06275 · significant	Environmental Protection Agency	Final rule	Apr 1
Reporting Deadline Extension for the Health and Safety Data Reporting Rule Under Toxic Substance Control Act (TSCA) Section 8(d) 2026-06066	Environmental Protection Agency	Proposed rule	Mar 30
Risk-Informed, Technology-Inclusive Regulatory Framework for Advanced Reactors 2026-06048 · significant	Nuclear Regulatory Commission	Final rule	Mar 30
Perchloroethylene (PCE) and Carbon Tetrachloride (CTC); Regulation Under the Toxic Substances Control Act (TSCA); Compliance Date Extensions 2026-05977	Environmental Protection Agency	Proposed rule	Mar 27
Hazardous Waste Management System; Identification and Listing of Hazardous Waste 2026-05876	Environmental Protection Agency	Proposed rule	Mar 26
Air Plan Approval; Iowa; Revisions to Iowa Air Quality Regulations 2026-05875	Environmental Protection Agency	Proposed rule	Mar 26
Florida: Final Authorization of State Hazardous Waste Management Program Revisions 2026-05862	Environmental Protection Agency	Final rule	Mar 26
Dimethylpolysiloxane in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-05773	Environmental Protection Agency	Final rule	Mar 25
Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Washington; Southwest Clean Air Agency 2026-05712	Environmental Protection Agency	Final rule	Mar 24
Approval and Promulgation of State Plans for Designated Facilities and Pollutants; West Virginia; Control of Emissions From Existing Municipal Solid Waste Landfills 2026-05637	Environmental Protection Agency	Proposed rule	Mar 23
Air Plan Revisions; California; Antelope Valley Air Quality Management District; New Source Review; Stationary Source Permits 2026-05636	Environmental Protection Agency	Proposed rule	Mar 23
Air Plan Approval; Texas; Reasonably Available Control Technology in the Dallas-Fort Worth Ozone Nonattainment Area 2026-05607	Environmental Protection Agency	Final rule	Mar 23
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Louisiana; Control of Emissions From Existing Other Solid Waste Incineration Units 2026-05606	Environmental Protection Agency	Proposed rule	Mar 23
Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, Arizona 2026-05601	Environmental Protection Agency	Final rule	Mar 23
Air Plan Approval; Texas; Reasonably Available Control Technology in the Houston-Galveston-Brazoria Ozone Nonattainment Area 2026-05596	Environmental Protection Agency	Final rule	Mar 23
Approval of Clean Air Plans; San Joaquin Valley, California; Contingency Measures for 1997 Ozone Standards 2026-05592	Environmental Protection Agency	Final rule	Mar 23
Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits 2026-05591	Environmental Protection Agency	Final rule	Mar 23
Protecting Public Health and Unleashing American Energy by Facilitating Scrap Tire Pile Cleanups 2026-05586	Environmental Protection Agency	Proposed rule	Mar 23
Air Plan Approval; Ohio; Volatile Organic Compounds RFD Beaufort 2026-05568	Environmental Protection Agency	Final rule	Mar 23
Air Plan Approval; New Hampshire; Single Source VOC RACT Order for Hutchinson Sealing Systems 2026-05567	Environmental Protection Agency	Final rule	Mar 23
Colorado Underground Injection Control Program; Class VI Primacy 2026-05453	Environmental Protection Agency	Proposed rule	Mar 19
Commercial and Industrial Solid Waste Incineration Units: Temporary-Use Incinerators and Air Curtain Incinerators Used in Disaster Recovery; Rescission of Interim Final Rule 2026-05395	Environmental Protection Agency	Final rule	Mar 19
National Emission Standards for Hazardous Air Pollutants: Polyether Polyols Production Industry Review 2026-05261	Environmental Protection Agency	Final rule	Mar 18
National Emission Standards for Hazardous Air Pollutants: Ethylene Oxide Emissions Standards for Sterilization Facilities Residual Risk and Technology Review Reconsideration 2026-05167 · significant	Environmental Protection Agency	Proposed rule	Mar 17
Air Plan Approval; Connecticut; Revision to the State Implementation Plan for Inclusion of Consent Order No. 8383-Algonquin Gas Transmission, LLC and Negative Declaration for Rubber Tire Manufacturing Sources 2026-04991	Environmental Protection Agency	Proposed rule	Mar 13
National Priorities List 2026-04904	Environmental Protection Agency	Final rule	Mar 13
Air Plan Approval; Michigan; Clean Data Determination for the Berrien, MI and Muskegon, MI Areas for the 2015 Ozone Standards 2026-04851	Environmental Protection Agency	Proposed rule	Mar 12
Marine Protection: Modification To Expand Ocean Dredged Material Disposal Sites Offshore of Corpus Christi, Texas 2026-04848	Environmental Protection Agency	Proposed rule	Mar 12
Air Plan Approval; North Dakota; Approval of Air Quality Implementation Plans; Regional Haze State Implementation Plan; Regional Haze Five Year Progress Report and Nitrogen Oxides Best Available Retrofit Technology Determination for Coal Creek Station for the First Implementation Period 2026-04649	Environmental Protection Agency	Final rule	Mar 10
Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and Five-Year Review 2026-04646 · significant	Environmental Protection Agency	Final rule	Mar 10
Clean Water Act Hazardous Substance Facility Response Plans: Compliance Date Delay and Changes To Reflect Administration Policy 2026-04388	Environmental Protection Agency	Proposed rule	Mar 5
Paper Manifest Sunset Rule; Modification of the Hazardous Waste Manifest Regulations 2026-04366	Environmental Protection Agency	Proposed rule	Mar 5
Air Plan Approval; Arizona; Attainment Plan for the Hayden SO2 Nonattainment Area for the 1971 and 2010 Sulfur Dioxide National Ambient Air Quality Standards 2026-04339	Environmental Protection Agency	Proposed rule	Mar 4
Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Texas; Control of Emissions From Existing Municipal Solid Waste Landfills 2026-04338	Environmental Protection Agency	Proposed rule	Mar 4
Air Plan Approval; OR; Klamath Falls PM2.5 Redesignation to Attainment and Maintenance Plan 2026-04333	Environmental Protection Agency	Proposed rule	Mar 4
Proposed Deletion From the National Priorities List 2026-04321	Environmental Protection Agency	Proposed rule	Mar 4
Deletion From the National Priorities List 2026-04320	Environmental Protection Agency	Final rule	Mar 4
Streamlining Contested Adjudications in Licensing Proceedings 2026-04187	Nuclear Regulatory Commission	Proposed rule	Mar 3
Air Plan Approval; AK; Regional Haze State Implementation Plan for the Second Implementation Period 2026-04159	Environmental Protection Agency	Final rule	Mar 3
Offshore Downhole Commingling Regulatory Updates 2026-04135	Safety and Environmental Enforcement Bureau	Final rule	Mar 2
Extending the Reporting Deadline Under the Greenhouse Gas Reporting Rule for 2025 2026-03995	Environmental Protection Agency	Final rule	Feb 27
Implementing Statutory Addition of Certain Per- and Polyfluoroalkyl Substances (PFAS) to the Toxics Release Inventory Beginning With Reporting Year 2026 2026-03944	Environmental Protection Agency	Final rule	Feb 27
Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides; Maleic Hydrazide, et al. 2026-03942	Environmental Protection Agency	Final rule	Feb 27
Pyridate; Pesticide Tolerances 2026-03938	Environmental Protection Agency	Final rule	Feb 27
Air Plan Approval; Michigan; 2015 Ozone Moderate Reasonably Available Control Technology 2026-03937	Environmental Protection Agency	Proposed rule	Feb 27
Air Plan Approvals; Illinois; Regional Haze Plan for the Second Implementation Period; Interstate Transport of Air Pollution for the 2012 PM2.5 and 2015 Ozone NAAQS 2026-03936	Environmental Protection Agency	Proposed rule	Feb 27
Air Plan Approval; Ohio; Clean Data Determination for the Cleveland, Ohio Area for the 2015 Ozone Standard 2026-03934	Environmental Protection Agency	Proposed rule	Feb 27
Air Plan Approval; Indiana; Keystone VOC RACT Alternative Control 2026-03933	Environmental Protection Agency	Proposed rule	Feb 27
Air Plan Approval; Ohio; Source-Specific Non-CTG RACT and SIP Strengthening for Ohio 2026-03931	Environmental Protection Agency	Proposed rule	Feb 27
Approval of Missouri's Request for Partial Program Delegation of Clean Air Act Section 112(r) Prevention of Accidental Release Program 2026-03891	Environmental Protection Agency	Proposed rule	Feb 26
Air Plan Approval; Missouri; Reporting Emission Data, Emission Fees, and Process Information 2026-03888	Environmental Protection Agency	Final rule	Feb 26
Air Plan Approval; Connecticut; State Implementation Plan Revisions Required as a Result of a Definition Change Due to the Ozone Reclassification 2026-03887	Environmental Protection Agency	Final rule	Feb 26
Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone Standard 2026-03880	Environmental Protection Agency	Final rule	Feb 26
No-Migration Variance From Land Disposal Restrictions for Clean Harbors Lone Mountain, Oklahoma 2026-03879	Environmental Protection Agency	Final rule	Feb 26
Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone Standard 2026-03846	Environmental Protection Agency	Proposed rule	Feb 26
Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area 2026-03845	Environmental Protection Agency	Proposed rule	Feb 26
National Environmental Policy Act Implementing Regulations 2026-03708 · significant	Interior Department	Final rule	Feb 24
Administrative Revisions to Regulations Related to Outer Continental Shelf Minerals Other Than Oil, Gas, and Sulphur 2026-03690	Ocean Energy Management Bureau	Proposed rule	Feb 24
Prior Notice of Citizen Suits 2026-03646	Environmental Protection Agency	Proposed rule	Feb 24
National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal 2026-03638 · significant	Environmental Protection Agency	Final rule	Feb 24
Accidental Release Prevention Requirements: Risk Management Programs Under the Clean Air Act; Common Sense Approach to Chemical Accident Prevention 2026-03633 · significant	Environmental Protection Agency	Proposed rule	Feb 24
Oil and Gas and Sulfur Operations in the Outer Continental Shelf-Revisions to the 2023 Blowout Preventer Systems and Well Control Rule 2026-03476	Safety and Environmental Enforcement Bureau	Proposed rule	Feb 23
Inpyrfluxam; Pesticide Tolerances 2026-03423	Environmental Protection Agency	Final rule	Feb 20
Pydiflumetofen; Pesticide Tolerances 2026-03421	Environmental Protection Agency	Final rule	Feb 20
Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides; Diphenylamine, et al. 2026-03371	Environmental Protection Agency	Final rule	Feb 20
Imidacloprid; Pesticide Tolerance(s) 2026-03368	Environmental Protection Agency	Final rule	Feb 20
Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides; Terbacil, et al. 2026-03366	Environmental Protection Agency	Final rule	Feb 20
Locatable Minerals 2026-03364 · significant	Forest Service	Proposed rule	Feb 20
Clean Water Act Hazardous Substance Facility Response Plans; Amendment Reconsideration 2026-03220	Environmental Protection Agency	Proposed rule	Feb 18
Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air Act 2026-03157 · significant	Environmental Protection Agency	Final rule	Feb 18
Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Hawaii; Regional Haze State Implementation Plan for the Second Implementation Period 2026-03072	Environmental Protection Agency	Proposed rule	Feb 17
Afidopyropen; Pesticide Tolerances 2026-02933	Environmental Protection Agency	Final rule	Feb 13
Rice Bran Wax in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-02926	Environmental Protection Agency	Final rule	Feb 13
Sulfonic Acids, C14-16-Alkane Hydroxy and C14-16-Alkene, Sodium Salts in Pesticide Formulations; Exemption From the Requirement for a Tolerance 2026-02922	Environmental Protection Agency	Final rule	Feb 13
Hexythiazox; Pesticide Tolerances 2026-02916	Environmental Protection Agency	Final rule	Feb 13
Air Plan Revisions; Arizona; Arizona Department of Environmental Quality; Gila County Reasonably Available Control Technology 2026-02845	Environmental Protection Agency	Proposed rule	Feb 12
Approval and Promulgation of Air Quality Implementation Plans; Oklahoma; Regional Haze State Implementation Plan for the Second Implementation Period 2026-02843	Environmental Protection Agency	Proposed rule	Feb 12
Air Plan Approval; Illinois; Moderate Attainment Plan Elements for the Chicago and Metro East Areas for the 2015 Ozone Standard 2026-02842	Environmental Protection Agency	Proposed rule	Feb 12
Air Plan Approval; Oklahoma; Interstate Transport Requirements for the 2010 SO2 NAAQS 2026-02841	Environmental Protection Agency	Proposed rule	Feb 12
Partial Approval and Promulgation of State Plan for Designated Facilities and Pollutants; West Virginia; Control of Emissions From Existing Commercial and Industrial Solid Waste Incineration (CISWI) Units, Plan Revision 2026-02830	Environmental Protection Agency	Proposed rule	Feb 12
Air Plan Approval; Ohio; Second Maintenance Plan for 2008 Ozone NAAQS 2026-02822	Environmental Protection Agency	Final rule	Feb 12
Air Plan Approval; New York; New York Metropolitan Area Second Ten-Year Limited Maintenance Plan for the 2006 24-Hour PM2.5 Standard 2026-02810	Environmental Protection Agency	Proposed rule	Feb 12
Deletion From the National Priorities List; Correction 2026-02809	Environmental Protection Agency	Final rule	Feb 12
Voluntary Consensus Standards Update; Formaldehyde Emission Standards for Composite Wood Products 2026-02715	Environmental Protection Agency	Proposed rule	Feb 11
Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; CCR Management Unit Deadline Extension Rule 2026-02599	Environmental Protection Agency	Final rule	Feb 10
Air Plan Approval; AK; Updates to Materials Incorporated by Reference 2026-02478	Environmental Protection Agency	Final rule	Feb 9
Air Plan Approval; Connecticut; Revised Format for Materials Incorporated by Reference 2026-02477	Environmental Protection Agency	Final rule	Feb 9
Air Plan Approval; Pennsylvania; Proposed Revision to Philadelphia Gas Works, Richmond Plant Reasonably Available Control Technology Plan Under the 1997 8-Hour Ozone National Ambient Air Quality Standards 2026-02381	Environmental Protection Agency	Proposed rule	Feb 6
Air Plan Revisions; California; Heavy-Duty Vehicle Inspection and Maintenance Program 2026-02350	Environmental Protection Agency	Final rule	Feb 6
Approval and Promulgation of Air Quality Implementation Plans; Nevada; Regional Haze State Implementation Plan for the Second Implementation Period 2026-02344	Environmental Protection Agency	Final rule	Feb 6
Chlorate; Exemption From the Requirement of a Pesticide Tolerance 2026-01902	Environmental Protection Agency	Final rule	Jan 30
PDHP 68949; Exemption From the Requirement of a Tolerance 2026-01901	Environmental Protection Agency	Final rule	Jan 30
Interstate Transport Plan Review for the 2015 Ozone NAAQS 2026-01844 · significant	Environmental Protection Agency	Proposed rule	Jan 30
Air Plan Approval and Air Quality Designation; KY; Redesignation of the Kentucky Portion of the Louisville, KY-IN 2015 8-Hour Ozone Nonattainment Area to Attainment 2026-01772	Environmental Protection Agency	Final rule	Jan 29
Determination of Attainment by the Attainment Date and Clean Data Determination; California, San Joaquin Valley 1997 Annual PM2.5 Fine Particulate Matter Nonattainment Area 2026-01766	Environmental Protection Agency	Final rule	Jan 29
Air Plan Approval; Pennsylvania; Motor Vehicle Inspection and Maintenance Program Certification for Moderate Nonattainment Under the 2015 Ozone National Ambient Air Quality Standards 2026-01762	Environmental Protection Agency	Final rule	Jan 29
Air Plan Approval; OR; Lane County Permitting Rule Revisions 2026-01735	Environmental Protection Agency	Final rule	Jan 29
Determination of Attainment by the Attainment Date for the Louisville Moderate Area for the 2015 Ozone National Ambient Air Quality Standard 2026-01733	Environmental Protection Agency	Proposed rule	Jan 29
Oil and Gas Resources 2026-01655 · significant	Forest Service	Final rule	Jan 28
Freedom of Information Act Regulations Update 2026-01511	Environmental Protection Agency	Proposed rule	Jan 27
Air Plan Disapproval; Colorado; Regional Haze Plan for the Second Implementation Period 2026-01413	Environmental Protection Agency	Final rule	Jan 26
Air Plan Approval; Arkansas; Codification of the State Implementation Plan 2026-01410	Environmental Protection Agency	Final rule	Jan 26
Air Plan Approval; Oklahoma; Revisions to Air Pollution Control Rules 2026-01408	Environmental Protection Agency	Final rule	Jan 26
Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period 2026-01406	Environmental Protection Agency	Final rule	Jan 26
Air Plan Approval; Montana; Revisions to Western Sugar Stipulation 2026-01324	Environmental Protection Agency	Proposed rule	Jan 23
Proposed Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE; Extension of Comment Period 2026-01319	Environmental Protection Agency	Proposed rule	Jan 23
Air Plan Approval; Maryland; Clean Data Determination for the Baltimore, MD Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards 2026-01314	Environmental Protection Agency	Proposed rule	Jan 23
Implementation of the National Environmental Policy Act 2026-01092	Tennessee Valley Authority	Final rule	Jan 21
Air Plan Approval; Ohio; 2015 Ozone Moderate Reasonably Available Control Technology 2026-01001	Environmental Protection Agency	Final rule	Jan 20
Determination of Attainment by the Attainment Date; 1997 Ozone Standards; California; Coachella Valley 2026-00782	Environmental Protection Agency	Proposed rule	Jan 15
Updating the Water Quality Certification Regulations 2026-00754	Environmental Protection Agency	Proposed rule	Jan 15
New Source Performance Standards Review for Stationary Combustion Turbines and Stationary Gas Turbines 2026-00677 · significant	Environmental Protection Agency	Final rule	Jan 15
Pyriofenone; Pesticide Tolerances 2026-00628	Environmental Protection Agency	Final rule	Jan 14
Permethrin; Pesticide Tolerances 2026-00545	Environmental Protection Agency	Final rule	Jan 14
Air Plan Approval; New York; Ortho Clinical Diagnostics 2026-00281	Environmental Protection Agency	Final rule	Jan 9
Technical Amendments to the EPCRA Hazardous Chemical Inventory Reporting Requirements To Conform to the 2024 OSHA Hazard Communication Standard; Withdrawal 2026-00259	Environmental Protection Agency	Final rule	Jan 9
Air Plan Approval; Ohio; Ohio Permit Rules Revisions 2026-00258	Environmental Protection Agency	Proposed rule	Jan 9
Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Ohio; Delegation of Authority 2026-00253	Environmental Protection Agency	Final rule	Jan 9
Air Plan Approval; New Hampshire; Updates to Materials Incorporated by Reference 2026-00249	Environmental Protection Agency	Final rule	Jan 9
Air Plan Approval; Indiana; Huntington County 2010 Sulfur Dioxide Redesignation and Maintenance Plan 2026-00246	Environmental Protection Agency	Final rule	Jan 9
Clean Air Act Title V Operating Permit Program Revision; District of Columbia 2026-00215	Environmental Protection Agency	Proposed rule	Jan 8
Air Plan Approval; Missouri; Construction Permits Required 2026-00214	Environmental Protection Agency	Proposed rule	Jan 8
Air Plan Approval; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements 2026-00208	Environmental Protection Agency	Final rule	Jan 8
Air Plan Approval; Kentucky; Emissions Inventory and Nonattainment New Source Review for the Henderson-Webster Sulfur Dioxide Nonattainment Area 2026-00201	Environmental Protection Agency	Final rule	Jan 8
Air Plan Approval; California; Mojave Desert Air Quality Management District; Definition of Terms 2026-00194	Environmental Protection Agency	Final rule	Jan 8
Removal of National Environmental Policy Act Implementing Regulations 2026-00178 · significant	Council on Environmental Quality	Final rule	Jan 8
National Primary Drinking Water Regulation for Perchlorate 2026-00021 · significant	Environmental Protection Agency	Proposed rule	Jan 6
Utah; Northern Wasatch Front; 2015 8-Hour Ozone Nonattainment Area Boundary Expansion and Applicability of Certain Clean Air Act Requirements 2026-00007	Environmental Protection Agency	Final rule	Jan 6
Air Plan Revision; California; Placer County Air Pollution Control District; New Source Review 2026-00006	Environmental Protection Agency	Final rule	Jan 6
Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District 2026-00005	Environmental Protection Agency	Final rule	Jan 6
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements; Withdrawal of Direct Final Rule 2026-00004	Environmental Protection Agency	Final rule	Jan 6
Extension of the State Implementation Plan Due Date for the Regional Haze Third Implementation Period 2026-00003	Environmental Protection Agency	Final rule	Jan 6
Air Plan Approval; Michigan and Minnesota; Revision to Taconite Federal Implementation Plan 2025-24207	Environmental Protection Agency	Final rule	Jan 2
Congressional Review Act Revocation of 2024 Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act 2025-24202	Environmental Protection Agency	Final rule	Jan 2
Proposed Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE 2025-24200	Environmental Protection Agency	Proposed rule	Jan 2
National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Oklahoma 2025-24149	Environmental Protection Agency	Final rule	Jan 2
Air Plan Approval; Colorado; Revisions to Colorado Procedural Rules and Common Provisions Regulation 2025-24141	Environmental Protection Agency	Final rule	Jan 2
Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category-Deadline Extensions 2025-24102	Environmental Protection Agency	Final rule	Dec 31, 2025
Thiamethoxam; Pesticide Tolerances 2025-23424	Environmental Protection Agency	Final rule	Dec 19, 2025
Flupyradifurone; Pesticide Tolerance for Emergency Exemption 2025-23420	Environmental Protection Agency	Final rule	Dec 19, 2025
New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana 2025-23284	Environmental Protection Agency	Final rule	Dec 18, 2025
New Source Performance Standards; Delegation of Authority to Oklahoma 2025-23275	Environmental Protection Agency	Final rule	Dec 18, 2025
Air Plan Approval: Arizona: Infrastructure Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standard 2025-23259	Environmental Protection Agency	Final rule	Dec 18, 2025
SpCas9 Protein; Exemption From the Requirement of a Tolerance 2025-22927	Environmental Protection Agency	Final rule	Dec 16, 2025
Air Plan Approval; New Hampshire; Single Source VOC RACT Order for Hutchinson Sealing Systems 2025-22610	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone Standard 2025-22607	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Air Plan Approval; Connecticut; Plan Submittals for the 2008 Ozone National Ambient Air Quality Standard 2025-22595	Environmental Protection Agency	Final rule	Dec 11, 2025
Air Plan Disapproval; Ohio; E-Check Attestation Provisions 2025-22594	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Air Plan Approval; California; South Coast Air Quality Management District 2025-22584	Environmental Protection Agency	Final rule	Dec 11, 2025
Approval of Air Quality Implementation Plans; Arizona; Arizona Department of Environmental Quality; Stationary Source Permits; West Pinal County; PM10 2025-22582	Environmental Protection Agency	Final rule	Dec 11, 2025
Air Plan Approval; South Carolina; Second Planning Period Regional Haze Plan 2025-22565	National Oceanic and Atmospheric Administration	Final rule	Dec 11, 2025
Air Plan Approval; Tennessee; Second Period Regional Haze Plan 2025-22564	Environmental Protection Agency	Final rule	Dec 11, 2025
Air Plan Approval; Ohio; Carmeuse Lime, Inc. SO2 2025-22562	Environmental Protection Agency	Final rule	Dec 11, 2025
Air Plan Approval; Virginia; Amendment to the State Operating Permit for GP Big Island, LLC 2025-22533	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Air Plan Approval; California; San Joaquin Valley Air Pollution Control District 2025-22530	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides; Atrazine, et al. 2025-22519	Environmental Protection Agency	Proposed rule	Dec 11, 2025
Air Plan Approval; Arizona; Maricopa County Air Quality Department; Volatile Organic Compounds and Particulate Matter; Solvent Cleaning; Architectural Coatings; Incinerators, Burn-Off Ovens, and Crematories 2025-22517	Environmental Protection Agency	Final rule	Dec 11, 2025
Azoxystrobin; Pesticide Tolerances 2025-22174	Environmental Protection Agency	Final rule	Dec 8, 2025
National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks, and Coke Oven Batteries; Rescission of Extension of Compliance Deadlines for Coke Oven Facilities 2025-22034	Environmental Protection Agency	Final rule	Dec 5, 2025
Air Plan Approval; Texas and Oklahoma; Texas Regional Haze Plans for the First and Second Implementation Periods and Five-Year Progress Report; Oklahoma Regional Haze Plan for the First Implementation Period 2025-22002	Environmental Protection Agency	Final rule	Dec 5, 2025
Oil and Natural Gas Sector Climate Review: Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources 2025-21788 · significant	Environmental Protection Agency	Final rule	Dec 3, 2025
The Sunset Rule 2025-21784 · significant	Nuclear Regulatory Commission	Final rule	Dec 3, 2025
Environmental Protection Agency Acquisition Regulation (EPAAR); Special Contracting Methods; Options; Contracts; Withdrawal 2025-21713	Environmental Protection Agency	Final rule	Dec 1, 2025
Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Extension of an Alternative Closure Requirement Deadline 2025-21597	Environmental Protection Agency	Proposed rule	Nov 28, 2025
Air Plan Approval; Virginia; Repeal of Existing Stationary Source Regulations 2025-21557	Environmental Protection Agency	Proposed rule	Nov 28, 2025
Rescission of Portions of Permanent Program Performance Standards Regulating Subsidence Controls for Underground Mines 2025-21444	Surface Mining Reclamation and Enforcement Office	Final rule	Nov 28, 2025
Rescission of Portions of Permanent Program Performance Standards Related to Siltation Structures 2025-21441	Surface Mining Reclamation and Enforcement Office	Final rule	Nov 28, 2025
Backfilling and Grading 2025-21440	Surface Mining Reclamation and Enforcement Office	Final rule	Nov 28, 2025
Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category-Initial Notification Date Extension; Withdrawal of Direct Final Rule 2025-21426	Environmental Protection Agency	Final rule	Nov 28, 2025
Air Plan Approval; Connecticut; New Source Review Permit Program State Plan Revision 2025-21413	Environmental Protection Agency	Proposed rule	Nov 28, 2025
Air Plan Approval; Missouri; Reporting Emission Data, Emission Fees, and Process Information 2025-21346	Environmental Protection Agency	Proposed rule	Nov 28, 2025
Air Plan Approval; Montana; Regional Haze Plan for the Second Implementation Period 2025-21340	Environmental Protection Agency	Final rule	Nov 28, 2025
Air Plan Approval; Ohio; Emergency Episodes and Ambient Air Quality Standards 2025-21322	Environmental Protection Agency	Final rule	Nov 26, 2025
Delegation of Authority to North Carolina and Forsyth County of the Federal Plan for Existing Landfills 2025-21306	Environmental Protection Agency	Final rule	Nov 26, 2025
Streamlining Select Rules of Practice and Procedure 2025-21305	Nuclear Regulatory Commission	Final rule	Nov 26, 2025
Propyzamide; Extension of Tolerance for Emergency Exemption 2025-21200	Environmental Protection Agency	Final rule	Nov 26, 2025
Air Plan Approval; Indiana; Second Maintenance Plan for 2008 Ozone NAAQS 2025-20672	Environmental Protection Agency	Proposed rule	Nov 21, 2025
Air Plan Approval; New York; Athens Generating Plant 2025-20499	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License Regulation 2025-20498	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Finding of Failure To Attain and Reclassification of Tribal Portions of the Greater Connecticut Ozone Nonattainment Area as Serious for the 2015 Ozone National Ambient Air Quality Standards 2025-20497	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Operating Permit Program Approval; New Hampshire; Revised Definitions 2025-20496	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board Requirements 2025-20495	Environmental Protection Agency	Final rule	Nov 20, 2025
Air Plan Approval; Minnesota; Exempt Source SIP Revision 2025-20492	Environmental Protection Agency	Final rule	Nov 20, 2025
Air Plan Approval; Connecticut; Ozone Ambient Air Quality Standard and Adhesive and Sealants Regulation Revisions 2025-20463	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Isocycloseram; Pesticide Tolerances 2025-20460	Environmental Protection Agency	Final rule	Nov 20, 2025
Air Plan Approval; Rhode Island; Decommissioning of Stage II Vapor Recovery Systems 2025-20458	Environmental Protection Agency	Final rule	Nov 20, 2025
Air Plan Approval; South Carolina; Charlotte-Gastonia-Rock Hill Area Maintenance Plan for the 2008 8-Hour Ozone NAAQS 2025-20449	Environmental Protection Agency	Final rule	Nov 20, 2025
Air Plan Approval; Rhode Island; Regional Haze State Implementation Plan for the Second Implementation Period; Prong 4 (Visibility) for the 2015 8-Hour Ozone National Ambient Air Quality Standard 2025-20444	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; Minnesota; Metropolitan Council Wastewater Treatment Plant Title I PM10 SIP Revisions 2025-20441	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Approval and Promulgation of State Air Quality Plans (Negative Declarations) for Designated Facilities and Pollutants; District of Columbia 2025-20419	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment Area 2025-20418	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit Program 2025-20416	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; AK; Regional Haze Plan for the Second Implementation Period; Extension of Comment Period 2025-20415	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Approval and Promulgation of Delegation of Authority for Designated Facilities and Pollutants; Allegheny County; Delegation of Authority of the Federal Plan for Existing Sewage Sludge Incineration Units 2025-20411	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter Standard 2025-20409	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Air Plan Approval; California; Eastern Kern Air Pollution Control District; Stationary Combustion Turbines 2025-20407	Environmental Protection Agency	Final rule	Nov 20, 2025
Updated Definition of “Waters of the United States” 2025-20402 · significant	Environmental Protection Agency	Proposed rule	Nov 20, 2025
Glufosinate; Pesticide Tolerances 2025-20399	Environmental Protection Agency	Final rule	Nov 20, 2025
Approval of the Clean Air Act, Section 112(l), Authority for Hazardous Air Pollutants; State of Connecticut Department of Energy and Environmental Protection; Approval of the Clean Air Act Section 502, State Operating Permit Programs, State of Connecticut Department of Energy and Environmental Protection 2025-20372	Environmental Protection Agency	Final rule	Nov 20, 2025
Determination of Attainment by the Attainment Date but for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, Arizona 2025-20357	Environmental Protection Agency	Proposed rule	Nov 19, 2025
Air Plan Approval; Arizona; Maricopa County Air Quality Department; Petroleum Solvent Dry Cleaning 2025-20354	Environmental Protection Agency	Final rule	Nov 19, 2025
Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5 Redesignations to Attainment and Utah State Implementation Plan Revisions 2025-20352	Environmental Protection Agency	Final rule	Nov 19, 2025
Arkansas: Incorporation by Reference of Approved State Hazardous Waste Management Program 2025-20237	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Colorado; Inspection and Maintenance Program Revision 2025-20205	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Montana: Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards 2025-20203	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; State of Kansas; Attainment Redesignation for 2008 Lead NAAQS and Associated Maintenance Plan 2025-20200	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; IA, Muscatine; 2010 1-Hour SO2 Maintenance Plan and Redesignation 2025-20197	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; New Jersey; Northern New Jersey and Southern New Jersey Counties' Second 10-Year Limited Maintenance Plan for the 2006 24-Hour PM2.5 Standard 2025-20194	Environmental Protection Agency	Final rule	Nov 18, 2025
Fluopyram; Pesticide Tolerances 2025-20177	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Michigan; Revisions to Part 1 and 2 Rules 2025-20150	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Rhode Island; Amendments to Motor Vehicle Inspection and Maintenance Program 2025-20143	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Connecticut; 2014 and 2017 Periodic Emissions Inventory for 2008 8-Hour Ozone NAAQS 2025-20142	Environmental Protection Agency	Final rule	Nov 18, 2025
Air Plan Approval; Vermont; Regional Haze State Implementation Plan for the Second Implementation Period 2025-20141	Environmental Protection Agency	Final rule	Nov 18, 2025
Ohio: Proposed Authorization of State Hazardous Waste Management Program Revisions 2025-20129	Environmental Protection Agency	Proposed rule	Nov 18, 2025

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