Federal Rule Timelines
Environmental Protection Agency
191 docket timelines with an exact proposal and final rule match. See the proposal, public comment notices and later publications when present.
Browse dockets
- Modification of Significant New Uses of Certain Chemical Substances (23-1.M)EPA-HQ-OPPT-2022-0863 · Last listed November 10, 2026
- Air Plan Approval; Michigan; Determination of Attainment by the Attainment Date for the 2015 Ozone StandardsEPA-R05-OAR-2026-3070 · Last listed November 10, 2026
- Significant New Use Rule on a Certain Chemical Substance; Multi-Walled Carbon NanotubesEPA-HQ-OPPT-2025-2169 · Last listed November 5, 2026
- Approval and Promulgation of State Plans for Designated Facilities and Pollutants; West Virginia; Control of Emissions From Existing Municipal Solid Waste LandfillsEPA-R03-OAR-2023-0230 · Last listed November 5, 2026
- Air Plan Revisions; Arizona; Maricopa County Air Quality Department; New Source Review; Emission Reduction CreditsEPA-R09-OAR-2026-1684 · Last listed November 5, 2026
- Voluntary Consensus Standards Update; Formaldehyde Emission Standards for Composite Wood ProductsEPA-HQ-OPPT-2017-0245 · Last listed October 28, 2026
- Approval and Promulgation of Implementation Plans; Arizona; Revisions to the Cleaner Burning Gasoline, Winter Oxygenated Fuel, and Gasoline Set-Aside ProgramsEPA-R09-OAR-2023-0054 · Last listed October 19, 2026
- Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other ChangesEPA-HQ-OAR-2024-0505 · Last listed October 16, 2026
- Significant New Use Rules on Certain Chemical Substances (24-5.5e)EPA-HQ-OPPT-2024-0281 · Last listed October 15, 2026
- Significant New Use Rules on Certain Chemical Substances (26-1)EPA-HQ-OPPT-2026-0499 · Last listed October 15, 2026
- Clean Water Act Hazardous Substance Facility Response Plans: Compliance Date Delay and Changes To Reflect Administration PolicyEPA-HQ-OLEM-2021-0585 · Last listed October 13, 2026
- Colorado Underground Injection Control (UIC) Program; Class VI PrimacyEPA-HQ-OW-2025-2829 · Last listed October 13, 2026
- Air Plan Approval; Michigan; Clean Data Determination for the Berrien, MI and Muskegon, MI Areas for the 2015 Ozone StandardsEPA-R05-OAR-2026-1354 · Last listed October 9, 2026
- Air Plan Approval; Maryland; Reasonably Available Control Technology for Municipal Waste CombustorsEPA-R03-OAR-2019-0295 · Last listed October 8, 2026
- Air Plan Approval; Kentucky; Louisville Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQSEPA-R04-OAR-2024-0295 · Last listed October 8, 2026
- Air Plan Approval; GA; Removal of Nonattainment Area New Source ReviewEPA-R04-OAR-2024-0626 · Last listed October 8, 2026
- Air Plan Approval; Oklahoma; Interstate Transport Requirements for the 2010 SO2 NAAQSEPA-R06-OAR-2025-2270 · Last listed October 8, 2026
- Air Plan Approval; Missouri; Construction Permit ExemptionsEPA-R07-OAR-2026-5182 · Last listed October 8, 2026
- Air Plan Approval; Missouri; Control of NOX Emissions From Large Stationary Internal Combustion EnginesEPA-R07-OAR-2026-4819 · Last listed October 1, 2026
- Marine Protection: Modification To Expand Ocean Dredged Material Disposal Sites Offshore of Corpus Christi, TexasEPA-R06-OW-2025-3359 · Last listed September 28, 2026
- Air Plan Approval; Alabama; Transportation ConformityEPA-R04-OAR-2024-0362 · Last listed September 24, 2026
- Partial Repeal of the Carbon Pollution Standards for Fossil Fuel-Fired Electric Generating UnitsEPA-HQ-OAR-2025-0124 · Last listed September 17, 2026
- Approval and Promulgation of Implementation Plans; California; San Joaquin Valley, Revisions to Motor Vehicle Emissions Budgets for OzoneEPA-R09-OAR-2026-3400 · Last listed September 14, 2026
- Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQSEPA-R02-OAR-2025-1047 · Last listed September 9, 2026
- Air Plan Approvals; Indiana; Prong 4 (Visibility) for the 2015 Ozone National Ambient Air Quality StandardEPA-R05-OAR-2018-0788 · Last listed September 9, 2026
- Air Plan Approval; FL; Emissions Reporting Requirements and Permitting FormsEPA-R04-OAR-2024-0484 · Last listed August 27, 2026
- Air Plan Approval; Michigan; 2015 Ozone Moderate Reasonably Available Control TechnologyEPA-R05-OAR-2024-0137 · Last listed August 27, 2026
- Air Plan Approval; Arkansas; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R06-OAR-2022-0735 · Last listed August 27, 2026
- Deletion From the National Priorities ListEPA-HQ-OLEM-2025-0182 · Last listed August 20, 2026
- Air Plan Approval; SC; Department Name ChangeEPA-R04-OAR-2025-3625 · Last listed August 20, 2026
- Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard AreasEPA-R05-OAR-2025-0169 · Last listed August 20, 2026
- Air Plan Approval; Arizona; Attainment Plan for the Hayden SO2 Nonattainment Area for the 1971 and 2010 Sulfur Dioxide National Ambient Air Quality StandardsEPA-R09-OAR-2025-3821 · Last listed August 20, 2026
- Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc.EPA-R02-OAR-2025-3588 · Last listed August 14, 2026
- Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone StandardEPA-R05-OAR-2026-0695 · Last listed August 13, 2026
- Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment AreaEPA-R07-OAR-2026-0463 · Last listed August 13, 2026
- Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, CaliforniaEPA-R09-OAR-2026-2608 · Last listed August 13, 2026
- Air Plan Approval; Connecticut; Plan for Inclusion of a Consent Order No. 8383-Algonquin Gas Transmission, LLC and Negative Declaration for Rubber Tire Manufacturing SourcesEPA-R01-OAR-2025-0656 · Last listed August 6, 2026
- Air Plan Approval; Illinois; Moderate Attainment Plan Elements for the Chicago and Metro East Areas for the 2015 Ozone StandardEPA-R05-OAR-2024-0617 · Last listed August 6, 2026
- Operating Permit Program Approval; New Hampshire; Revised DefinitionsEPA-R01-OAR-2025-1608 · Last listed July 30, 2026
- Air Plan Approval; California; San Joaquin Valley Air Pollution Control DistrictEPA-R09-OAR-2025-1938 · Last listed July 30, 2026
- Perchloroethylene (PCE) and Carbon Tetrachloride (CTC); Regulation under the Toxic Substances Control Act (TSCA); Compliance Date ExtensionsEPA-HQ-OPPT-2026-0992 · Last listed July 28, 2026
- Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License RegulationEPA-R01-OAR-2025-0282 · Last listed July 23, 2026
- Air Plan Approval; Missouri; Control of Emissions During Petroleum Liquid Storage, Loading, and TransferEPA-R07-OAR-2025-3822 · Last listed July 23, 2026
- Air Plan Approval and Air Quality Designation; Ohio; Attainment Plan and Redesignation of the Canton Area to Attainment of the 2008 Lead StandardEPA-R05-OAR-2024-0461 · Last listed July 16, 2026
- Air Plan Approval; Iowa; Revisions to Iowa Air Quality RegulationsEPA-R07-OAR-2026-1156 · Last listed July 16, 2026
- Air Plan Revisions; California; Antelope Valley Air Quality Management District; New Source Review; Stationary Source PermitsEPA-R09-OAR-2025-0056 · Last listed July 16, 2026
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEPA-R05-OAR-2023-0635 · Last listed July 9, 2026
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEPA-R03-OAR-2025-0205 · Last listed July 2, 2026
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEPA-R06-OAR-2024-0031 · Last listed July 2, 2026
- Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone StandardEPA-R05-OAR-2025-3654 · Last listed June 29, 2026
- U.S. Ecology Nevada, Inc. High Mercury Subcategory Wastes Land Disposal Restrictions VarianceEPA-HQ-OLEM-2025-2038 · Last listed June 26, 2026
- Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit ProgramEPA-R03-OAR-2025-0734 · Last listed June 26, 2026
- Air Plan Approval; Ohio; Source-Specific Non-CTG RACT and SIP Strengthening for OhioEPA-R05-OAR-2025-0032 · Last listed June 26, 2026
- Air Plan Approval; Ohio; Source-Specific Non-CTG RACTEPA-R05-OAR-2025-0237 · Last listed June 26, 2026
- Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Louisiana; Control of Emissions From Existing Other Solid Waste Incineration UnitsEPA-R06-OAR-2026-0233 · Last listed June 26, 2026
- EPCRA Hazardous Chemical Inventory Reporting Requirements: Conformity With the 2024 OSHA Hazard Communication StandardEPA-HQ-OLEM-2025-0299 · Last listed June 22, 2026
- Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; CCR Management Unit Deadline Extension RuleEPA-HQ-OLEM-2020-0107 · Last listed June 12, 2026
- Air Plan Approval; Connecticut; Ozone Ambient Air Quality Standard and Adhesive and Sealants Regulation RevisionsEPA-R01-OAR-2025-1311 · Last listed June 11, 2026
- Finding of Failure To Attain the 2006 24-Hour PM2.5 Standards; California; San Joaquin Valley; Error CorrectionEPA-R09-OAR-2026-1257 · Last listed June 11, 2026
- Extending the Reporting Deadline Under the Greenhouse Gas Reporting Rule for 2025EPA-HQ-OAR-2025-0186 · Last listed June 5, 2026
- Clean Air Act Title V Operating Permit Program Revision; District of ColumbiaEPA-R03-OAR-2025-1614 · Last listed June 4, 2026
- 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, DEEPA-R03-OAR-2025-1872 · Last listed June 4, 2026
- Significant New Use Rules on Certain Chemical Substances (25-2.5e)EPA-HQ-OPPT-2025-0314 · Last listed May 29, 2026
- Air Plan Approval; New York; Athens Generating PlantEPA-R02-OAR-2025-0243 · Last listed May 29, 2026
- Approval of Source-Specific Air Quality Implementation Plan; New York; Calpine JFK Energy CenterEPA-R02-OAR-2025-0290 · Last listed May 29, 2026
- Air Plan Approval; Virginia; Repeal of Existing Stationary Source RegulationsEPA-R03-OAR-2025-0226 · Last listed May 29, 2026
- Approval and Promulgation of State Air Quality Plans (Negative Declarations) for Designated Facilities and Pollutants; District of ColumbiaEPA-R03-OAR-2025-1746 · Last listed May 29, 2026
- Air Plan Approval; Maryland; Clean Data Determination for the Baltimore, MD Nonattainment Area for the 2015 Ozone National Ambient Air Quality StandardsEPA-R03-OAR-2025-2532 · Last listed May 29, 2026
- 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 StandardsEPA-R03-OAR-2025-2831 · Last listed May 29, 2026
- Air Plan Approval; Indiana; Keystone VOC RACT Alternative ControlEPA-R05-OAR-2025-0092 · Last listed May 29, 2026
- Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Hawaii; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R09-OAR-2025-0152 · Last listed May 29, 2026
- Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020EPA-HQ-OAR-2025-0005 · Last listed May 26, 2026
- Reporting Deadline Extension for the Health and Safety Data Reporting Rule Under Toxic Substance Control Act (TSCA) Section 8(d)EPA-HQ-OPPT-2023-0360 · Last listed May 22, 2026
- Significant New Use Rules on Certain Chemical Substances (25-1.5e)EPA-HQ-OPPT-2024-0514 · Last listed May 22, 2026
- Air Plan Revisions; Arizona; Arizona Department of Environmental Quality; Gila County Reasonably Available Control TechnologyEPA-R09-OAR-2025-2961 · Last listed May 22, 2026
- Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category-Deadline ExtensionsEPA-HQ-OW-2009-0819 · Last listed May 18, 2026
- Air Plan Approval; Michigan; Infrastructure SIP Requirements for the 2015 Ozone NAAQS; Michigan State Board RequirementsEPA-R05-OAR-2019-0215 · Last listed May 14, 2026
- Air Plan Approval; Indiana; Indiana NOX Emissions MonitoringEPA-R05-OAR-2021-0761 · Last listed May 14, 2026
- Air Plan Approval; Minnesota; Metropolitan Council Wastewater Treatment Plant Title I PM10 SIP RevisionsEPA-R05-OAR-2024-0268 · Last listed May 14, 2026
- Air Plan Approval; Ohio; Clean Data Determination for the Cleveland, Ohio Area for the 2015 Ozone StandardEPA-R05-OAR-2026-0562 · Last listed May 14, 2026
- Air Plan Approval; Montana; Revisions to Western Sugar StipulationEPA-R08-OAR-2025-2070 · Last listed May 14, 2026
- 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 UnitsEPA-R03-OAR-2025-0487 · Last listed May 7, 2026
- Approval of Missouri's Request for Partial Program Delegation of Clean Air Act 112(r) Prevention of Accidental Release ProgramEPA-R07-OAR-2026-0497 · Last listed April 29, 2026
- 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 StandardsEPA-R01-OAR-2024-0325 · Last listed April 23, 2026
- Air Plan Approval; Virginia; Revision to the Regulatory Definition of Volatile Organic CompoundEPA-R03-OAR-2025-0225 · Last listed April 23, 2026
- Air Plan Approval; Missouri; Construction Permits RequiredEPA-R07-OAR-2025-3161 · Last listed April 23, 2026
- Air Plan Approval; Virginia; Amendment to the State Operating Permit for GP Big Island, LLCEPA-R03-OAR-2024-0385 · Last listed April 17, 2026
- National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final RepealEPA-HQ-OAR-2018-0794 · Last listed April 16, 2026
- Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter StandardEPA-R03-OAR-2025-1777 · Last listed April 16, 2026
- Air Plan Approval; California; Eastern Kern Air Pollution Control District; Portland Cement KilnsEPA-R09-OAR-2025-0058 · Last listed April 16, 2026
- Air Plan Approval; Arizona; Interstate Transport Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality StandardsEPA-R09-OAR-2025-0191 · Last listed April 16, 2026
- Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)EPA-HQ-OPPT-2020-0549 · Last listed April 13, 2026
- Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate ReviewEPA-HQ-OAR-2024-0358 · Last listed April 9, 2026
- Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, ArizonaEPA-R09-OAR-2025-2833 · Last listed April 6, 2026
- Air Plan Approval; Ohio; Ohio Permit Rules RevisionsEPA-R05-OAR-2025-0143 · Last listed April 2, 2026
- Air Plan Approval; Ohio; Muskingum River 2010 Sulfur Dioxide Redesignation and Maintenance PlanEPA-R05-OAR-2025-0165 · Last listed April 2, 2026
- Air Plan Approval; Michigan; Detroit 2010 Sulfur Dioxide Redesignation and Maintenance PlanEPA-R05-OAR-2025-0238 · Last listed April 2, 2026
- Air Plan Approval; California; Mojave Desert Air Quality Management District; Replacing Outdated RequirementsEPA-R09-OAR-2024-0210 · Last listed April 2, 2026
- National Emission Standards for Hazardous Air Pollutants: Chemical Manufacturing Area Sources Technology ReviewEPA-HQ-OAR-2024-0303 · Last listed April 1, 2026
- Air Plan Approval; New Hampshire; Single Source VOC RACT Order for Hutchinson Sealing SystemsEPA-R01-OAR-2025-1741 · Last listed March 23, 2026
- Air Plan Approval; Ohio; Volatile Organic Compounds RFD BeaufortEPA-R05-OAR-2025-0232 · Last listed March 23, 2026
- Air Plan Approval; Texas; Reasonably Available Control Technology in the Dallas-Fort Worth Ozone Nonattainment AreaEPA-R06-OAR-2020-0164 · Last listed March 23, 2026
- Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source PermitsEPA-R09-OAR-2025-0625 · Last listed March 23, 2026
- Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and Five-Year ReviewEPA-HQ-OAR-2017-0183 · Last listed March 10, 2026
- Deletion From the National Priorities ListEPA-HQ-OLEM-2025-1247 · Last listed March 4, 2026
- Air Plan Approval; AK; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R10-OAR-2023-0348 · Last listed March 3, 2026
- Air Plan Approval; Connecticut; State Implementation Plan Revisions Required as a Result of a Definition Change Due to the Ozone ReclassificationEPA-R01-OAR-2025-0196 · Last listed February 26, 2026
- Air Plan Approval; Michigan; Moderate Attainment Plan Elements for the Allegan County, Berrien County, and Muskegon County Areas for the 2015 Ozone StandardEPA-R05-OAR-2023-0515 · Last listed February 26, 2026
- Air Plan Approval; Missouri; Reporting Emission Data, Emission Fees, and Process InformationEPA-R07-OAR-2025-2830 · Last listed February 26, 2026
- Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides; Diphenylamine, et al.EPA-HQ-OPP-2025-0153 · Last listed February 20, 2026
- Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air ActEPA-HQ-OAR-2025-0194 · Last listed February 18, 2026
- Air Plan Approval; Ohio; Second Maintenance Plan for 2008 Ozone NAAQSEPA-R05-OAR-2024-0537 · Last listed February 12, 2026
- Air Plan Revisions; California; Heavy-Duty Vehicle Inspection and Maintenance ProgramEPA-R09-OAR-2025-0061 · Last listed February 6, 2026
- Approval and Promulgation of Air Quality Implementation Plans; Nevada; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R09-OAR-2025-0101 · Last listed February 6, 2026
- Air Plan Approval; Pennsylvania; Motor Vehicle Inspection and Maintenance Program Certification for Moderate Nonattainment Under the 2015 Ozone National Ambient Air Quality StandardsEPA-R03-OAR-2025-0130 · Last listed January 29, 2026
- Determination of Attainment by the Attainment Date and Clean Data Determination; California, San Joaquin Valley 1997 Annual PM2.5 Fine Particulate Matter Nonattainment AreaEPA-R09-OAR-2025-0292 · Last listed January 29, 2026
- Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation PeriodEPA-R05-OAR-2021-0963 · Last listed January 26, 2026
- Air Plan Approval; Oklahoma; Revisions to Air Pollution Control RulesEPA-R06-OAR-2025-0012 · Last listed January 26, 2026
- Air Plan Approval; Arkansas; Codification of the State Implementation PlanEPA-R06-OAR-2025-0015 · Last listed January 26, 2026
- Air Plan Disapproval; Colorado; Regional Haze Plan for the Second Implementation PeriodEPA-R08-OAR-2024-0607 · Last listed January 26, 2026
- Air Plan Approval; Ohio; 2015 Ozone Moderate Reasonably Available Control TechnologyEPA-R05-OAR-2022-0352 · Last listed January 20, 2026
- Air Plan Approval; New York; Ortho Clinical DiagnosticsEPA-R02-OAR-2024-0494 · Last listed January 9, 2026
- Air Plan Approval; Indiana; Huntington County 2010 Sulfur Dioxide Redesignation and Maintenance PlanEPA-R05-OAR-2024-0378 · Last listed January 9, 2026
- Air Plan Approval; Kentucky; Emissions Inventory and Nonattainment New Source Review for the Henderson-Webster Sulfur Dioxide Nonattainment AreaEPA-R04-OAR-2025-0023 · Last listed January 8, 2026
- Air Plan Approval; California; Mojave Desert Air Quality Management District; Definition of TermsEPA-R09-OAR-2022-0858 · Last listed January 8, 2026
- Utah; Northern Wasatch Front; 2015 8-Hour Ozone Nonattainment Area Boundary Expansion and Applicability of Certain Clean Air Act RequirementsEPA-R08-OAR-2025-0001 · Last listed January 6, 2026
- Air Plan Revision; California; Placer County Air Pollution Control District; New Source ReviewEPA-R09-OAR-2024-0620 · Last listed January 6, 2026
- Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control DistrictEPA-R09-OAR-2025-0300 · Last listed January 6, 2026
- National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to OklahomaEPA-R06-OAR-2020-0086 · Last listed January 2, 2026
- New Source Performance Standards; Delegation of Authority to OklahomaEPA-R06-OAR-2010-0580 · Last listed December 18, 2025
- New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to LouisianaEPA-R06-OAR-2010-1054 · Last listed December 18, 2025
- Air Plan Approval; Tennessee; Second Period Regional Haze PlanEPA-R04-OAR-2019-0308 · Last listed December 11, 2025
- Air Plan Approval; Ohio; Carmeuse Lime, Inc. SO2EPA-R05-OAR-2024-0549 · Last listed December 11, 2025
- Air Plan Approval; California; South Coast Air Quality Management DistrictEPA-R09-OAR-2025-0199 · Last listed December 11, 2025
- Air Plan Approval; Montana; Regional Haze Plan for the Second Implementation PeriodEPA-R08-OAR-2024-0608 · Last listed November 28, 2025
- Air Plan Approval; Rhode Island; Decommissioning of Stage II Vapor Recovery SystemsEPA-R01-OAR-2024-0188 · Last listed November 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 ProtectionEPA-R01-OAR-2025-0655 · Last listed November 20, 2025
- Air Plan Approval; South Carolina; Charlotte-Gastonia-Rock Hill Area Maintenance Plan for the 2008 8-Hour Ozone NAAQSEPA-R04-OAR-2024-0558 · Last listed November 20, 2025
- Air Plan Approval; Minnesota; Exempt Source SIP RevisionEPA-R05-OAR-2021-0684 · Last listed November 20, 2025
- Air Plan Approval; California; Eastern Kern Air Pollution Control District; Stationary Combustion TurbinesEPA-R09-OAR-2025-0060 · Last listed November 20, 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 RevisionsEPA-R08-OAR-2020-0098 · Last listed November 19, 2025
- Air Plan Approval; Arizona; Maricopa County Air Quality Department; Petroleum Solvent Dry CleaningEPA-R09-OAR-2025-0303 · Last listed November 19, 2025
- Air Plan Approval; Vermont; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R01-OAR-2025-0142 · Last listed November 18, 2025
- Air Plan Approval; Connecticut; 2014 and 2017 Periodic Emissions Inventory for 2008 8-Hour Ozone NAAQSEPA-R01-OAR-2025-0240 · Last listed November 18, 2025
- Air Plan Approval; Rhode Island; Amendments to Motor Vehicle Inspection and Maintenance ProgramEPA-R01-OAR-2025-0249 · Last listed November 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 StandardEPA-R02-OAR-2024-0288 · Last listed November 18, 2025
- Air Plan Approval; Pennsylvania; Redesignation of the Beaver 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 StandardEPA-R03-OAR-2024-0624 · Last listed November 18, 2025
- Air Plan Approval; State of Kansas; Attainment Redesignation for 2008 Lead NAAQS and Associated Maintenance PlanEPA-R07-OAR-2025-0693 · Last listed November 18, 2025
- Air Plan Approval; IA, Muscatine; 2010 1-Hour SO2 Maintenance Plan and RedesignationEPA-R07-OAR-2025-0818 · Last listed November 18, 2025
- Air Plan Approval; Montana: Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality StandardsEPA-R08-OAR-2019-0418 · Last listed November 18, 2025
- Air Plan Approval; Colorado; Inspection and Maintenance Program RevisionEPA-R08-OAR-2024-0468 · Last listed November 18, 2025
- Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-Hour PM2.5 Serious Area and 189(d) PlanEPA-R10-OAR-2024-0595 · Last listed November 18, 2025
- Texas Underground Injection Control (UIC) Program; Class VI Primacy ApplicationEPA-HQ-OW-2025-0157 · Last listed November 14, 2025
- Methylene Chloride; Regulation Under the Toxic Substances Control Act (TSCA); Compliance Date ExtensionEPA-HQ-OPPT-2020-0465 · Last listed November 13, 2025
- Air Plan Approval; Utah; Interstate Transport of Air Pollution for the 2008 8-Hour Ozone National Ambient Air Quality StandardEPA-R08-OAR-2025-0054 · Last listed November 10, 2025
- Significant New Use Rules on Certain Chemical Substances (24-4.5e)EPA-HQ-OPPT-2024-0332 · Last listed November 4, 2025
- Determination of Attainment by the Attainment Date; California; Mariposa County; 2015 8-Hour Ozone National Ambient Air Quality StandardsEPA-R09-OAR-2025-0084 · Last listed October 30, 2025
- Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Revisions to Regulation for Control of Ozone Season Nitrogen Oxide EmissionsEPA-R03-OAR-2024-0513 · Last listed October 2, 2025
- Air Plan Approval; North Carolina; Revisions to Regulations for Sulfur Dioxide Emissions From Combustion SourcesEPA-R04-OAR-2024-0163 · Last listed October 2, 2025
- Air Plan Approval; Alabama; Standards for Granting Permits and Major New Source Review Permit RulesEPA-R04-OAR-2024-0387 · Last listed October 2, 2025
- Air Plan Approval; GA; Updates to the Cross-State Air Pollution RuleEPA-R04-OAR-2024-0606 · Last listed October 2, 2025
- Air Plan Approval; GA; Removal of Emissions Statements Requirement and Updates To Permit by RuleEPA-R04-OAR-2025-0045 · Last listed October 2, 2025
- Air Plan Approval; West Virginia; 2024 Amendments to West Virginia's Ambient Air Quality StandardsEPA-R03-OAR-2024-0581 · Last listed September 25, 2025
- Air Plan Approval; Delaware; Motor Vehicle Inspection and Maintenance Program CertificationEPA-R03-OAR-2025-0133 · Last listed September 25, 2025
- Air Plan Approval; Missouri; Definitions and Common Reference TablesEPA-R07-OAR-2025-0289 · Last listed September 25, 2025
- Air Plan Approval; California; San Joaquin Valley 1-Hour Ozone Area; Maintenance Plan and Redesignation RequestEPA-R09-OAR-2024-0611 · Last listed September 25, 2025
- Air Plan Approval; Washington; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R10-OAR-2024-0541 · Last listed September 25, 2025
- Air Plan Approval; Guam; Clean Data Determination for the Piti-Cabras Nonattainment Area for the 2010 1-Hour Sulfur Dioxide National Ambient Air Quality StandardEPA-R09-OAR-2025-0137 · Last listed September 18, 2025
- Air Plan Approval; Guam; Guam Environmental Protection Agency; New Source ReviewEPA-R09-OAR-2025-0216 · Last listed September 18, 2025
- Arizona Underground Injection Control (UIC) Program; Class I-VI PrimacyEPA-HQ-OW-2025-0087 · Last listed September 15, 2025
- Air Plan Approval; New Jersey; Memorandum of Agreement To Address NOX SIP Call RequirementsEPA-R02-OAR-2025-0088 · Last listed September 11, 2025
- Air Plan Approval; Michigan; Second Period Regional Haze PlanEPA-R05-OAR-2021-0577 · Last listed September 5, 2025
- Air Plan Approval; Missouri; Control of Sulfur Dioxide Emissions and Approval and Promulgation of State Plan (Negative Declaration) for Designated Facilities and PollutantsEPA-R07-OAR-2025-0263 · Last listed September 5, 2025
- Air Plan Approval; California; State Implementation Plan Revision for Chico, Modesto and Stockton Carbon Monoxide Maintenance AreasEPA-R09-OAR-2024-0473 · Last listed September 5, 2025
- Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality StandardsEPA-R09-OAR-2024-0570 · Last listed September 5, 2025
- Approval of Air Quality Implementation Plans; California; Regional Haze State Implementation Plan for the Second Implementation PeriodEPA-R09-OAR-2025-0203 · Last listed September 5, 2025
- Air Plan Approval; Texas; Interstate Transport Requirements for the 2010 SO2 NAAQSEPA-R06-OAR-2013-0388 · Last listed August 28, 2025
- Air Plan Approval; South Dakota; Regional Haze Plan for the Second Implementation PeriodEPA-R08-OAR-2024-0609 · Last listed August 28, 2025
- Approval and Promulgation of State Implementation Plans; New York; Emission Statement Certification of the 2008 and 2015 Ozone National Ambient Air Quality StandardsEPA-R02-OAR-2025-0040 · Last listed August 14, 2025
- Finding of Failure To Attain; Air Plan Approval; Indiana; Huntington County Sulfur Dioxide Attainment PlanEPA-R05-OAR-2023-0564 · Last listed August 14, 2025
- Air Plan Approval; Missouri; Removal of Obsolete Rules on Control of NOX EmissionsEPA-R07-OAR-2025-0138 · Last listed August 14, 2025
- Air Plan Approval; IA; Alter Metal Recycling Permit ModificationEPA-R07-OAR-2025-0200 · Last listed August 14, 2025
- Air Plan Approval; Pennsylvania; Redesignation Request and Associated Maintenance Plan for the Liberty-Clairton Area for the 1997 Annual and 2006 24-Hour Fine Particulate Matter Standard and Maintenance Plan for the Allegheny County Area for the 2012 Annual Fine Particulate Matter StandardEPA-R03-OAR-2024-0586 · Last listed August 8, 2025
- Air Plan Approval; Connecticut; 2017 Base Year Emissions Inventory for the 2015 8-Hour Ozone National Ambient Air Quality StandardsEPA-R01-OAR-2025-0076 · Last listed July 16, 2025
- Air Plan Approval; Louisiana; Nonattainment Plan for the Evangeline Parish 2010 Sulfur Dioxide Primary National Ambient Air Quality Standard Nonattainment AreaEPA-R06-OAR-2025-0173 · Last listed July 10, 2025
- Air Plan Approval; Missouri; Control of Emissions During Petroleum Liquid Storage, Loading, and TransferEPA-R07-OAR-2025-0175 · Last listed July 10, 2025
- Air Plan Approval; Florida; Revisions to Stationary Sources-Removal of Clean Air Interstate Rule ProvisionsEPA-R04-OAR-2024-0049 · Last listed July 7, 2025
- Air Plan Approval; Ohio; Moderate Attainment Plan Elements for the Cleveland Area for the 2015 Ozone StandardEPA-R05-OAR-2022-0983 · Last listed July 7, 2025
- Air Plan Approval; Louisiana; Interstate Transport Requirements for the 2010 SO2 NAAQSEPA-R06-OAR-2013-0465 · Last listed July 7, 2025
- Air Plan Approval; Alabama; Administrative Corrections and VOC DefinitionEPA-R04-OAR-2024-0174 · Last listed May 9, 2025
- Air Plan Approval; Kansas; Annual Emission Inventory and FeesEPA-R07-OAR-2023-0462 · Last listed April 28, 2025
About this timeline
How the records were matched
America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.
A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.
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