Federal Register
2,203 documents (filtered)
Proposed Rule
2025-20497
Finding of Failure To Attain and Reclassification of Tribal Portions of the Greater Connec...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Proposed Rule
2025-20416
Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit Program
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Proposed Rule
2025-20463
Air Plan Approval; Connecticut; Ozone Ambient Air Quality Standard and Adhesive and Sealan...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Proposed Rule
2025-20444
Air Plan Approval; Rhode Island; Regional Haze State Implementation Plan for the Second Im...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Final Rule
2025-20407
Air Plan Approval; California; Eastern Kern Air Pollution Control District; Stationary Com...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Eff: Dec 22, 2025
Final Rule
2025-20458
Air Plan Approval; Rhode Island; Decommissioning of Stage II Vapor Recovery Systems
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Eff: Dec 22, 2025
Notice
2025-20440
Notice of November 2025 Decisions on Petitions for Small Refinery Exemptions Under the Ren...
Environmental Protection Agency
Nov 20, 2025
Notice
2025-20412
Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating...
Environmental Protection Agency
Nov 20, 2025
Notice
2025-20414
Clean Air Act Operating Permit Program; Order on Petitions for Objection to State Operatin...
Environmental Protection Agency
Nov 20, 2025
Final Rule
2025-20492
Air Plan Approval; Minnesota; Exempt Source SIP Revision
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Eff: Dec 22, 2025
Proposed Rule
2025-20402
Updated Definition of “Waters of the United States”
Defense Department, Engineers Corps
CFR: 33 CFR 328, 40 CFR 120
Nov 20, 2025
Final Rule
2025-20399
Glufosinate; Pesticide Tolerances
Environmental Protection Agency
CFR: 40 CFR 180
Nov 20, 2025
Eff: Nov 20, 2025
Proposed Rule
2025-20409
Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for t...
Environmental Protection Agency
CFR: 40 CFR 81
Nov 20, 2025
Notice
2025-20410
Agency Information Collection Activities Request; Submission to the Office of Management a...
Environmental Protection Agency
Nov 20, 2025
Proposed Rule
2025-20498
Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License Regulation
Environmental Protection Agency
CFR: 40 CFR 70
Nov 20, 2025
Proposed Rule
2025-20499
Air Plan Approval; New York; Athens Generating Plant
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Proposed Rule
2025-20441
Air Plan Approval; Minnesota; Metropolitan Council Wastewater Treatment Plant Title I PM10...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Proposed Rule
2025-20418
Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Notice
2025-20453
Clean Air Act Tribal Minor New Source Review Permit Issued to Agua Caliente Tribal Corpora...
Environmental Protection Agency
Nov 20, 2025
Notice
2025-20439
Phasedown of Hydrofluorocarbons: Notice of 2026 Allowance Allocations for Production and C...
Environmental Protection Agency
Nov 20, 2025
Notice
2025-20476
Acid Rain Program: Excess Emissions Penalty Inflation Adjustments
Environmental Protection Agency
Nov 20, 2025
Notice
2025-20417
Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating...
Environmental Protection Agency
Nov 20, 2025
Final Rule
2025-20372
Approval of the Clean Air Act, Section 112(l), Authority for Hazardous Air Pollutants; Sta...
Environmental Protection Agency
CFR: 40 CFR 70
Nov 20, 2025
Eff: Dec 22, 2025
Final Rule
2025-20449
Air Plan Approval; South Carolina; Charlotte-Gastonia-Rock Hill Area Maintenance Plan for ...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 20, 2025
Eff: Dec 22, 2025
Final Rule
2025-20352
Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo...
Environmental Protection Agency
CFR: 40 CFR 52, 40 CFR 81
Nov 19, 2025
Eff: Dec 19, 2025
Final Rule
2025-20354
Air Plan Approval; Arizona; Maricopa County Air Quality Department; Petroleum Solvent Dry ...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 19, 2025
Eff: Dec 19, 2025
Notice
2025-20240
1,2-Dichloroethane; Draft Risk Evaluation Under the Toxic Substances Control Act (TSCA); N...
Environmental Protection Agency
Nov 19, 2025
Proposed Rule
2025-20357
Determination of Attainment by the Attainment Date but for International Emissions for the...
Environmental Protection Agency
CFR: 40 CFR 52
Nov 19, 2025
Notice
2025-20072
Agency Information Collection Activities; Proposed Renewal Collection and Request for Comm...
Environmental Protection Agency
Nov 18, 2025
Notice
2025-20074
Agency Information Collection Activities; Proposed Renewal Collection and Request for Comm...
Environmental Protection Agency
Nov 18, 2025
Understanding This Page
The Federal Register is the daily journal of the U.S. government. Proposed rules invite public comment before becoming law. Final rules have completed the comment process and are (or will become) legally binding. FRTracker extracts obligations from these documents—the specific things people or organizations must, may, or must not do.