Federal rules by agency
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Federal rules by agency
Agencies carry out laws by writing rules. Final rules have the force of law; proposed rules are open for public comment first. Counts and lists come from the Federal Register.
Environmental Protection Agency: Newest final rules (181)
The newest 2,000 final rules published from 2026-03-25 to 2026-11-16; older rules: not collected here, see the Federal Register.
- Approval of Missouri's Request for Partial Program Delegation of Clean Air Act 112(r) Prevention of Accidental Release Program
2026-04-29 · Environmental Protection Agency · effective 2026-05-29 · 2026-08348 - 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
2026-04-23 · Environmental Protection Agency · effective 2026-05-26 · 2026-07889 - Air Plan Approval; Virginia; Revision to the Regulatory Definition of Volatile Organic Compound
2026-04-23 · Environmental Protection Agency · effective 2026-05-26 · 2026-07885 - Air Plan Approval; Missouri; Construction Permits Required
2026-04-23 · Environmental Protection Agency · effective 2026-05-26 · 2026-07884 - Pesticide Tolerances; Implementing Registration Review Decisions for Certain Pesticides (Hydrogen Cyanide, et al.)
2026-04-22 · Environmental Protection Agency · effective 2026-04-22 · 2026-07794 - Methoxyfenozide; Pesticide Tolerances
2026-04-17 · Environmental Protection Agency · effective 2026-04-17 · 2026-07560 - Air Plan Approval; Virginia; Amendment to the State Operating Permit for GP Big Island, LLC
2026-04-17 · Environmental Protection Agency · effective 2026-05-18 · 2026-07527 - Air Plan Approval; Arizona; Interstate Transport Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standards
2026-04-16 · Environmental Protection Agency · effective 2026-05-18 · 2026-07400 - Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter Standard
2026-04-16 · Environmental Protection Agency · effective 2026-05-18 · 2026-07399 - Air Plan Approval; California; Eastern Kern Air Pollution Control District; Portland Cement Kilns
2026-04-16 · Environmental Protection Agency · effective 2026-05-18 · 2026-07398 - National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units: Final Repeal; Correction
2026-04-16 · Environmental Protection Agency · significant · effective 2026-04-27 · 2026-07396 - Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)
2026-04-13 · Environmental Protection Agency · effective 2026-04-13 · 2026-07062 - 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
2026-04-10 · Environmental Protection Agency · effective 2026-04-10 · 2026-06954 - Polyethylhexyl Glycidyl Ether Polyethylene Oxide Copolymer in Pesticide Formulations; Exemption From the Requirement for a Tolerance
2026-04-10 · Environmental Protection Agency · effective 2026-04-10 · 2026-06953 - 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
2026-04-09 · Environmental Protection Agency · effective 2026-05-11 · 2026-06838 - 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
2026-04-09 · Environmental Protection Agency · effective 2026-05-11 · 2026-06837 - Air Plan Approval; Missouri; Revisions to Existing Rule 10 CSR 10-5.570; Control of Sulfur Emissions From Stationary Boilers
2026-04-09 · Environmental Protection Agency · effective 2026-06-08 · 2026-06832 - Reconsideration of Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review
2026-04-09 · Environmental Protection Agency · significant · effective 2026-06-08 · 2026-06808 - Citrus Tristeza Virus (CTV) Strain T36 Expressing Spinach Defensin Proteins SoD2, SoD2-1, and SoD2*; Exemption From the Requirement of a Tolerance
2026-04-07 · Environmental Protection Agency · effective 2026-04-07 · 2026-06686 - 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
2026-04-06 · Environmental Protection Agency · C1-2026-05601 - Lead-Based Paint Poisoning Prevention in Certain Residential Structures
2026-04-02 · Environmental Protection Agency · 2026-06404 - Air Plan Approval; Ohio; Ohio Permit Rules Revisions
2026-04-02 · Environmental Protection Agency · effective 2026-05-04 · 2026-06398 - Air Plan Approval; Ohio; Muskingum River 2010 Sulfur Dioxide Redesignation and Maintenance Plan
2026-04-02 · Environmental Protection Agency · effective 2026-04-02 · 2026-06397 - Air Plan Approval; Michigan; Detroit 2010 Sulfur Dioxide Redesignation and Maintenance Plan
2026-04-02 · Environmental Protection Agency · effective 2026-04-02 · 2026-06396 - Ohio: Authorization of State Hazardous Waste Management Program Revisions
2026-04-02 · Environmental Protection Agency · effective 2026-04-02 · 2026-06395 - Air Plan Approval; Oregon; 2024 Vehicle Inspection Program Updates
2026-04-02 · Environmental Protection Agency · effective 2026-05-04 · 2026-06388 - Air Quality Plan; California; Mojave Desert Air Quality Management District; Replacing Outdated Requirements; Correction
2026-04-02 · Environmental Protection Agency · effective 2026-04-02 · 2026-06386 - Air Plan Approval; Connecticut; New Source Review Permit Program State Plan Revision
2026-04-02 · Environmental Protection Agency · effective 2026-05-04 · 2026-06384 - National Emission Standards for Hazardous Air Pollutants: Chemical Manufacturing Area Sources Technology Review
2026-04-01 · Environmental Protection Agency · effective 2026-04-01 · 2026-06304 - Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes
2026-04-01 · Environmental Protection Agency · significant · effective 2026-06-15 · 2026-06275 - Florida: Final Authorization of State Hazardous Waste Management Program Revisions
2026-03-26 · Environmental Protection Agency · effective 2026-05-26 · 2026-05862
Rules by agency
Showing 40 of 175. Show all 175
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Source: Federal Register API (Office of the Federal Register, National Archives). Collected Nov 14, 2026 11:45 PM CST.