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.
- Significant New Use Rules on Certain Chemical Substances (24-5.5e)
2026-08-26 · Environmental Protection Agency · effective 2026-10-26 · 2026-17400 - Carboxin; Pesticide Tolerances
2026-08-21 · Environmental Protection Agency · effective 2026-08-21 · 2026-17088 - Air Plan Approval; SC; Department Name Change
2026-08-20 · Environmental Protection Agency · effective 2026-09-21 · 2026-16990 - Air Plan Approval; Arizona; Attainment Plan for the Hayden SO2 Nonattainment Area for the 1971 and 2010 Sulfur Dioxide National Ambient Air Quality Standards
2026-08-20 · Environmental Protection Agency · effective 2026-09-21 · 2026-16989 - Deletion From the National Priorities List
2026-08-20 · Environmental Protection Agency · effective 2026-08-20 · 2026-16988 - Air Plan Approval; Wisconsin; Moderate Attainment Plan Elements for Wisconsin's 2015 Ozone Standard Areas
2026-08-20 · Environmental Protection Agency · effective 2026-09-21 · 2026-16986 - Cypermethrin; Pesticide Tolerance(s)
2026-08-20 · Environmental Protection Agency · effective 2026-08-20 · 2026-16973 - Calcium Carbonate; Exemption From the Requirement of a Pesticide Tolerance
2026-08-17 · Environmental Protection Agency · effective 2026-08-17 · 2026-16720 - Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc.
2026-08-14 · Environmental Protection Agency · effective 2026-09-14 · 2026-16627 - Air Plan Approval; Missouri; Clean Data Determination for the 2015 8-Hour Ozone Standard for the Missouri Portion of the St. Louis Nonattainment Area
2026-08-13 · Environmental Protection Agency · effective 2026-09-14 · 2026-16515 - Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone Standard
2026-08-13 · Environmental Protection Agency · effective 2026-09-14 · 2026-16514 - Determination of Attainment by the Attainment Date; 1997 Ozone Standards; California; Coachella Valley
2026-08-13 · Environmental Protection Agency · effective 2026-09-14 · 2026-16511 - Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California
2026-08-13 · Environmental Protection Agency · effective 2026-09-14 · 2026-16510 - Determination To Defer Sanctions; Arizona; Maricopa County Air Quality Department; Gasoline Loading
2026-08-11 · Environmental Protection Agency · effective 2026-08-11 · 2026-16334 - 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
2026-08-07 · Environmental Protection Agency · effective 2026-08-07 · 2026-16123 - Bacillus thuringiensis eCry1Gb.1Ig Protein; Exemption From the Requirement of a Pesticide Tolerance
2026-08-07 · Environmental Protection Agency · effective 2026-08-07 · 2026-16120 - 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
2026-08-06 · Environmental Protection Agency · effective 2026-09-08 · 2026-15986 - Alaska: Final Authorization of State Hazardous Waste Program
2026-08-06 · Environmental Protection Agency · effective 2026-08-06 · 2026-15984 - Isofetamid; Pesticide Tolerances
2026-08-04 · Environmental Protection Agency · effective 2026-08-04 · 2026-15761 - Permethrin; Pesticide Tolerances
2026-08-03 · Environmental Protection Agency · effective 2026-08-03 · 2026-15634 - Air Plan Approval; Rhode Island; Update to Materials Incorporated by Reference
2026-07-31 · Environmental Protection Agency · effective 2026-07-31 · 2026-15493 - Air Plan Approval; California; San Joaquin Valley Air Pollution Control District
2026-07-30 · Environmental Protection Agency · effective 2026-08-31 · 2026-15377 - Operating Permit Program Approval; New Hampshire; Revised Definitions
2026-07-30 · Environmental Protection Agency · effective 2026-08-31 · 2026-15363 - Perchloroethylene (PCE) and Carbon Tetrachloride (CTC); Regulation under the Toxic Substances Control Act (TSCA); Compliance Date Extensions
2026-07-28 · Environmental Protection Agency · effective 2026-07-28 · 2026-15192 - Epyrifenacil; Pesticide Tolerances; Correction
2026-07-28 · Environmental Protection Agency · effective 2026-07-28 · 2026-15191 - Significant New Use Rule on a Certain Chemical Substance; Multi-Walled Carbon Nanotubes
2026-07-24 · Environmental Protection Agency · effective 2026-09-22 · 2026-14994 - Air Plan Approval; Maine; Chapter 140: Part 70 Air Emission License Regulation
2026-07-23 · Environmental Protection Agency · effective 2026-08-24 · 2026-14885 - Air Plan Approval; Missouri; Control of Emissions During Petroleum Liquid Storage, Loading, and Transfer
2026-07-23 · Environmental Protection Agency · effective 2026-08-24 · 2026-14880 - New Source Performance Standards Review for Stationary Combustion Turbines and Stationary Gas Turbines; Correction
2026-07-16 · Environmental Protection Agency · effective 2026-08-17 · 2026-14371 - Approval and Promulgation of State Plan (Negative Declaration) for Designated Facilities and Pollutants; Nebraska; Commercial and Industrial Solid Waste Incineration Units
2026-07-16 · Environmental Protection Agency · effective 2026-09-14 · 2026-14330 - 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)
2026-07-16 · Environmental Protection Agency · effective 2026-07-16 · 2026-14326 - Air Plan Approval; Iowa; Revisions to Iowa Air Quality Regulations
2026-07-16 · Environmental Protection Agency · effective 2026-08-17 · 2026-14322 - Air Plan Approval and Air Quality Designation; Ohio; Attainment Plan and Redesignation of the Canton Area to Attainment of the 2008 Lead Standard
2026-07-16 · Environmental Protection Agency · effective 2026-07-16 · 2026-14318 - Air Plan Revisions; California; Antelope Valley Air Quality Management District; New Source Review; Stationary Source Permits
2026-07-16 · Environmental Protection Agency · effective 2026-08-17 · 2026-14317 - 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
2026-07-14 · Environmental Protection Agency · effective 2026-07-14 · 2026-14114 - Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment Area
2026-07-09 · Environmental Protection Agency · effective 2026-07-09 · 2026-13843 - National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood Products
2026-07-06 · Environmental Protection Agency · effective 2026-07-06 · 2026-13550 - Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP Provisions
2026-07-02 · Environmental Protection Agency · effective 2026-08-03 · 2026-13398 - Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment Area
2026-07-02 · Environmental Protection Agency · effective 2026-08-03 · 2026-13396 - Fluoxapiprolin; Pesticide Tolerances
2026-06-30 · Environmental Protection Agency · effective 2026-06-30 · 2026-13198 - Epyrifenacil; Pesticide Tolerances
2026-06-30 · Environmental Protection Agency · effective 2026-06-30 · 2026-13193 - Chlormequat Chloride; Pesticide Tolerances
2026-06-30 · Environmental Protection Agency · effective 2026-06-30 · 2026-13185 - Diflufenican; Pesticide Tolerances
2026-06-30 · Environmental Protection Agency · effective 2026-06-30 · 2026-13180 - Bifenthrin; Pesticide Tolerances
2026-06-30 · Environmental Protection Agency · effective 2026-06-30 · 2026-13174 - Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone Standard
2026-06-29 · Environmental Protection Agency · effective 2026-06-29 · 2026-13027 - U.S. Ecology Nevada, Inc. High Mercury Subcategory Wastes Land Disposal Restrictions Variance
2026-06-26 · Environmental Protection Agency · significant · effective 2026-07-27 · 2026-12927 - Air Plan Approval; Ohio; Source-Specific Non-CTG RACT and SIP Strengthening for Ohio
2026-06-26 · Environmental Protection Agency · effective 2026-06-26 · 2026-12921 - Air Plan Approval; Ohio; Source-Specific Non-CTG RACT
2026-06-26 · Environmental Protection Agency · effective 2026-06-26 · 2026-12920 - Cinnamaldehyde in Pesticide Formulations; Exemption From the Requirement for a Tolerance
2026-06-26 · Environmental Protection Agency · effective 2026-06-26 · 2026-12913 - Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit Program
2026-06-26 · Environmental Protection Agency · effective 2026-07-27 · 2026-12898
Rules by agency
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Source: Federal Register API (Office of the Federal Register, National Archives). Collected Nov 14, 2026 11:45 PM CST.