Data / Federal rules / 2026-01410

Air Plan Approval; Arkansas; Codification of the State Implementation Plan

The Environmental Protection Agency published this final rule in the Federal Register on January 26, 2026. It took effect on February 25, 2026.

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What the agency says

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving revisions to the Arkansas State Implementation Plan (SIP) submitted by the Arkansas Department of Energy and Environment (ADEE) to the EPA on February 4, 2025. The revisions address the codification of the Arkansas Pollution Control and Ecology Commission (APC & EC) Rule 19 and Regulations 9, 26, and 31 into the Code of Arkansas Rules (CAR). The revisions are non-substantive formatting edits and do not relax or introduce new rules to the approved SIP.

Key facts

Document number: 2026-01410
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: January 26, 2026
Takes effect: February 25, 2026
Dates: This rule is effective on February 25, 2026.
Docket: EPA-R06-OAR-2025-0015; FRL-12949-02-R6
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 9

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in January 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.