Data / Federal rules / 2026-02478

Air Plan Approval; AK; Updates to Materials Incorporated by Reference

The Environmental Protection Agency published this final rule in the Federal Register on February 9, 2026. It took effect on February 9, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Alaska State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by the State of Alaska and approved by the EPA. This update affects the materials that are available for public inspection at the EPA Regional Office and the National Archives and Records Administration.

Key facts

Document number: 2026-02478
Type: Final rule
Action: Final rule; administrative change
Agency: Environmental Protection Agency
Published: February 9, 2026
Takes effect: February 9, 2026
Dates: This action is effective February 9, 2026.
Docket: EPA-R10-OAR-2025-3357; FRL-13106-01-R10
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 3

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon monoxide · Rules on environmental protection · Published in February 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.