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Data / Federal rules / 2025-04908

Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-Hour PM2.5 Serious Area and 189(d) Plan

The Environmental Protection Agency published this proposed rule in the Federal Register on March 24, 2025. It took effect on January 8, 2025. Comments closed on April 23, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is reopening the public comment period on the proposed rule entitled "Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-hour PM<INF>2.5</INF> Serious Area and 189(d) Plan" published on January 8, 2025. Commenters requested more time to review the proposal and prepare comments. In response, the EPA is providing an additional 30 days for the public to provide comment on all aspects of the proposed rule. The January 8, 2025, notice of proposed rulemaking also started the EPA's adequacy process for the motor vehicle emissions budgets and began the public comment period for that process. The EPA is not reopening the public comment period for the adequacy process, and it intends to proceed with the adequacy process outside of this rulemaking.

Key facts

Document number
2025-04908
Type
Proposed rule
Action
Proposed rule; reopening of comment period
Agency
Environmental Protection Agency
Published
March 24, 2025
Takes effect
January 8, 2025
Comments due
April 23, 2025
Dates
The comment period for the proposed rule published on January 8, 2025, at 90 FR 1600, is reopened to allow more time to review the proposal and prepare comments. The EPA is reopening the comment period and the comments must be received on or before April 23, 2025.
Docket
EPA-R10-OAR-2024-0595; FRL-12391-05-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
2

The document on federalregister.gov PDF

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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.