Data / Federal rules / 2025-04039

Air Plan Revisions; Arizona; Arizona Department of Environmental Quality; Reopening of Comment Period

The Environmental Protection Agency published this proposed rule in the Federal Register on March 18, 2025. It took effect on January 17, 2025. Comments closed on April 21, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is reopening the comment period for a proposed rule published January 17, 2025. The comment period end date for the proposed rule was February 18, 2025. In response to commenter request, the EPA is now reopening the comment period for the proposed rule until April 21, 2025. All comments received on or before April 21, 2025, will be entered into the public record and considered by EPA before taking final action on the proposed rule. Comments submitted between the close of the original comment period and the reopening of this comment period will be accepted and considered.

Key facts

Document number: 2025-04039
Type: Proposed rule
Action: Proposed rule; reopening of comment period
Agency: Environmental Protection Agency
Published: March 18, 2025
Takes effect: January 17, 2025
Comments due: April 21, 2025
Dates: The comment period for the proposed rule published on January 17, 2025, at 90 FR 5790, is reopened. Comments must be received on or before April 21, 2025.
Docket: EPA-R09-OAR-2024-0600; FRL-12508-03-R9
Code of Federal Regulations: 40 CFR 52
Pages: 2

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Published in March 2025

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.