Data / Federal rules / 2026-01319

Proposed Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE; Extension of Comment Period

The Environmental Protection Agency published this proposed rule in the Federal Register on January 23, 2026. It took effect on January 2, 2026. Comments closed on February 9, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is extending the comment period for a proposed rule that published January 2, 2026. The current comment period for the proposed rule was scheduled to close on February 2, 2026. The EPA is extending the comment period for the proposed action to February 9, 2026.

Key facts

Document number: 2026-01319
Type: Proposed rule
Action: Proposed rule; extension of comment period
Agency: Environmental Protection Agency
Published: January 23, 2026
Takes effect: January 2, 2026
Comments due: February 9, 2026
Dates: The comment period for the proposed rule published on January 2, 2026 (91 FR 98) was originally scheduled to close on February 2, 2026, but the comment period is being extended by 7 days. Comments must be received on or before February 9, 2026.
Docket: EPA-R03-OAR-2025-1872; FRL-12994-03-R3
Code of Federal Regulations: 40 CFR 52; 40 CFR 81
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen dioxide; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 2

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.