Data / Federal rules / 2026-16575

Air Plan Approval; Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Madison and Page Counties (Shenandoah National Park) Area

The Environmental Protection Agency published this proposed rule in the Federal Register on August 14, 2026. Comments closed on September 14, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia (the Commonwealth or Virginia). This revision pertains to the Commonwealth's plan, submitted by the Virginia Department of Environmental Quality (VADEQ), for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) (referred to as the 1997 ozone NAAQS) in the Madison & Page Counties (Shenandoah NP), VA, Area (Shenandoah NP Area or Area) for the second 10-year maintenance period. This action is being taken under the Clean Air Act (CAA).

Key facts

Document number: 2026-16575
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: August 14, 2026
Comments due: September 14, 2026
Dates: Written comments must be received on or before September 14, 2026.
Docket: EPA-R03-OAR-2025-3820; FRL-13143-01-R3
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Nitrogen dioxide; Ozone; Volatile organic compounds
Pages: 6

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 August 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.