Data / Federal rules / 2025-10548

Air Plan Approval; West Virginia; 2024 Amendments to West Virginia's Ambient Air Quality Standards

The Environmental Protection Agency published this proposed rule in the Federal Register on June 11, 2025. Comments closed on July 11, 2025.

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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 State of West Virginia. This revision updates West Virginia's incorporation by reference (IBR) of EPA's national ambient air quality standards (NAAQS) and the associated monitoring reference and equivalent methods. This action is being taken under the Clean Air Act (CAA).

Key facts

Document number: 2025-10548
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: June 11, 2025
Comments due: July 11, 2025
Dates: Written comments must be received on or before July 11, 2025.
Docket: EPA-R03-OAR-2024-0581; FRL-12329-01-R3
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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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon monoxide · Rules on environmental protection · Published in June 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.