Data / Federal rules / 2025-06608

Air Plan Approval; West Virginia; Regional Haze State Implementation Plan for the Second Implementation Period

The Environmental Protection Agency published this proposed rule in the Federal Register on April 18, 2025. Comments closed on May 19, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve the regional haze State implementation plan (SIP) revision submitted by West Virginia (West Virginia, WV, or the State) on August 12, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is proposing this action pursuant to the CAA. The EPA is also withdrawing its previous proposed rule to disapprove West Virginia's regional haze SIP revision as published in the Federal Register on January 21, 2025.

Key facts

Document number: 2025-06608
Type: Proposed rule
Action: Proposed rule and withdrawal of proposed rule
Agency: Environmental Protection Agency
Published: April 18, 2025
Comments due: May 19, 2025
Dates: Comments: Written comments must be received on or before May 19, 2025.
Docket: EPA-R03-OAR-2025-0174; FRL-12731-01-R3
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen dioxide; Ozone; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 13

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 April 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.