Data / Federal rules / 2025-13946

Air Plan Approval; Pennsylvania; Redesignation of the Beaver County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard

The Environmental Protection Agency published this proposed rule in the Federal Register on July 24, 2025. Comments closed on August 25, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision and redesignation request submitted on August 12, 2024 by the Pennsylvania Department of Environmental Protection (PADEP). The SIP revision asks the EPA to redesignate the Beaver County, Pennsylvania area from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS). The revision also asks the EPA to approve into the SIP the Commonwealth's maintenance plan for the 2010 1-hour primary SO<INF>2</INF> NAAQS for the Beaver County area. This action is being taken under the Clean Air Act (CAA).

Key facts

Document number: 2025-13946
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: July 24, 2025
Comments due: August 25, 2025
Dates: Written comments must be received on or before August 25, 2025.
Docket: EPA-R03-OAR-2024-0624; FRL-12500-01-R3
Code of Federal Regulations: 40 CFR 52; 40 CFR 81
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: 8

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 July 2025

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