# 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

> **EPA** · Rulemaking · Modified 2025-11-20T14:18:18Z

## Docket
- **Docket ID:** EPA-R03-OAR-2024-0624
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2025-11-20T14:18:18Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-R03-OAR-2024-0624)
- [Public comments](https://www.regulations.gov/docket/EPA-R03-OAR-2024-0624/comments)

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