# Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5 Redesignation to Attainment and State Implementation Plan Revisions

> **EPA** · Rulemaking · Modified 2025-11-19T16:00:29Z

## Docket
- **Docket ID:** EPA-R08-OAR-2020-0098
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2025-11-19T16:00:29Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-R08-OAR-2020-0098)
- [Public comments](https://www.regulations.gov/docket/EPA-R08-OAR-2020-0098/comments)

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