# Approval and Promulgation of Implementation Plans; Utah; Source Category Exemptions
> **Rule** · Final rule. · Published 2021-05-27 · Effective 2021-06-28 · 86 FR 28493
## Document
- **Document number:** 2021-11189
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 28493
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-05-27
- **Effective date:** 2021-06-28
- **State:** UT
- **EPA docket:** EPA-R08-OAR-2021-0056
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve the State of Utah's Source Category Exemptions Revisions as submitted on November 5, 2019. The EPA is taking this action pursuant to section 110 of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/05/27/2021-11189/approval-and-promulgation-of-implementation-plans-utah-source-category-exemptions)
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