# Approval and Promulgation of Implementation Plans; Utah; R307-204 Emission Standards: Smoke Management
> **Rule** · Final rule. · Published 2021-05-10 · Effective 2021-06-09 · 86 FR 24728
## Document
- **Document number:** 2021-09240
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 24728
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-05-10
- **Effective date:** 2021-06-09
- **State:** UT
- **EPA docket:** EPA-R08-OAR-2020-0541
## Abstract

The Environmental Protection Agency (EPA) is approving state implementation plan (SIP) revisions submitted by State of Utah on November 5, 2019. The revisions amend R307-204 to meet the requirements set forth in Utah's 2019 House Bill (H.B.) 155. This action is being taken under section 110 of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/05/10/2021-09240/approval-and-promulgation-of-implementation-plans-utah-r307-204-emission-standards-smoke-management)
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