# Air Quality State Implementation Plans; Approval and Promulgation of Implementation Plans; Utah; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards
> **Rule** · Final rule. · Published 2020-09-16 · Effective 2020-10-16 · 85 FR 57731
## Document
- **Document number:** 2020-18780
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 57731
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-09-16
- **Effective date:** 2020-10-16
- **State:** UT
- **EPA docket:** EPA-R08-OAR-2019-0643
## Abstract

The Environmental Protection Agency (EPA) is approving multiple elements of the infrastructure State Implementation Plan (SIP) requirements for the 2015 ozone National Ambient Air Quality Standard (NAAQS) for Utah, along with taking no action on three Utah infrastructure SIP elements. The EPA is approving Utah's January 29, 2020 SIP submission for the following Clean Air Act (CAA) section 110(a)(2) infrastructure elements for the 2015 ozone NAAQS: (A), (B), (C), (D)(i)(II) Prong 3, (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M). The EPA is not proposing any action in this rule on elements (D)(i)(I) (Prongs 1 and 2), and (D)(i)(II) (Prong 4). The EPA is taking this action pursuant to the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/09/16/2020-18780/air-quality-state-implementation-plans-approval-and-promulgation-of-implementation-plans-utah)
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