# Approval and Promulgation of Implementation Plans; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Wyoming
> **Rule** · Final rule. · Published 2020-02-24 · Effective 2020-03-25 · 85 FR 10304
## Document
- **Document number:** 2020-03026
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 10304
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-02-24
- **Effective date:** 2020-03-25
- **State:** WY
- **EPA docket:** EPA-R08-OAR-2019-0419
## Abstract

The Environmental Protection Agency (EPA) is acting on multiple elements of State Implementation Plan (SIP) revisions from the State of Wyoming to demonstrate that the State meets infrastructure requirements of Clean Air Act (CAA) section 110(a) for the 2015 ozone National Ambient Air Quality Standard (NAAQS). Section 110(a) of the CAA requires that each state submit a SIP for the implementation, maintenance and enforcement of each NAAQS promulgated by the EPA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/02/24/2020-03026/approval-and-promulgation-of-implementation-plans-infrastructure-requirements-for-the-2015-ozone)
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