# Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to Air Pollution Emission Notice Rules
> **Rule** · Final rule. · Published 2020-09-16 · Effective 2020-10-16 · 85 FR 57696
## Document
- **Document number:** 2020-17790
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 57696
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-09-16
- **Effective date:** 2020-10-16
- **State:** CO
- **EPA docket:** EPA-R08-OAR-2020-0110
## Abstract

In accordance with section 110 of the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is taking final action to approve State Implementation Plan (SIP) revisions submitted by the State of Colorado on May 8, 2019. The EPA is taking final action to approve amendments to the State's Stationary Source Permitting and Air Pollution Emission Notice Requirements. The EPA is taking this action pursuant to sections 110 of the CAA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/09/16/2020-17790/approval-and-promulgation-of-air-quality-implementation-plans-colorado-revisions-to-air-pollution)
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