# Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standard
> **Rule** · Final rule. · Published 2020-01-31 · Effective 2020-03-02 · 85 FR 5570
## Document
- **Document number:** 2020-00885
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 5570
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-01-31
- **Effective date:** 2020-03-02
- **State:** DC
- **EPA docket:** EPA-R03-OAR-2019-0362
## Abstract

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the District of Columbia (the District). The SIP revision addresses certain infrastructure requirements to implement, maintain, and enforce the 2015 ozone national ambient air quality standards (NAAQS), including the requirements for interstate transport. EPA is approving the District's infrastructure SIP revision for the 2015 ozone NAAQS, with exception of certain portions, in accordance with the requirements of the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/01/31/2020-00885/approval-and-promulgation-of-air-quality-implementation-plans-district-of-columbia-infrastructure)
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