# Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Nonattainment New Source Review Requirements for 2008 8-Hour Ozone Standard
> **Rule** · Final rule. · Published 2019-07-05 · Effective 2019-08-05 · 84 FR 32072
## Document
- **Document number:** 2019-14144
- **Category:** air-emissions
- **Federal Register citation:** 84 FR 32072
- **CFR reference:** 40 CFR 52
- **Publication date:** 2019-07-05
- **Effective date:** 2019-08-05
- **State:** DC
- **EPA docket:** EPA-R03-OAR-2018-0754
## Abstract

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the District of Columbia (the District). The revision is in response to EPA's February 3, 2017 Findings of Failure to Submit for various requirements relating to the 2008 8-hour ozone national ambient air quality standards (NAAQS). This SIP revision is specific to nonattainment new source review (NNSR) requirements. This action is being taken under the Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/07/05/2019-14144/approval-and-promulgation-of-air-quality-implementation-plans-district-of-columbia-nonattainment-new)
---
*AI Analytics · CC0 1.0*