# Extension of Deadline for Promulgating Designations for the 2015 Ozone National Ambient Air Quality Standards
> **Rule** · Extension of deadline for promulgating designations. · Published 2017-06-28 · 82 FR 29246
## Document
- **Document number:** 2017-13437
- **Category:** air-emissions
- **Federal Register citation:** 82 FR 29246
- **CFR reference:** 40 CFR 81
- **Publication date:** 2017-06-28
- **EPA docket:** EPA-HQ-OAR-2017-0223
## Abstract

The Environmental Protection Agency (EPA) is announcing that it is using its authority under the Clean Air Act (CAA) to extend by 1 year the deadline for promulgating initial area designations for the ozone national ambient air quality standards (NAAQS) that were promulgated in October 2015. The new deadline is October 1, 2018.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/06/28/2017-13437/extension-of-deadline-for-promulgating-designations-for-the-2015-ozone-national-ambient-air-quality)
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