# Clean Air Act Redesignation Substitute for the Houston-Galveston-Brazoria 1997 8-Hour Ozone Nonattainment Area; Texas
> **Rule** · Final rule. · Published 2016-11-08 · Effective 2016-12-08 · 81 FR 78691
## Document
- **Document number:** 2016-26586
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 78691
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-11-08
- **Effective date:** 2016-12-08
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2015-0609
## Abstract

The Environmental Protection Agency (EPA) is approving a redesignation substitute and making a finding of attainment for the revoked 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS) for the Houston-Galveston-Brazoria ozone nonattainment area (HGB area).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/11/08/2016-26586/clean-air-act-redesignation-substitute-for-the-houston-galveston-brazoria-1997-8-hour-ozone)
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