# Approval and Promulgation of Air Quality Implementation Plans; Texas; Determination of Failure To Attain the 1-Hour Ozone Standard
> **Rule** · Final rule. · Published 2012-06-19 · Effective 2012-07-19 · 77 FR 36400
## Document
- **Document number:** 2012-14713
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 36400
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-06-19
- **Effective date:** 2012-07-19
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2011-0775
## Abstract

The EPA is taking final action to determine that the Houston/ Galveston/Brazoria (HGB) area did not attain the 1-hour ozone national ambient air quality standard (NAAQS) by its applicable attainment date, November 15, 2007. This determination is based on three years of complete, quality-assured and certified ambient air quality monitoring data for the period preceding the applicable attainment deadline.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/06/19/2012-14713/approval-and-promulgation-of-air-quality-implementation-plans-texas-determination-of-failure-to)
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