# Approval and Promulgation of Air Quality Implementation Plans; Texas; Approval of the Section 110(a)(1) Maintenance Plan for the 1997 8-Hour Ozone Standard for El Paso County
> **Rule** · Direct final rule. · Published 2009-01-15 · Effective 2009-03-16 · 74 FR 2387
## Document
- **Document number:** E9-708
- **Category:** air-emissions
- **Federal Register citation:** 74 FR 2387
- **CFR reference:** 40 CFR 52
- **Publication date:** 2009-01-15
- **Effective date:** 2009-03-16
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2006-0357
## Abstract

EPA is taking direct final action approving a revision to the Texas State Implementation Plan (SIP). The revision consists of a maintenance plan for El Paso County developed to ensure continued attainment of the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS) through the year 2014. The Maintenance Plan meets the statutory and regulatory requirements, and is consistent with EPA's guidance. EPA is approving the revision pursuant to section 110 of the Federal Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/01/15/E9-708/approval-and-promulgation-of-air-quality-implementation-plans-texas-approval-of-the-section-110a1)
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