# Approval and Promulgation of Implementation Plans; Texas; Permitting of New and Modified Sources in Nonattainment Areas
> **Rule** · Final rule. · Published 2000-07-17 · Effective 2000-08-16 · 65 FR 43986
## Document
- **Document number:** 00-17876
- **Category:** air-emissions
- **Federal Register citation:** 65 FR 43986
- **CFR reference:** 40 CFR 52
- **Publication date:** 2000-07-17
- **Effective date:** 2000-08-16
- **State:** TX
- **EPA docket:** TX-100-7390a
## Abstract

The EPA is approving revisions to the Texas State Implementation Plan (SIP) for the permitting of new major sources and major modifications in areas which do not meet the national ambient air quality standards (NAAQS) promulgated by EPA (nonattainment areas). The EPA is approving these revisions to satisfy the provisions of the Clean Air Act (Act) which relate to the permitting of new and modified sources which are located in nonattainment areas. Today's action approves the recodification of and revisions to the nonattainment permitting regulations. Today's action also approves revisions relating to when nonattainment area permitting requirements apply to emissions of nitrogen oxides (NO<INF>X</INF>) as a precursor to ozone in an ozone nonattainment area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/07/17/00-17876/approval-and-promulgation-of-implementation-plans-texas-permitting-of-new-and-modified-sources-in)
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