# Approval and Promulgation of Air Quality Implementation Plans; Texas; Infrastructure or Requirements for the 2008 Ozone and 2010 Nitrogen Dioxide National Ambient Air Quality Standards
> **Rule** · Final rule. · Published 2016-09-09 · Effective 2016-10-11 · 81 FR 62375
## Document
- **Document number:** 2016-21593
- **Category:** air-emissions
- **Federal Register citation:** 81 FR 62375
- **CFR reference:** 40 CFR 52
- **Publication date:** 2016-09-09
- **Effective date:** 2016-10-11
- **State:** TX
- **EPA docket:** EPA-R06-OAR-2012-0953
## Abstract

The Environmental Protection Agency (EPA) is approving elements of State Implementation Plan (SIP) submissions from the State of Texas for Ozone (O<INF>3</INF>) and Nitrogen Dioxide (NO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). These submittals address how the existing SIP provides for implementation, maintenance, and enforcement of the 2008 O<INF>3</INF> and 2010 NO<INF>2</INF> NAAQS (infrastructure SIPs or i-SIPs). These i-SIPs ensure that the State's SIP is adequate to meet the State's responsibilities under the Federal Clean Air Act (CAA).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/09/09/2016-21593/approval-and-promulgation-of-air-quality-implementation-plans-texas-infrastructure-or-requirements)
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