# Approval and Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 1997 8-Hour Ozone National Ambient Air Quality Standards; North Dakota
> **Rule** · Final rule. · Published 2012-09-17 · Effective 2012-10-17 · 77 FR 57029
## Document
- **Document number:** 2012-22771
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 57029
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-09-17
- **Effective date:** 2012-10-17
- **State:** ND
- **EPA docket:** EPA-R08-OAR-2010-0300
## Abstract

EPA is in part approving and in part conditionally approving two State Implementation Plan (SIP) submissions made by the State of North Dakota. The SIP submissions demonstrate that North Dakota's SIP meets the requirements of section 110(a)(1) and (2) of the Clean Air Act (CAA) for the National Ambient Air Quality Standards (NAAQS) promulgated for ozone on July 18, 1997. Section 110(a)(1) of the CAA requires that each state, after a new or revised NAAQS is promulgated, review their SIPs to ensure that they meet the requirements of the "infrastructure elements" of section 110(a)(2). The State of North Dakota submitted revisions to their Infrastructure SIP for the 1997 ozone NAAQS, dated April 6, 2009, as well as a certification of the adequacy of their infrastructure SIP for the 1997 ozone NAAQS, dated November 23, 2009. This action is being taken under section 110 of the Clean Air Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/09/17/2012-22771/approval-and-promulgation-of-state-implementation-plan-revisions-infrastructure-requirements-for-the)
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