# Approval and Promulgation of State Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of Arizona; Tucson Area; Technical Correction
> **Rule** · Final rule; technical correction. · Published 2004-03-18 · Effective 2004-03-18 · 69 FR 12802
## Document
- **Document number:** 04-4817
- **Category:** air-emissions
- **Federal Register citation:** 69 FR 12802
- **CFR reference:** 40 CFR 52
- **Publication date:** 2004-03-18
- **Effective date:** 2004-03-18
- **State:** AZ
- **EPA docket:** AZ 114-CORR
## Abstract

In this action, EPA is amending a section in part 52, title 40, of the Code of Federal Regulations (CFR) that identifies the Agency's approvals of revisions to the Arizona State Implementation Plan, and is amending a section of part 81, title 40, of the Code of Federal Regulations that identifies area designations within Arizona. The purpose of this action is to correct these sections to conform to a previous final action taken by EPA related to attainment of the Carbon Monoxide National Ambient Air Quality Standard in the Tucson Air Planning Area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/03/18/04-4817/approval-and-promulgation-of-state-implementation-plans-designation-of-areas-for-air-quality)
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