# Approval and Promulgation of Implementation Plans: Oregon
> **Rule** · Direct final rule. · Published 1997-02-25 · Effective 1997-04-28 · 62 FR 8385
## Document
- **Document number:** 97-4519
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 8385
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-02-25
- **Effective date:** 1997-04-28
- **State:** OR
- **EPA docket:** OR34-1-6136a, OR51-7266a, OR58-7273a
## Abstract

Environmental Protection Agency (EPA) approves revisions to the State of Oregon Implementation Plan. EPA is approving revisions to Oregon Administrative Rules (OAR) Chapter 340, Divisions 21 through 24, 26, 27, 30, and 34 submitted to EPA on May 28, 1993, and a revision to Division 22 submitted to EPA on September 27, 1995, and revisions to Division 20, 21, 22, 25, 27, and 30 submitted to EPA on October 8, 1996, to satisfy the requirements of section 110 of the Clean Air Act (CAA) and 40 CFR part 51.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/02/25/97-4519/approval-and-promulgation-of-implementation-plans-oregon)
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