# Approval and Promulgation of Air Quality Implementation Plans; Oregon Visibility Protection Plan
> **Rule** · Direct final rule. · Published 2005-03-15 · Effective 2005-05-16 · 70 FR 12587
## Document
- **Document number:** 05-5045
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 12587
- **CFR reference:** 40 CFR 52
- **Publication date:** 2005-03-15
- **Effective date:** 2005-05-16
- **State:** OR
- **EPA docket:** Docket # R10-OAR-2005-OR-0002
## Abstract

EPA is taking direct final action to approve revisions to the Oregon Visibility Protection Plan submitted to EPA on January 22, 2003. The revisions are the result of a required periodic review of the Visibility Protection Plan conducted by the State, and reflect recommendations from the Oregon Visibility Advisory Committee. In general, the revisions reflect work the State intends to conduct over the next three years. EPA has determined that this submission is a general strengthening of the State Implementation Plan (SIP) as it expands strategies to protect visibility in Oregon.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/03/15/05-5045/approval-and-promulgation-of-air-quality-implementation-plans-oregon-visibility-protection-plan)
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