# Approval and Promulgation of Implementation Plans; State of Oregon; Regional Haze State Implementation Plan
> **Rule** · Final rule. · Published 2012-08-22 · Effective 2012-09-21 · 77 FR 50611
## Document
- **Document number:** 2012-20496
- **Category:** air-emissions
- **Federal Register citation:** 77 FR 50611
- **CFR reference:** 40 CFR 52
- **Publication date:** 2012-08-22
- **Effective date:** 2012-09-21
- **State:** OR
- **EPA docket:** EPA-R10-OAR-2012-0344, FRL-9718-9
## Abstract

EPA is taking final action to approve portions of a State Implementation Plan (SIP) revision submitted by the State of Oregon on December 10, 2010 and supplemented on February 1, 2011, as meeting the requirements of Clean Air Act (CAA or the Act) section 169A and B and the regional haze regulations in 40 CFR 51.308. In a previous action on July 5, 2011, EPA approved portions of the December 10, 2010, SIP submittal as meeting the requirements for interstate transport for visibility of CAA section 110(a)(2)(D)(II) and certain requirements of the regional haze program including the requirements for best available retrofit technology (BART). 76 FR 38997. On May 23, 2012, EPA proposed approving the remaining portion of the Regional Haze SIP including those portions that address requirements of the CAA and EPA's rules that require states to set Reasonable Progress Goals (RPGs) for their Class I areas, and to develop a Long-Term Strategy (LTS) to achieve these goals. 77 FR 30454. In this Federal Register notice EPA finalizes its approval of the remaining Regional Haze SIP elements for which EPA previously took no action in the July 5, 2011 notice.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/08/22/2012-20496/approval-and-promulgation-of-implementation-plans-state-of-oregon-regional-haze-state-implementation)
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