# Approval and Promulgation of State Implementation Plans: Alaska
> **Rule** · Final rule. · Published 2010-03-22 · Effective 2010-04-21 · 75 FR 13436
## Document
- **Document number:** 2010-3235
- **Category:** air-emissions
- **Federal Register citation:** 75 FR 13436
- **CFR reference:** 40 CFR 52
- **Publication date:** 2010-03-22
- **Effective date:** 2010-04-21
- **State:** AK
- **EPA docket:** EPA-R10-OAR-2008-0690
## Abstract

The EPA is taking final action to approve numerous revisions to Alaska's State Implementation Plan (SIP) relating to the motor vehicle inspection and maintenance (I/M) program for the control of carbon monoxide (CO) in Anchorage and Fairbanks maintenance areas for CO. The State of Alaska submitted three revisions to the Alaska SIP: a March 29, 2002 submittal containing minor revisions to the statewide I/ M program; a December 11, 2006 submittal containing more substantial revisions to the statewide I/M program; and a June 5, 2008 submittal containing major revisions to the statewide I/M program discontinuing the I/M program in Fairbanks as an active control measure in the SIP and shifting it to a contingency measure. EPA is approving these submittals because they satisfy the requirements of the Clean Air Act (hereinafter the Act or CAA). Also in this final action, EPA is correcting a transcription error in the boundary description for the Fairbanks CO maintenance area under section 110(k)(6) of the Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/03/22/2010-3235/approval-and-promulgation-of-state-implementation-plans-alaska)
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