# Air Plan Approval; AK: Updates to Materials Incorporated by Reference
> **Rule** · Final rule; administrative change. · Published 2017-12-08 · Effective 2017-12-08 · 82 FR 57836
## Document
- **Document number:** 2017-26082
- **Category:** other
- **Federal Register citation:** 82 FR 57836
- **CFR reference:** 40 CFR 52
- **Publication date:** 2017-12-08
- **Effective date:** 2017-12-08
- **EPA docket:** EPA-R10-OAR-2017-0554
## Abstract

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Alaska State Implementation Plan (SIP). The regulations affected by this format change have all been previously submitted by Alaska and approved by the EPA. In this action, the EPA is also notifying the public of corrections to typographical errors, and minor formatting changes to the IBR tables. This update affects the SIP materials that are available for public inspection at the National Archives and Records Administration (NARA) and the EPA Regional Office.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/12/08/2017-26082/air-plan-approval-ak-updates-to-materials-incorporated-by-reference)
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