# Air Plan Approval; ID; Update to Materials Incorporated by Reference
> **Rule** · Final rule; administrative change. · Published 2020-07-24 · Effective 2020-07-24 · 85 FR 44741
## Document
- **Document number:** 2020-15395
- **Category:** other
- **Federal Register citation:** 85 FR 44741
- **CFR reference:** 40 CFR 52
- **Publication date:** 2020-07-24
- **Effective date:** 2020-07-24
- **EPA docket:** EPA-R10-OAR-2020-0143
## Abstract

The Environmental Protection Agency (EPA) is updating the regulatory materials incorporated by reference into the Idaho State Implementation Plan (SIP). The regulations addressed in this action were previously submitted by the Idaho Department of Environmental Quality and approved by the EPA in prior rulemakings. This action is an administrative change that updates the SIP materials available for public inspection at the EPA Regional Office and the National Archives and Records Administration.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/07/24/2020-15395/air-plan-approval-id-update-to-materials-incorporated-by-reference)
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