# Approval and Promulgation of Air Quality Implementation Plans; Arkansas Update to Materials Incorporated by Reference
> **Rule** · Final rule; Notice of administrative change. · Published 2006-03-16 · Effective 2006-03-16 · 71 FR 13543
## Document
- **Document number:** 06-2481
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 13543
- **CFR reference:** 40 CFR 52
- **Publication date:** 2006-03-16
- **Effective date:** 2006-03-16
- **State:** AR
- **EPA docket:** FRL-8022-1
## Abstract

EPA is updating the materials submitted by the State of Arkansas that are incorporated by reference (IBR) into the State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by Arkansas and approved by EPA. This update affects the SIP materials that are available for public inspection at the National Archives and Records Administration (NARA), the Air and Radiation Docket and Information Center located at EPA Headquarters in Washington, DC, and the EPA Regional Office.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/03/16/06-2481/approval-and-promulgation-of-air-quality-implementation-plans-arkansas-update-to-materials)
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