# Approval and Promulgation of Air Quality Implementation Plans; Revised Format for Materials Being Incorporated by Reference for Maine
> **Rule** · Final rule; notice of administrative change. · Published 2008-10-01 · Effective 2008-10-01 · 73 FR 56970
## Document
- **Document number:** E8-22958
- **Category:** air-emissions
- **Federal Register citation:** 73 FR 56970
- **CFR reference:** 40 CFR 52
- **Publication date:** 2008-10-01
- **Effective date:** 2008-10-01
- **State:** ME
- **EPA docket:** ME-064-7013a
## Abstract

EPA is revising the format of 40 CFR part 52 for materials submitted by the State of Maine that are incorporated by reference (IBR) into its State Implementation Plan (SIP). The regulations affected by this format change have all been previously submitted by Maine and approved by EPA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/10/01/E8-22958/approval-and-promulgation-of-air-quality-implementation-plans-revised-format-for-materials-being)
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