# Approval and Promulgation of Air Quality Implementation Plans; Revised Format of 40 CFR Part 52 for Materials Being Incorporated by Reference for Rhode Island
> **Rule** · Final rule; notice of administrative change. · Published 1999-08-09 · Effective 1999-08-09 · 64 FR 43083
## Document
- **Document number:** 99-20312
- **Category:** air-emissions
- **Federal Register citation:** 64 FR 43083
- **CFR reference:** 40 CFR 52
- **Publication date:** 1999-08-09
- **Effective date:** 1999-08-09
- **State:** RI
- **EPA docket:** RI-38-6985a
## Abstract

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

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/08/09/99-20312/approval-and-promulgation-of-air-quality-implementation-plans-revised-format-of-40-cfr-part-52-for)
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