# Approval and Promulgation of Air Quality Implementation Plans; Delaware; Update to Materials Incorporated by Reference
> **Rule** · Final rule; administrative change. · Published 2017-05-30 · Effective 2017-05-30 · 82 FR 24529
## Document
- **Document number:** 2017-10911
- **Category:** air-emissions
- **Federal Register citation:** 82 FR 24529
- **CFR reference:** 40 CFR 52
- **Publication date:** 2017-05-30
- **Effective date:** 2017-05-30
- **State:** DE
- **EPA docket:** DE104-1104
## Abstract

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Delaware state implementation plan (SIP). The regulations affected by this update have been previously submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC) and approved by EPA. 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/2017/05/30/2017-10911/approval-and-promulgation-of-air-quality-implementation-plans-delaware-update-to-materials)
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