# Outer Continental Shelf Air Regulations; Consistency Update for Alaska
> **Rule** · Final rule; consistency update. · Published 2020-09-08 · Effective 2020-10-08 · 85 FR 55377
## Document
- **Document number:** 2020-17572
- **Category:** air-emissions
- **Federal Register citation:** 85 FR 55377
- **CFR reference:** 40 CFR 55
- **Publication date:** 2020-09-08
- **Effective date:** 2020-10-08
- **State:** AK
- **EPA docket:** EPA-R10-OAR-2019-0433
## Abstract

The Environmental Protection Agency (EPA) is taking final action to update a portion of the Outer Continental Shelf (OCS) Air Regulations. Requirements applying to OCS sources located within 25 miles of states' seaward boundaries must be updated periodically to remain consistent with the requirements of the corresponding onshore area (COA), as mandated by the Clean Air Act (CAA). The portion of the OCS air regulations that is being updated pertains to the requirements for OCS sources subject to requirements of the State of Alaska. The State of Alaska's requirements discussed in this document and listed in the appendix to the Federal OCS air regulations, are approved for incorporated into the compilation of state provisions that is incorporated by reference.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/09/08/2020-17572/outer-continental-shelf-air-regulations-consistency-update-for-alaska)
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