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Final Rule

List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment No. 15

Agency
NRC
Document Number
2025-07602
Published
May 2, 2025
Effective Date
June 3, 2025

Abstract

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of June 3, 2025, for the direct final rule that was published in the Federal Register on March 20, 2025. This direct final rule amended the NAC International, Inc., MAGNASTOR[supreg] Storage System listing within the "List of approved spent fuel storage casks" to include Amendment No. 15 to Certificate of Compliance No. 1031.

Federal Register Source

This document is published by the Office of the Federal Register, National Archives and Records Administration. Access the full regulatory text, preamble, and docket comments below.

View Full Text on FederalRegister.gov →

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Frequently Asked Questions

What is the 2025-07602 Federal Register document?
Document 2025-07602 is a Final Rule published by the Nuclear Regulatory Commission in the Federal Register on May 2, 2025, with an effective date of June 3, 2025. The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of June 3, 2025, for the direct final rule that was published in the Federal Register on March 20, 2025. This direct final rule amended the NAC International, Inc., MAGNASTOR[supreg] Storage System listing within the "List of approved spent fuel storage casks" to include Amendment No. 15 to Certificate of Compliance No. 1031. View the original at https://www.federalregister.gov/documents/2025/05/02/2025-07602/list-of-approved-spent-fuel-storage-casks-nac-international-inc-magnastor-storage-system-certificate.
Is document 2025-07602 an economically significant rule?
No. Document 2025-07602 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.

Other Rules from NRC

List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16
Final Rule · Jul 2026
Integrated Low-Level Radioactive Waste Disposal
Proposed · Jul 2026
List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16
Proposed · Jul 2026
Modernizing Security Requirements
Proposed · Jun 2026
Sunset Provisions
Proposed · Jun 2026
Modernizing Materials Licensing
Proposed · Jun 2026
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