Skip to Content

Rule

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

A Rule by the Nuclear Regulatory Commission on 08/12/2026

Published Document: 2026-16398 (91 FR 51999)

This document has been published in the Federal Register. Use the PDF linked in the document sidebar for the official electronic format.

Document Headings

Document headings vary by document type but may contain the following:

  1. the agency or agencies that issued and signed a document
  2. the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to
  3. the agency docket number / agency internal file number
  4. the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions

See the Document Drafting Handbook for more details.

Nuclear Regulatory Commission
10 CFR Part 72
  1. [NRC-2026-2047]
  2. RIN 3150-AL68
( printed page 51999)

AGENCY:

Nuclear Regulatory Commission.

ACTION:

Direct final rule; confirmation of effective date.

SUMMARY:

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of September 14, 2026, for the direct final rule that was published in the Federal Register on July 1, 2026. This direct final rule amended the NAC MAGNASTOR System listing within the “List of approved spent fuel storage casks” to include Amendment Nos. 16 and 17 and revisions to Amendment Nos. 0 through 16 to Certificate of Compliance No. 1031.

DATES:

The effective date of September 14, 2026, for the direct final rule published July 1, 2026 (91 FR 39843), is confirmed.

ADDRESSES:

Please refer to Docket ID NRC-2026-2047 when contacting the NRC about the availability of information for this action. You may obtain publicly available information related to this action by any of the following methods:

  • Federal Rulemaking website: Electronically at https://www.regulations.gov. Search for Docket ID NRC-2026-2047. Address questions about NRC dockets to Helen Chang; telephone: 301-415-3228; email: . For technical questions, contact the individual listed in the FOR FURTHER INFORMATION CONTACT section of this document.
  • NRC's Agencywide Documents Access and Management System (ADAMS): You may obtain publicly available documents online in the ADAMS Public Documents collection at https://www.nrc.gov/​reading-rm/​adams.html. To begin the search, select “Begin ADAMS Public Search.” For problems with ADAMS, please contact the NRC's Public Document Room (PDR) reference staff at 1-800-397-4209, at 301-415-4737, or by email to . Amendment Nos. 16 and 17 and revisions to Amendment Nos. 0 through 16 of Certificate of Compliance No. 1031, the associated changes to the technical specifications, and the safety evaluation reports are available in ADAMS under Package Accession No. ML26202A387.
  • NRC's PDR: The PDR, where you may examine and order copies of publicly available documents, is open by appointment. To make an appointment to visit the PDR, please send an email to or call 1-800-397-4209 or 301-415-4737, between 8 a.m. and 4 p.m. eastern time, Monday through Friday, except Federal holidays.

FOR FURTHER INFORMATION CONTACT:

Caylee Kenny, Office of Nuclear Material Safety and Safeguards, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001; telephone: 301-415-7150, email: .

SUPPLEMENTARY INFORMATION:

On July 1, 2026 (91 FR 39843), the NRC published a direct final rule amending its regulations in part 72 of title 10 of the Code of Federal Regulations to include Amendment Nos. 16 and 17 and revisions to Amendment Nos. 0 through 16 to Certificate of Compliance No. 1031. In the direct final rule, the NRC stated that if no significant adverse comments were received, the direct final rule would become effective on September 14, 2026. The NRC did not receive any comments on the direct final rule. Therefore, this direct final rule will become effective as scheduled.

Dated: August 6, 2026.

For the Nuclear Regulatory Commission.

Araceli Billoch Colon,

Chief, Rulemaking Projects Branch 2, Division of Guidance, Rulemaking, Economic Analysis, and Technical Editing Office of Nuclear Material Safety and Safeguards.

[FR Doc. 2026-16398 Filed 8-11-26; 8:45 am]

BILLING CODE 7590-01-P

Published Document: 2026-16398 (91 FR 51999)