NRC Confirms Effective Date for Spent Fuel Storage System Rule

Regs.gov: Nuclear Regulatory Commission

Published April 13th, 2026

Detected March 18th, 2026

Summary

The Nuclear Regulatory Commission (NRC) is confirming the effective date of April 13, 2026, for a direct final rule. This rule amends the approved spent fuel storage cask list to include Amendment No. 5 to Certificate of Compliance No. 1042 for the TN Americas LLC, NUHOMS® EOS Dry Spent Fuel Storage System.

View original document View source feed page

What changed

The U.S. Nuclear Regulatory Commission (NRC) has issued a confirmation of the effective date for a direct final rule concerning the TN Americas LLC, NUHOMS® EOS Dry Spent Fuel Storage System. The rule, which was originally published on January 28, 2026, amends the "List of approved spent fuel storage casks" by including Amendment No. 5 to Certificate of Compliance No. 1042. The confirmation specifies that the rule will become effective on April 13, 2026, as no significant adverse comments were received.

This confirmation serves to finalize the regulatory action, establishing April 13, 2026, as the date by which the amendment to the Certificate of Compliance becomes effective. Regulated entities involved with the TN Americas LLC, NUHOMS® EOS Dry Spent Fuel Storage System should note this effective date for compliance purposes. No specific new actions are required by this confirmation document itself, as it merely confirms a previously established effective date.

Source document (simplified)

Content

ACTION:

Direct final rule; confirmation of effective date.

SUMMARY:

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of April 13, 2026, for the direct final rule
that was published in the
Federal Register
on January 28, 2026. The direct final rule amended the TN Americas LLC, NUHOMS® EOS Dry Spent Fuel Storage System listing
within the “List of approved spent fuel storage casks” to include Amendment No. 5 to Certificate of Compliance No. 1042.

DATES:

Effective date: The effective date of April 13, 2026, for the direct final rule published January 28, 2026 (91 FR 3635) is confirmed.

ADDRESSES:

Please refer to Docket ID NRC-2025-1369 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: Go to https://www.regulations.gov and search for Docket ID NRC-2025-1369. Address questions about NRC dockets to Helen Chang; telephone: 301-415-3228; email: Helen.Chang@nrc.gov. 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 PDR.Resource@nrc.gov. The amendment to Certificate of Compliance No. 1042, the associated change to the technical specification, and the final safety
evaluation report are available in ADAMS under Accession No. ML26064A054.

• 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 PDR.Resource@nrc.gov 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:

Amy McKenna, Office of Nuclear Material Safety and Safeguards, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001;
email: Amy.McKenna@nrc.gov.

SUPPLEMENTARY INFORMATION:

On January 28, 2026 (91 FR 3635), 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 No. 5 to Certificate of Compliance (CoC) No. 1042.

In the direct final rule, the NRC stated that if no significant adverse comments were received, the direct final rule would
become effective on April 13, 2026. The NRC did not receive any comments on the direct final rule. Therefore, this direct
final rule will become effective as scheduled.

Dated: March 16, 2026. For the Nuclear Regulatory Commission.

Araceli Billoch Colon, Chief, Regulatory Analysis and Rulemaking Support Branch, Division of Rulemaking, Environmental, and Financial Support. Office
of Nuclear Material Safety and Safeguards. [FR Doc. 2026-05287 Filed 3-17-26; 8:45 am] BILLING CODE 7590-01-P