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List of Approved Spent Fuel Storage Casks: NAC International, Inc., NAC-UMS® Universal Storage System, Certificate of Compliance No. 1015, Renewed Amendment No. 10, and Revision 1 to Renewed Amendment Nos. 5 Through 9 | Sporos

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List of Approved Spent Fuel Storage Casks: NAC International, Inc., NAC-UMS® Universal Storage System, Certificate of Compliance No. 1015, Renewed Amendment No. 10, and Revision 1 to Renewed Amendment Nos. 5 Through 9

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel regulations by revising the NAC International, Inc., NAC- UMS[supreg] Universal Storage System (NAC-UMS[supreg]) design listing within the "List of approved spent fuel storage casks" to include Renewed Amendment No. 10, and to revise Renewed Amendment Nos. 5 through 9 to Certificate of Compliance No. 1015. The addition of Renewed Amendment No. 10 and Revision 1 to Renewed Amendment Nos. 5 through 9 for the certificate of compliance (CoC) corrects licensing basis deficiencies and updates the address in the CoC to reflect the new address of the applicant's headquarters offices.

Published

Dec 8, 2025

Effective

Feb 23, 2026

Comments Close

Jan 7, 2026

Citation

90 FR 56657

Agencies

2025-22229List of Approved Spent Fuel Storage Casks: NAC International, Inc., NAC-UMS® Universal Storage System, Certificate of Compliance No. 1015, Renewed Amendment No. 10, and Revision 1 to Renewed Amendment Nos. 5 Through 9

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Agencies (1)

NRC — Nuclear Regulatory Commission

Topics

Administrative practice and procedure Hazardous waste Indians Intergovernmental relations Nuclear energy Penalties Radiation protection Reporting and recordkeeping requirements Security measures Whistleblowing

Docket IDs

NRC-2025-0025

Regulation ID Numbers (RINs)

3150-AL30

CFR References

10 CFR 72

Document Details

Type: Final Rule
Action: Direct final rule.
Document #: 2025-22229
Citation: 90 FR 56657
Publication Date: Dec 8, 2025
Effective Date: Feb 23, 2026
Dates: This direct final rule is effective February 23, 2026, unless significant adverse comments are received by January 7, 2026. If this direct final rule is withdrawn as a result of such comments, timely notice of the withdrawal will be published in the Federal Register. Comments received after this date will be considered if it is practical to do so, but the NRC is able to ensure consideration only for comments received on or before this date. Comments received on this direct final rule will also be considered to be comments on a companion proposed rule published in the Proposed Rules section of this issue of the Federal Register.
Federal Register Pages: Vol. 90, pp. 56657–56662
Page Views: 114

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