Comment ClosedNRC· Nuclear Regulatory CommissionProposed RuleNRC-2025-0025Regulations.gov

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

Introduced December 8, 2025Comment period ends January 8, 2026View on regulations.gov ↗

What This Means

The NRC approves and renews the NAC-UMS spent nuclear fuel storage system certificate. This allows continued use of the storage system for commercial reactor fuel.

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Comment Period

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Details

TypeFederal Regulation

AgencyNRC · Nuclear Regulatory Commission

DocketNRC-2025-0025

Regulations.gov IDNRC-2025-0025-0001

IntroducedDecember 8, 2025

Comment DeadlineJanuary 8, 2026