NRCFinal Rule
List of Approved Spent Fuel Storage Casks: NAC International, Inc., NAC-UMS Universal Storage System, Certificate of Compliance No. 1015, Amendment No. 10, and Revision 1 to Amendment Nos. 5 through 9
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Summary
The Nuclear Regulatory Commission approved an updated design for containers that safely store used nuclear fuel at power plants and storage facilities. This approval allows NAC International to continue using their storage system design with new safety improvements and technical updates.
Key Points
- 1The NRC renewed its approval for NAC-UMS casks, which are large metal containers designed to safely hold radioactive spent fuel from nuclear reactors
- 2This is Amendment 10 to the original approval, meaning the design has been reviewed and updated multiple times to ensure it remains safe and meets current standards
- 3The update includes revisions to earlier versions of the design, incorporating new safety data and engineering improvements
- 4Nuclear power plants and fuel storage facilities can continue using these approved casks to store dangerous radioactive materials safely and securely
- 5This approval helps prevent environmental contamination and protects public health by ensuring spent nuclear fuel is contained in proven, tested containers
Impact Assessment
If you are an energy company or nuclear facility operator, this means you can continue using NAC International's updated spent fuel storage casks with enhanced safety features and technical improvements.
Impact Level
Routine
Geographic Scope
National
Compliance Cost
Minimal
Who is Affected
Energy CompaniesManufacturersWorkers/Laborers
Key Dates
Published
January 30, 2026
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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