NRC Amends Rules for NAC Nuclear Spent Fuel Storage Canisters
Published Date: 2/27/2025
Rule
Summary
The NRC updated the rules for storing used nuclear fuel by adding Amendment No. 9 and tweaking Amendments 6, 7, and 8 for the NAC Multi-Purpose Canister system. These changes clarify how the concrete parts of the storage cask should meet safety standards. Nuclear plant operators and storage facilities should note these updates to keep their storage safe and compliant, with no extra costs expected.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
Clarified Concrete Cask Safety Rules
The NRC updated the NAC Multi-Purpose Canister (NAC-MPC) listing by adding Amendment No. 9 to Certificate of Compliance No. 1025 and revising Amendment Nos. 6, 7, and 8. The changes distinguish the vertical concrete cask (VCC) body from the VCC lid for how American Concrete Institute specifications ACI 349 and ACI 318 apply. Nuclear plant operators and spent fuel storage facilities should note the changes to stay compliant; the rule says no extra costs are expected.
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