NRC Certifies Updates to Holtec's Nuclear Waste Storage System
Published Date: 2/4/2025
Rule
Summary
The NRC updated the rules for storing spent nuclear fuel using Holtec’s HI-STORM UMAX system. This change clarifies radiation safety limits and measurement spots to keep things extra safe. If you use this storage system, these updates kick in now but won’t cost you extra.
Analyzed Economic Effects
2 provisions identified: 2 benefits, 0 costs, 0 mixed.
Holtec HI‑STORM UMAX CoC Revised
The NRC revised the Holtec HI‑STORM UMAX Canister Storage System listing by adding Revision 1 to Amendment Nos. 0 through 2 to Certificate of Compliance No. 1040. If you use this storage system, the updated Certificate of Compliance applies to you now and the agency states the changes will not cost you extra.
Radiation Dose Limits Clarified and Modified
Revision 1 updates the technical specifications in CoC No. 1040 appendix A to clearly explain the basis for dose rate limits for closure lids, to modify the dose rate limit values, and to change the described locations where dose rate measurements are taken. These changes affect how radiation protection and measurement are specified for the HI‑STORM UMAX system.
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