⚛️NRC Confirms Effective Date for HI-STORM 100 Cask Compliance Updates
List of Approved Spent Fuel Storage Casks: HI-STORM 100, Certificate of Compliance No. 1014, Renewed Amendment No. 19
Summary
The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of May 27, 2025, for the direct final rule that was published in the Federal Register on March 13, 2025. This direct final rule amended the Holtec International HI-STORM 100 Cask System listing within the "List of approved spent fuel storage casks" to include Renewed Amendment No. 19 to Certificate of Compliance No. 1014. Renewed Amendment No. 19 revises the certificate of compliance to update the acceptance criteria and method of evaluation (MOE) for the HI-STORM 100 system tipover accident for equipment combinations involving multi- purpose canisters with Metamic-HT baskets. This involves applying a new stress-based criteria and completing new evaluations consistent with the new tipover acceptance criteria and MOE and involves some adjustments of the existing deflection criteria.
Agencies
- Nuclear Regulatory Commission
Business Impact
$$ - Med
The regulation confirms a direct final rule regarding updates to the HI-STORM 100 Cask System, which impacts businesses involved in nuclear material management and spent fuel storage compliance. The updates on acceptance criteria and evaluation methods may require business adjustments to ensure safety and regulatory adherence.