List of Approved Spent Fuel Storage Casks: Holtec International HI-STORM 100 Multipurpose Canister Cask System, Certificate of Compliance No. 1014, Amendment No. 14

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of December 17, 2019, for the direct final rule that was published in the Federal Register on October 3, 2019. This direct final rule amended the NRC's spent fuel storage regulations by revising the Holtec International HI-STORM 100 Multipurpose Canister Cask System listing within the "List of approved spent fuel storage casks" to include Amendment No. 14 to Certificate of Compliance No. 1014. Amendment No. 14 revised the technical specifications to add new heat loading patterns, reduce the minimum cooling time, allow use of a damaged fuel isolator for storing damaged fuel, and modify the description of vents in the overpack. Amendment No. 14 also made other administrative changes to the technical specifications.