List of Approved Spent Fuel Storage Casks: NAC International NAC-UMS Universal Storage System, Certificate of Compliance No. 1015, Amendment No. 9

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Nuclear Regulatory Commission 10 CFR Part 72 [NRC-2022-0049] RIN 3150-AK76 AGENCY: Nuclear Regulatory Commission. ACTION: Direct final rule. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the NAC International NAC-UMS Universal Storage System listing within the “List of approved spent fuel storage casks” to include Amendment No. 9 to Certificate of Compliance No. 1015. Amendment No. 9 revises the certificate of compliance to correct the effective thermal properties for pressurized-water reactor fuel assemblies used in the certification basis ANSYS thermal models and to update modeling assumptions. In addition, this direct final rule makes editorial corrections to Amendment No. 8. DATES: This direct final rule is effective August 29, 2022, unless significant adverse comments are received by July 14, 2022. If this direct final rule is withdrawn as a result of such comments, timely notice of the withdrawal will be published in the Federal Register . Comments received after this date will be considered if it is practical to do so, but the NRC is able to ensure consideration only for comments received on or before this date. Comments received on this direct final rule will also be considered to be comments on a companion proposed rule published in the Proposed Rules section of this issue of the Federal Register . ADDRESSES: Submit your comments, identified by Docket ID NRC-2022-0049, at https://www.regul…