List of Approved Spent Fuel Storage Casks: NAC International NAC-UMS® Universal Storage System, Certificate of Compliance No. 1015, Amendment No. 8

The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of October 19, 2021, for the direct final rule that was published in the Federal Register on August 5, 2021. This direct final rule amended the NAC International NAC-UMS[supreg] Universal Storage System listing in the "List of approved spent fuel storage casks" to include Amendment No. 8 to Certificate of Compliance No. 1015. Amendment No. 8 revises the certificate of compliance to add the storage of damaged boiling-water reactor spent fuel, including higher enrichment and higher burnup spent fuel; change the allowable fuel burnup range; expand the boiling-water reactor class 5 fuel inventory that could be stored in the cask; and revise definitions in the technical specifications.