List of Approved Spent Fuel Storage Casks: Holtec International Storage, Transport and Repository (HI-STAR) 100 Storage System, Certificate of Compliance No. 1008, Amendment No. 3

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the Holtec International Storage, Transport and Repository 100 Storage System listing within the "List of approved spent fuel storage casks" to include Amendment No. 3 to Certificate of Compliance No. 1008. Amendment No. 3 revises the technical specifications to: Include multipurpose canister (MPC)-32 for storage of pressurized-water reactor spent fuel in the HI-STAR 100 Storage System; include the Metamic neutron absorber for MPC-32, MPC- 24, and MPC-68; credit the soluble boron in criticality analyses for both MPC-32 and MPC-24; incorporate standard system features and ancillaries such as the forced helium dehydration; allow for horizontal storage of the casks; provide updated drawings; and revise the MPC design pressure for accident condition to 200 pounds per square inch gauge. Amendment No. 3 also makes other administrative changes to the technical specifications.