List of Approved Spent Fuel Storage Casks: NAC-MPC Revision
The Nuclear Regulatory Commission (NRC) is amending its regulations revising the NAC-MPC cask system listing within the "List of Approved Spent Fuel Storage Casks" to include Amendment No. 1 to Certificate of Compliance Number 1025. Amendment No. 1 will modify the present cask system design to permit a licensee to use an alternate fuel basket design with enlarged fuel tubes in corner locations; increase the operational time limits provided in the Technical Specifications (TS) for canister loading, closure, and transfer when canister heat loads are lower than design basis heat loads; revise the canister surface contamination limits in TS to maintain worker dose as low as is reasonably achievable (ALARA); and revise some drawings to reflect changes identified during cask and component fabrication under a general license.