The Nuclear Regulatory Commission (NRC) is amending its regulations by revising the Transnuclear, Inc. TN-32 cask system listing within the "List of Approved Spent Fuel Storage Casks" to include Amendment No. 1 to the Certificate of Compliance (CoC). This amendment will allow holders of power reactor operating licenses to store spent fuel in the cask under the revised conditions. The changes proposed for Amendment No. 1 to the TN-32 CoC include the addition of the B&W/FCF 17 x 17 Mark BW assembly to the Technical Specification for "Fuel to be stored in the TN-32 Cask," with revised bounding characteristics, and (2) a revised TS for "Site Specific Parameters and Analysis," to allow analysis of verification of allowable seismic loads.