Safety Analysis Report: Packages. Pu Oxide and Am Oxide Shipping Cask (Packaging of Fissile and Other Radioactive Materials. Final Report

摘要

The PuO sub 2 cask or SP 5320-2 and 3 cask is designed for surface shipment of americium or plutonium. The cask design was physically tested to demonstrate that it met the criteria specified in US ERDA Manual Chapter 0529, and Chapter I, Interstate Commerce Commission. The package has been assessed for transport of up to 357 grams of plutonium (403 grams PuO sub 2 powder) and up to 176 grams of americium (200 grams AmO sub 2 powder), having a maximum decay heat of 203 watts. Criticality evaluation alone would allow the shipment as Fissile Class II but the radiation level of the cask, measured at the time of shipment, may exceed 50 mrem/h at the surface and require shipment as Fissile Class III. Sample calculations address only the more restrictive of the two materials, which in most cases is exp 238 PuO sub 2 . (ERA citation 06:000317)