Nuclear Safety Evaluation of Units Containing 238Pu and 239Pu as Oxides

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Description

This study evaluates the nuclear safety of {sup 238}Pu and PuO{sub 2} under a variety of conditions for shipping and storage and is applicable to mixtures of {sup 238}Pu-{sup 239}Pu oxides. Evaluations were made for a three-container shipping package (Plutonium Finishing Shipping Cask) for compliance with AECM Chapter 0529 Shipping Regulations. Some calculations were also made for the two inner containers as a storage unit to extend the usefulness to cover B-Line storage. This safety analysis was developed with {sup 239}Pu and {sup 238}Pu cross sections using KENO, a multigroup Monte Carlo criticality program. Conservative allowances were made so that ... continued below

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Fernandez, L. P. March 9, 2001.

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Description

This study evaluates the nuclear safety of {sup 238}Pu and PuO{sub 2} under a variety of conditions for shipping and storage and is applicable to mixtures of {sup 238}Pu-{sup 239}Pu oxides. Evaluations were made for a three-container shipping package (Plutonium Finishing Shipping Cask) for compliance with AECM Chapter 0529 Shipping Regulations. Some calculations were also made for the two inner containers as a storage unit to extend the usefulness to cover B-Line storage. This safety analysis was developed with {sup 239}Pu and {sup 238}Pu cross sections using KENO, a multigroup Monte Carlo criticality program. Conservative allowances were made so that the results are valid for all mixtures of {sup 238}Pu-{sup 239}Pu. For storage conditions a planar array one unit tall of two or three container packages is shown to be safe regardless of water moderation provided the spacing is 2.375'' center-to-center or greater.

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  • Other Information: PBD: 9 Mar 2001

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  • March 9, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 5, 2016, 2:12 p.m.

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Fernandez, L. P. Nuclear Safety Evaluation of Units Containing 238Pu and 239Pu as Oxides, report, March 9, 2001; South Carolina. (digital.library.unt.edu/ark:/67531/metadc724215/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.