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Radionuclide Interaction and Transport in Representative Geologic Media

The report presents information related to the development of a fundamental understanding of disposal-system performance in a range of environments for potential wastes that could arise from future nuclear fuel cycle alternatives.  It addresses selected aspects of the development of computational modeling capability for the performance of storage and disposal options.  Topics include radionuclide interaction with geomedia, colloid-facilitated radionuclide transport (Pu colloids), interaction between iodide (accumulate in the interlayer regions of clay minerals) and a suite of clay minerals, adsorption of uranium onto granite and bentonite, and testing and numerical model development and plans.