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Uniform Approach to Surface Complexation Modeling of Radionuclide Sorption

机译:放射性核素吸附表面络合模型的一致方法

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A fundamental concern in evaluating the suitability of Yucca Mountain, Nevada, asa potential repository for high-level nuclear wastes (HLW) is the possibility of radionuclide migration to the accessible environment as dissolved constituents in groundwaters. An important mechanism for attenuating radionuclide migration is sorption of radionuclides on minerals encountered along the flow paths. To support the Nuclear Regulatory Commission (NRC) HLW program, the Center for Nuclear Waste Regulatory Analyses (CNWRA) is conducting research activities under the Sorption Modeling for HLW Performance Assessment (PA) Research Project. The broad objectives are to develop sufficient understanding of radionuclide transport issues so that timely prelicensing guidance can be provided to the U.S. Department of Energy (DOE) and a sound basis be available for evaluating the DOE licence application (LA). Specifically, the results will be used in addressing NRC needs in evaluating the use of empirical sorption coefficients in modeling sorption.

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