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Chemical Implications for the Presence of Introduced Materials in the Post-Emplacement Environment

Published online by Cambridge University Press:  25 February 2011

Annemarie Meike
Annemarie Meike*
Affiliation:
Earth Sciences Division, Lawrence Li verm ore National Laboratory, Livermore, California 94550
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Abstract

This paper addresses our ability to predict the chemical consequences of the presence of introduced materials, many of them man-made, in a radioactive waste repository. The chemical modeling ability required to describe this environment over a 10,000 year period is unique and unprecedented. It requires knowledge of parameters that have never been measured, many of them with respect to introduced materials. This paper discusses considerations that are required to establish the potential significance of introduced materials, especially those that could compromise the lifetime of the waste packages or affect the transport of radionuclides from breached containers. The paper presents issues related to the stability of individual compounds, the potential alteration of predicted natural chemical reactions, the potential moderation of those effects by natural zeolites, and the potential for interactions at elevated temperatures between rock, water, water vapor, radiation, waste package, and introduced materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 333: Symposium V – Scientific Basis for Nuclear Waste Management XVII , 1993 , 835
Copyright
Copyright © Materials Research Society 1994

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References

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