Natural Tracer Profiles Across Argillaceous Formations

The CLAYTRAC Project

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This technical report describes the results of the Nuclear Energy Agency's CLAYTRAC project, in which natural tracer data from nine sites was evaluated to assess potential impacts of disposal of radiological waste in geological repositories. It shows scientific information from numerous sites and applies robust analytical methods to improve the understanding of radionuclide migration and evolution of sites for deep geological disposal. These results improve the understanding of sites, and thus the confidence in safety, for geological disposal of radioactive waste.



Compilation of Site-Specific Data

Nuclear Energy Agency

Obtaining tracer data from low-permeability, argillaceous formations is a non-trivial task, and a number of new, dedicated techniques have been developed over the last decade. The experimental techniques and the analytical methods on which the tracer data presented in this Chapter are based are documented in Appendix A2.


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