Role of Waste Packages in the Safety of a High Level Waste Repository in a Deep Geological Formation

by F. Bretheau, Commissariat a l'Energie Atomique, France,
J. Lewi, Commissariat a l'Energie Atomique, France,

Abstract: The safety of a radioactive waste disposal facility lays on the three following barriers placed between the radioactive materials and the biosphere: the waste package, the engineered barriers, the geological barrier. The function assigned to each of these barriers in the performance assessment is an option taken by the organization responsible for waste disposal management (ANDRA in France), which must show that: expected performances of each barrier (confinement ability, lifetime, etc) are at least equal to those required to fulfill the assigned function, radiation protection requirements are met in all situations considered as credible, whether they be the normal situation or random events situations. The French waste management strategy is based upon two types of disposal depending on the nature and activity of waste packages, those are: surface disposal and deep geological disposal.

Subject Headings: Waste management | Waste disposal | Geology | Radioactive wastes | Safety | Highway barriers | Radioactive materials | Hazardous materials | France | Europe

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