Description
Fissile material may become critical if sufficiently high concentrations are reached in the presence of a moderator. The potential for the process to occur in the repository has been examined using calculations and reasoned arguments.
OPA Category
Category as used in the OPA assessment
Spent fuel
OPA Number
Number as used in the OPA assessment
4.04
Waste Relevance
Classes of waste to which this FEP is relevant
SF
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.14