Description

Alteration products may precipitate as spent fuel dissolves. The precipitates may fill fractures in the fuel as well as the fuel/sheath gap. Actinides could be incorporated in these precipitates and cause alpha radiolysis of the porewater.

OPA Category

Category as used in the OPA assessment

Spent fuel

OPA Number

Number as used in the OPA assessment

2.1

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

2.1.09, 2.1.13, 2.1.07