Description

Radionuclides incorporated in the fuel matrix are released congruently with matrix dissolution following canister breaching. Radionuclides that are partially segregated to the fuel-sheath gap and grain boundaries are released more rapidly upon breaching.

OPA Category

Category as used in the OPA assessment

Spent fuel

OPA Number

Number as used in the OPA assessment

3.01

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

3.2.01