Description
Radionuclides are not distributed uniformly throughout the spent fuel matrix and throughout the cladding. Some radionuclides are partially segregated to the fuel-sheath gap and grain boundaries. This can have a significant influence on the rate of release from UO2 and MOX spent fuel.
OPA Category
Category as used in the OPA assessment
Spent fuel
OPA Number
Number as used in the OPA assessment
1.06
Waste Relevance
Classes of waste to which this FEP is relevant
SF
Screening
Screening basis for screened out FEPs
(no value)
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.01, 2.1.02