Description
Bentonite can be eroded as a result of groundwater movement. For sodium bentonite, the calculated critical velocity for the onset of erosion is about 10-4 m s-1, thus this is irrelevant for a repository with Opalinus Clay as host rock.
OPA Category
Category as used in the OPA assessment
Bentonite buffer
OPA Number
Number as used in the OPA assessment
2.09
Waste Relevance
Classes of waste to which this FEP is relevant
SF/HLW
Screening
Screening basis for screened out FEPs
NA
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.04, 2.1.08