Description
After emplacement, groundwater will slowly penetrate the bentonite, which will swell so that a homogenous mass is formed. The time taken for bentonite to saturate depends on the hydraulic and thermal properties of both the bentonite and the surrounding rock.
OPA Category
Category as used in the OPA assessment
Bentonite buffer
OPA Number
Number as used in the OPA assessment
2.02
Waste Relevance
Classes of waste to which this FEP is relevant
SF/HLW
NEA V1 IFEP Reference(s)
Related IFEPs from the NEA V1 IFEP list from 1999
2.1.04, 2.1.08