System | Components/processes | Properties/Phenomena |
---|---|---|
EBS | Silicate glass | Devitirification |
Radiation induced effects | ||
Dissolution and alteration | ||
Radionuclide retardation by secondary alteration products | ||
Spent fuel | Dissolution and radionuclide release | |
Radionuclide retardation by secondary alteration products | ||
Metal | Durability and longevity of iron and steel | |
Durability and longevity of copper | ||
Radionuclide retardation by secondary alteration products | ||
Bentonite | Longevity of bentonite and the rate of alteration | |
Physico-chemical changes due to heating | ||
Canister sinking | ||
Interaction with other repository materials | ||
Hydraulic barrier and colloid filter functions | ||
Concrete and cement | Durability of cement | |
Cement-rock-groundwater interactions | ||
Radionuclide sorption | ||
Colloid production and filtration | ||
Gas and water permeability | ||
Bonding properties of cement and concrete | ||
Bitumen | Durability and longevity | |
Groundwater leaching | ||
Microbial degradation | ||
Radiation induced degradation | ||
Interaction with saline water | ||
Organic material | Cellulose degradation | |
Cellulose degradation products | ||
Natural resins | ||
Elemental solubility and speciation | Elemental solubility | |
Speciation | ||
Host rock | Elemental solubility and speciation | Elemental solubility |
Speciation | ||
Elemental retardation | Transport and retardation within fractured crystalline rocks | |
Transport and retardation within argillaceous rock | ||
Transport and retardation at the geosphere-biosphere interface | ||
Measurement of in situ distribution coefficient | ||
Matrix diffusion | Depth and volume of interconnected porosity | |
Bulk rock chemical buffering capacity | ||
Extent of matrix diffusion in sedimentary formation | ||
Estimation of diffusion coefficient | ||
Radiolysis | Process involved in radiolysis of groundwater | |
Radiolysis in nature (how common is radiolysis in nature) | ||
Potential buffering capacity of reduced iron corrosion phases | ||
Redox front | Redox front formation and behavior in crystalline rocks | |
Redox front formation and behaviour in argillaceous rocks | ||
Radionuclide migration at a redox front | ||
Colloids | Populations of colloids in natural systems | |
Stability of colloids in natural systems | ||
Radionuclide uptake and transport by colloids in natural system | ||
Colloid in anthropogenic systems | ||
Biocolloids | ||
Microbial activity | Microbial populations at depth in natural systems | |
Tolerance to hyper alkaline conditions | ||
Nutrient and energy availability | ||
Gas generation and migration | Gas production rates | |
Gas migration and reaction with the geosphere | ||
Gas migration effects on solute transport |