Description

Gamma radiation from the fuel that penetrates through the canister can decompose pore water by radiolysis, forming OH radicals, H2, O2 and several other components.

SKB Number

SKB FEP Number

Bu20

Main Category

Main category for FEP

Internal process

System Component

System component to which the FEP applies

Buffer

Handling

Explanation of how the FEP is treated

Intact canister - Resaturation/ "thermal" period. Neglected since dose rate outside canister is too low to have any effect. Intact canister - Long-term after saturation and "thermal" period. Neglected since dose rate outside canister is too low to have any effect. Intact canister - Earthquakes. Neglected since dose rate outside canister is too low to have any effect.

References

Bibliographic references to obtain more information

SR-Site Buffer, backfill and closure process report, TR-10-47, Section(s) 2.2.4, 3.5.13; SR-Site Main report, TR-11-01, Section(s) 7.4.3