Open Access
Table 1
Type and estimated order of magnitude of the source term.
| Isotope | Half-life | Estimated Source Term | Origin |
|---|---|---|---|
| 60Co | 5.26 y | ~GBq | Activated corrosion product |
| 134Cs | 2.07 y | ~10 GBq | Volatile fission product |
| 137Cs | 30.1 y | ~10 GBq | |
| 103Ru | 39.2 d | ~GBq | Low-volatile fission product |
| 106Ru | 371.8 d | ~GBq | |
| 141Ce | 32.5 d | ~100 MBq | |
| 95Nb | 35 d | ~GBq | Low-volatile fission product or/and activated corrosion product |
| 95Zr | 64 d | ~GBq |
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