Table 2.
Typical long term activity concentration of main radionuclides in fluid streams of BWR and PWR reactors. Values are in Bq g−1 [43]. *Short half-life radionuclides in radioactive equilibrium.
| Nuclide | BWR water |
PWR coolant |
PWR secondary coolant |
|---|---|---|---|
| Bq g−1 | Bq g−1 | Bq g−1 | |
| I-131 | 8.1E+01 | 7.4E+01 | 3.0E-03 |
| Cs-134 | 1.1E+00 | 1.4E+00 | 6.3E-05 |
| Cs-136 | 7.4E-01 | 3.2E+01 | 1.5E-03 |
| Cs-137 | 3.0E+00 | 2.0E+00 | 9.3E-05 |
| H-3 | 3.7E+02 | 3.7E+04 | 3.7E+01 |
| P-32 | 1.5E+00 | – | – |
| Cr-51 | 1.1E+02 | 1.1E+02 | 4.8E-03 |
| Mn-54 | 1.3E+00 | 5.9E+01 | 2.4E-03 |
| Fe-55 | 3.7E+01 | 4.4E+01 | 1.8E-03 |
| Fe-59 | 1.1E+00 | 1.1E+01 | 4.4E-04 |
| Co-58 | 3.7E+00 | 1.7E+02 | 7.0E-03 |
| Co-60 | 7.4E+00 | 2.0E+01 | 8.1E-04 |
| Ni-63 | 3.7E-02 | – | – |
| Zn-65 | 3.7E+00 | 1.9E+01 | 7.8E-04 |
| Sr-89 | 3.7E+00 | 5.2E+00 | 2.1E-04 |
| Sr-90, Y-90* | 2.6E-01 | 4.4E-01 | 1.8E-05 |
| Y-91 | 1.5E+00 | 1.9E-01 | 7.8E-06 |
| Zr-95 | 3.0E-01 | 1.4E+01 | 5.9E-04 |
| Nb-95 | 3.0E-01 | 1.0E+01 | 4.1E-04 |
| Mo-99 | 7.4E+01 | 2.4E+02 | 9.3E-03 |
| Ru-103 | 7.4E-01 | 2.8E+02 | 1.1E-02 |
| Ru-106, Rh-106m* | 1.1E-01 | 3.3E+03 | 1.4E-01 |
| Ag-110m | 3.7E-02 | 4.8E+01 | 2.0E-03 |
| Te-129m | 1.5E+00 | 7.0E+00 | 2.9E-04 |
| Te-131m | 3.7E+00 | 5.6E+01 | 2.0E-03 |
| Te-132 | 3.7E-01 | 6.3E+01 | 2.4E-03 |
| Ba-140 | 1.5E+01 | 4.8E+02 | 1.9E-02 |
| La-140 | 1.5E+01 | 9.3E+02 | 3.4E-02 |
| Ce-141 | 1.1E+00 | 5.6E+00 | 2.3E-04 |
| Ce-143 | – | 1.0E+02 | 3.7E-03 |
| Ce-144, Pr-144* | 1.1E-01 | 1.5E+02 | 5.9E-03 |
| Np-239 | 3.0E+02 | 8.1E+01 | 3.1E-03 |