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. 2023 Aug 28;9(9):e19470. doi: 10.1016/j.heliyon.2023.e19470

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