(b) radionuklidy a produkty jejich radioaktivní přeměny odpovídající trvalé rovnováze jsou uvedeny níže:

Sr-90Y-90
Zr93Nb-93m
Zr-97Nb-97
Ru-106Rh-106
Cs-137Ba-137m
Ce-134La-134
Ce-l44Pr-144
Ba-140La-140
Bi-212Tl-208 (0.36), Po-212 (0.64)
Pb-210Bi-210, Po-210
Pb-212Bi-212, Tl-208 (0.36), Po-212 (0.64)
Rn-220Po-216
Rn-222Po-218, Pb-214, Bi-214, Po-214
Ra-223Rn-219, Po-215, Pb-211, Bi-211, Tl-207
Ra-224Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64)
Ra-226Rn-222, Po-218, Pb-214, Po-214, Pb-210, Bi-210, Po-210
Ra-228Ac-228
Th-226Ra-222, Rn-218, Po-214
Th-228Ra-224, Rn-220, Po-216, Pb212, Bi-212, Tl208 (0.36), Po-212 (0.64)
Th-229Ra-225, Ra-225, Fr-221, At-217, Bi-213, Po-213, Pb-209
Th-přírodníRa-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, T1-208(0.36),Po-212(0.64)
Th-234Pa-234m
U-230Th-226, Ra-222, Rn-218, Po-214
U-232Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64)
U-235Th-231
U-238Th-234, Pa-234m
U-přírodníTh-234, Pa-234m, U-234, Th-230, Ra-226, Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210
U-240Np-240m
Np-237Pa-233
Am-242mAm-242
Am-243Np-239