Nuclide;"Decay T1/2";"Decay energy, MeV";"Most probable radiation, MeV (%)";"Particles (%)";γ-radiation*);Electrons**) U-232;"α, 68.9 year";5.414;"5.263 (31.55) 5.320 (68.15)";"0.013 (10.9) 0.058 (0.20)";"0.009 (12.0) 0.037 (22.79) 0.053 (6.22)" Th-228;"α, 19.1 year";5.521;"5.340 (26.0) 5.423 (73.4)";"0.012 (8.4) 0.084 (1.19)";"0.009 (10.2) 0.065 (18.5) 0.080 (5.04) 0.083 (1.65)" Ra-224;"α, 3.66 day";5.789;"5.449 (5.06) 5.685 (94.92)";"0.012 (0.37) 0.241 (4.1)";"0.009 (0.5) 0.143 (0.46) 0.223 (0.5)" Rn-220;"α, 55.6 s";6.405;"6.288 (99.89)";"0.550 (0.11)"; Po-216;"α, 0.114 s";6.906;"6.778 (99.998)";"0.805 (0.002)";"0.717 (2E–5)" Pb-212;"β, 10.62 s";0.569;"0.041 (5.01) 0.093 (83.5) 0.171 (13.7)";"0.011 (13.7) 0.075 (9.9) 0.077 (16.4) 0.239 (43.6)";"0.008 (21.3) 0.148 (31.0) 0.210 (1.25) 0.222 (7.02)" Bi-212;"α, 60.55 min 35.94%";6.207;"6.051 (25.13) 6.090 (9.75)";"0.010 (7.0) 0.040 (1.06)";"0.008 (12.1) 0.025 (18.9) 0.036 (4.4)" Bi-212;"β, 60.55 min 64.06%";2.252;"0.834 (55.37)";"0.727 (6.67) 0.785 (1.10) 1.079 (0.56) 1.513 (0.29) 1.621 (1.47)";"0.634 (0.13)" Po-212;"α, 0.299 µs";8.954;"8.785 (100)";; TL-208.;"β, 3.053 min 35.94%";4.999;"0.343 (3.18) 0.442 (24.2) 0.535 (22.2) 0.649 (49.1)";"0.511 (22.6) 0.583 (85.0) 0.861 (12.5) 2.615 (99.754)";"0.423 (1.90) 0.495 (1.70) 0.567 (0.46) 2.527 (0.21)"