1. Americium-241
2. Antimony 131
3. Antimony-125
4. Barium-140
5. Bismuth 209
6. Cesium-137
7. Cobalt 60
8. Europium-155
9. Fluorine 18
10. Iodine-123
11. Iodine-124
12. Iodine-125
13. Iodine-129
14. Iodine-131
15. Iridium 192
16. Molybdenum-99
17. Neptunium-237
18. Nickel-63
19. Palladium-107
20. Plutonium-210
21. Plutonium-216
22. Plutonium-218
23. Plutonium-235
24. Plutonium-238
25. Plutonium-239
26. Plutonium-241
27. Plutonium-244
28. Promethium-147
29. Radium 220
30. Radium 222
31. Radium 224
32. Radium 226
33. Radium 228
34. Radium 236
35. Radon 220
36. Radon 222
37. Ruthenium-106
38. Samarium-151
39. Strontium-85
40. Strontium-90
41. Strontium-91
42. Strontium-92
43. Technetium-99
44. Tellurium-132
45. Tellurium-134
46. Thallium-204
47. Thallium-208
48. Thorium-228
49. Thorium-230
50. Thorium-232
51. Uranium 225
52. Uranium 233
53. Uranium 234
54. Uranium 235
55. Uranium 238
56. Uranium 239
57. Uranium 240
58. Uranium 325
59. Yttrium-90
60. Zerconium-95