| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Tritium | 100 | + | |
| 2 | Jodradioisotoper | 96 | + | |
| 3 | Kolradioisotoper | 95 | + | |
| 4 | Indiumradiosotoper | 73 | + | |
| 5 | Talliumradioisotoper | 52 | + | |
| 6 | Galliumradioisotoper | 43 | + | |
| 7 | Fosforradioisotoper | 37 | + | |
| 8 | Yttriumradioisotoper | 37 | + | |
| 9 | Fluorradioisotoper | 35 | + | |
| 10 | Rubidiumradioisotoper | 34 | + | |
| 11 | Svavelradioisotoper | 28 | + | |
| 12 | Guldradioisotoper | 25 | + | |
| 13 | Cesiumradioisotoper | 24 | + | |
| 14 | Iridiumradioisotoper | 22 | + | |
| 15 | Koboltradioisotoper | 19 | + | |
| 16 | Radioaktiva spårämnen | 18 | + | |
| 17 | Kväveradioisotoper | 17 | + | |
| 18 | Strontiumradioisotoper | 15 | + | |
| 19 | Syrgasradioisotoper | 14 | + | |
| 20 | Kromradioisotoper | 13 | + |