| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Jodradioisotoper | 100 | + | |
| 2 | Kolradioisotoper | 72 | + | |
| 3 | Indiumradiosotoper | 68 | + | |
| 4 | Tritium | 49 | + | |
| 5 | Svavelradioisotoper | 29 | + | |
| 6 | Kromradioisotoper | 25 | + | |
| 7 | Kalciumradioisotoper | 24 | + | |
| 8 | Kadmiumradioisotoper | 17 | + | |
| 9 | Selenradiosotoper | 11 | + | |
| 10 | Zinkradioisotoper | 11 | + | |
| 11 | Natriumradioisotoper | 8 | + | |
| 12 | Yttriumradioisotoper | 8 | + | |
| 13 | Radioaktiva spårämnen | 7 | + | |
| 14 | Strontiumradioisotoper | 5 | + |