Radionuclide | Quantity of radionuclide1 in curies |
Cesium-137 | 1 |
Cobalt-60 | 1 |
Gold-198 | 100 |
Iodine-131 | 1 |
Iridium-192 | 10 |
Krypton-85 | 1,000 |
Promethium-147 | 10 |
Techetium-99m | 1,000 |
1 The Commission may require as a license condition, or by rule, regulation, or order pursuant to § 20.2302 , reports from licensees who are licensed to use radionuclides not on this list, in quantities sufficient to cause comparable radiation levels.
10 C.F.R. §20.2206