ANNEX III Activity values defining high-activity sealed sources as referred to in point (43) of Article 4
For radionuclides not listed in the table below, the relevant activity is identical to the D-value defined in the IAEA publication Dangerous quantities of radioactive material (D-values), (EPR-D-VALUES 2006).
a The activity given is that of the alpha-emitting radionuclide | |
Radionuclide | Activity (TBq) |
---|---|
Am-241 | 6 × 10–2 |
Am-241/Be-9a | 6 × 10–2 |
Cf-252 | 2 × 10–2 |
Cm-244 | 5 × 10–2 |
Co-60 | 3 × 10–2 |
Cs-137 | 1 × 10–1 |
Gd-153 | 1 × 100 |
Ir-192 | 8 × 10–2 |
Pm-147 | 4 × 101 |
Pu-238 | 6 × 10–2 |
Pu-239/Be-9a | 6 × 10–2 |
Ra-226 | 4 × 10–2 |
Se-75 | 2 × 10–1 |
Sr-90 (Y-90) | 1 × 100 |
Tm-170 | 2 × 101 |
Yb-169 | 3 × 10–1 |