SCHEDULE 7Quantities and concentrations of radionuclides
PART 4Table of quantities of radioactive material defining high-activity sealed sources
For radionuclides not listed in the table below, the relevant quantity value is the same as the D-value defined in section 2 Table 1 of the IAEA publication: Dangerous quantities of radioactive material (D-values), (EPR-D-VALUES 2006)
Radionuclide | Quantity (Bq) |
|---|---|
Co-60 | 3 × 1010 |
Se-75 | 2 × 1011 |
Sr-90 (Y-90) | 1 × 1012 |
Cs-137 | 1 × 1011 |
Pm-147 | 4 × 1013 |
Gd-153 | 1 × 1012 |
Tm-170 | 2 × 1013 |
Yb-169 | 3 × 1011 |
Ir-192 | 8 × 1010 |
Ra-226 | 4 × 1010 |
Pu-238 | 6 × 1010 |
Pu-239/Be-9(*) | 6 × 1010 |
Am-241 | 6 × 1010 |
Am-241/Be-9(*) | 6 × 1010 |
Cm-244 | 5 × 1010 |
Cf-252 | 2 × 1010 |
(*) The activity given is that of the alpha-emitting radionuclide. | |