Annex 9

(Art. 96)

Activity values for the definition of high-activity sealed sources

For radionuclides not listed in the Table below, the activity value is the D value given in the IAEA publication «Dangerous quantities of radioactive material (D values)» (EPR-D-VALUES 2006)¹.

Radionuclide	Activity value (TBq)
Am-241	6×10-2
Am-241/Be	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/Be2	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

Footnotes

1. The IAEA publications referred to in this O can be accessed free of charge on the IAEA website atwww.iaea.org> Publications. ↩

2. The activity of the alpha-emitting radionuclide is given. ↩