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Annex III Activity values defining high-activity sealed sources as referred to in point (41) of Article 4X1

United Kingdom

Original text. Later amendments are not shown.

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).

The activity given is that of the alpha-emitting radionuclide
RadionuclideActivity (TBq)
Am-2416 × 10–2
Am-241/Be-9f1 6 × 10–2
Cf-2522 × 10–2
Cm-2445 × 10–2
Co-603 × 10–2
Cs-1371 × 10–1
Gd-1531 × 100
Ir-1928 × 10–2
Pm-1474 × 101
Pu-2386 × 10–2
Pu-239/Be-9 6 × 10–2
Ra-2264 × 10–2
Se-752 × 10–1
Sr-90 (Y-90)1 × 100
Tm-1702 × 101
Yb-1693 × 10–1

Annotations

Editorial notes

X1

Substituted by Corrigendum to Council Directive 2013/59/Euratom of 5 December 2013 laying down basic safety standards for protection against the dangers arising from exposure to ionising radiation, and repealing Directives 89/618/Euratom, 90/641/Euratom, 96/29/Euratom, 97/43/Euratom and 2003/122/Euratom (Official Journal of the European Union L 13 of 17 January 2014).

Footnotes

f1

The activity given is that of the alpha-emitting radionuclide