# The Export of Radioactive Sources (Control) Order 2006, Schedule: Controlled Radioactive Sources


radionuclide
Controlled levels of activity (TBq)
Am-241
6.E-1 to 1.27E+00
Co-60
3.E-01 and above
Cs-137
1.E+00 and above
Gd-153
1.E+01 and above
Ir-192
8.E-01 and above
Pm-147
4.E+02 and above
Se-75
2.E+00 and above
Sr-90 (Y-90)
1.E+01 and above
Tm-170
2.E+02 and above
Yb-169
3.E+00 and above

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Source: https://www.legislation.gov.uk/uksi/2006/1846/schedule (the official version)
Page: https://openlegislation.uk/export-of-radioactive-sources-control-order-2006/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.