RS

• # 1.

  Americium-241, (Am-241), with level of activity 0.6 to 1.27 TBq;

• # 2.

  Cobalt-60, (Co-60), with level of activity of 0.3 TBq or greater;

• # 3.

  Caesium-137 (Cesium-137), (Cs-137), with level of activity of 1.0 TBq or greater;

• # 4.

  Gadolinium-153, (Gd-153), with level of activity of 10.0 TBq or greater;

• # 5.

  Iridium-192, (Ir-192), with level of activity of 0.8 TBq or greater;

• # 6.

  Promethium-147, (Pm-147), with level of activity of 400 TBq or greater;

• # 7.

  Selenium-75, (Se-75), with level of activity of 2.0 TBq or greater;

• # 8.

  Strontium-90, (Sr-90), with level of activity of 10.0 TBq or greater;

• # 9.

  Yttrium-90, (Y-90), with level of activity of 10.0 TBq or greater

• # 10.

  Thulium-170, (Tm-170), with level of activity of 200 TBq or greater;

• # 11.

  Ytterbium-169, (Yb-169), with level of activity of 3.0 TBq or greater.