Silicon-31   10   0.1
Silver-105   1   0.01
Silver-110m   0.1   0.001
Silver-111   10   0.1
Sodium-22   0.1   0.001
Sodium-24   1   0.01
Strontium-85m   1,000   10
Type B License Type C License
Column I Column II
Radioactive Material curies curies
Strontium-85   1   0.01
Strontium-89   1   0.01
Strontium-90   0.01   0.0001
Strontium-91   10   0.1
Strontium-92   10   0.1
Sulphur-35   10   0.1
Tantalum-182   1   0.01
Technetium-96   10   0.1
Technetium-97m   10   0.1
Technetium-97   10   0.1
Technetium-99m   100   1.
Technetium-99   1   0.01
Tellurium-125m   1   0.01
Tellurium-127m   1   0.01
Tellurium-127   10   0.1
Tellurium-129m   1   0.01
Tellurium-129   100   1.
Tellurium-131m   10   0.1
Tellurium-132   1   0.01