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