Iodine-134 10 0.1
Iodine-135 1 0.01
Iridium-192 1 0.01
Iridium-194 10 0.1
Iron-55 10 0.1
Iron-59 1 0.01
Krypton-85 100 1.
Krypton-87 10 0.1
Lanthanum-140 1 0.01
Lutetium-177 10 0.1
Manganese-52 1 0.01
Manganese-54 1 0.01
Manganese-56 10 0.1
Mercury-197m 10 0.1
Mercury-197 10 0.1
Mercury-203 1 0.01
Molybdenum-99 10 0.1
Neodymium-147 10 0.1
Neodymium-149 10 0.1
Type B License Type C License
Column I Column II
Radioactive Material curies curies
Nickel-59 10 0.1
Nickel-63 1 0.01
Nickel-65 10 0.1
Niobium-93m 1 0.01
Niobium-95 1 0.01
Niobium-97 100 1.
Osmium-185 1 0.01