Americium-241

Barium-133

Beryllium-7

Calcium-45

Carbon-14

Cesium-137

Chromium-51

Cobalt-60

Fluorine-18

Hydrogen-3 (Tritium)

Iodine-125 Inorganic

Iodine-125 Organic

Iron-55

Iron-59

Lead-210

Mercury-203

Nickel-63

Phosphorus-32

Phosphorus-33

Sodium-22

Sulfur-35

Technetium-99

Yttrium-88

Yttrium-90

Zinc-65