Curium-244   0.001   148   4

Curium-245   0.001   74   2

Europium-152   0.01   18,500   500

Europium-154   0.01   14,800   400

Europium-155   0.01   111,000   3,000

Gadolinium-153   0.01   185,000   5,000

Germanium-68   0.01   74,000   2,000

Gold-198   0.01   1,110,000   30,000

Hafnium-172   0.01   14,800   400

Hafnium-181   0.01   259,000   7,000

Holmium-166m   0.01   3,700   100

Hydrogen-3   0.5   740,000   20,000

Indium-114m   0.01   37,000   1,000

Iodine-125   0.5   370   10

Iodine-131   0.5   370   10

Iridium-192   0.001   1,480,000   40,000

Iron-55   0.01   1,480,000   40,000

Iron-59   0.01   259,000   7,000

Krypton-85   1.0   222,000,000   6,000,000

Lead-210   0.01   296   8

Manganese-56   0.01   2,220,000   60,000

Mercury-203   0.01   370,000   10,000

Molybdenum-99   0.01   1,110,000   30,000

Neptunium-237   0.001   74   2

Nickel-63   0.01   740,000   20,000

Niobium-94   0.01   11,100   300

Phosphorus-32   0.5   3,700   100

Phosphorus-33   0.5   37,000   1,000

Polonium-210   0.01   370   10