Chapter DHS 157 Appendix I

Quantities for Use with Decommissioning under Section DHS 157.15

NOTE: To convert µCi to kBq, multiply the µCi value by 37.

Material   Microcurie

Americium-241   0.01

Antimony-122   100

Antimony-124   10

Antimony-125   10

Arsenic-73   100

Arsenic-74   10

Arsenic-76   10

Arsenic-77   100

Barium-131   10

Barium-133   10

Barium-140   10

Bismuth-210   1

Bromine-82   10

Cadmium-109   10

Cadmium-115m   10

Cadmium-115   100

Calcium-45   10

Calcium-47   10

Carbon-14   100

Cerium-141   100

Cerium-143   100

Cerium-144   1

Cesium-131   1,000

Cesium-134m   100

Cesium-134   1

Cesium-135   10

Cesium-136   10

Cesium-137   10

Chlorine-36   10

Chlorine-38   10

Chromium-51   1,000

Cobalt-57   100

Cobalt-58m   10

Cobalt-58   10

Cobalt-60   1

Copper-64   100

Dysprosium-165   10

Dysprosium-166   100

Erbium-169   100

Erbium-171   100

Europium-152 (9.2 h)   100

Europium-152 (13 yr)   1

Europium-154   1

Europium-155   10

Fluorine-18   1,000

Gadolinium-153   10

Material   Microcurie

Gadolinium-159   100

Gallium-72   10

Germanium-68   10

Germanium-71   100

Gold-195   10

Gold-198   100

Gold-199   100

Hafnium-181   10

Holmium-166   100

Hydrogen-3   1,000

Indium-113m   100

Indium-114m   10

Indium-115m   100

Indium-115   10

Iodine-125   1

Iodine-126   1

Iodine-129   0.1

Iodine-131   1

Iodine-132   10

Iodine-133   1

Iodine-134   10

Iodine-135   10

Iridium-192   10

Iridium-194   100

Iron-55   100

Iron-59   10

Krypton-85   100

Krypton-87   10

Lanthanum-140   10

Lutetium-177   100

Manganese-52   10

Manganese-54   10

Manganese-56   10

Mercury-197m   100

Mercury-197   100

Mercury-203   10

Molybdenum-99   100

Neodymium-147   100