Figure: 30 TAC §336.627



Radionuclide Quantities
for Use in Determining Financial
Assurance for Decommissioning

 

Radioactive Material Microcuries
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-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 hr) 100
Europium-152 (13 yr) 1
Europium-154 1
Europium-155 10
Fluorine-18 1,000
Gadolinium-153 10
Gadolinium-159 100
Gallium-72 10
Germanium-71 100
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
Neodymium-149 100
Nickel-59 100
Nickel-63 10
Nickel-65 100
Niobium-93m 10
Niobium-95 10
Niobium-97 10
Osmium-185 10
Osmium-191m 100
Osmium-191 100
Osmium-193 100
Palladium-103 100
Palladium-109 100
Phosphorus-32 10
Platinum-191 100
Platinum-193m 100
Platinum-193 100
Platinum-197m 100
Platinum-197 100
Plutonium-239 0.01
Polonium-210 0.01
Potassium-42 10
Praseodymium-142 100
Praseodymium-143 100
Promethium-147 10
Promethium-149 10
Radium-226 0.01
Rhenium-186 100
Rhenium-188 100
Rhodium-103m 100
Rhodium-105 100
Rubidium-86 10
Rubidium-87 10
Ruthenium-97 100
Ruthenium-103 10
Ruthenium-105 10
Ruthenium-106 1
Samarium-151 10
Samarium-153 100
Scandium-46 10
Scandium-47 100
Scandium-48 10
Selenium-75 10
Silicon-31 100
Silver-105 10
Silver-110m 1
Silver-111 100
Sodium-24 10
Strontium-85 10
Strontium-89 1
Strontium-90 0.1
Strontium-91 10
Strontium-92 10
Sulfur-35 100
Tantalum-182 10
Technetium-96 10
Technetium-97m 100
Technetium-97 100
Technetium-99m 100
Technetium-99 10
Tellurium-125m 10
Tellurium-127m 10
Tellurium-127 100
Tellurium-129m 10
Tellurium-129 100
Tellurium-131m 10
Tellurium-132 10
Terbium-160 10
Thallium-200 100
Thallium-201 100
Thallium-202 100
Thallium-204 10
Thorium (natural)1 100
Thulium-170 10
Thulium-171 10
Tin-113 10
Tin-125 10
Tungsten-181 10
Tungsten-185 10
Tungsten-187 100
Uranium (natural)2 100
Uranium-233 0.01
Uranium-234, uranium-235 0.01
Vanadium-48 10
Xenon-131m 1,000
Xenon-133 100
Xenon-135 100
Ytterbium-175 100
Yttrium-90 10
Yttrium-91 10
Yttrium-92 100
Yttrium-93 100
Zinc-65 10
Zinc-69m 100
Zinc-69 1,000
Zirconium-93 10
Zirconium-95 10
Zirconium-97 10
Any alpha-emitting radionuclide
not listed above or mixtures of
alpha emitters of unknown
composition		 0.01
Any radionuclide other than
alpha-emitting radionuclides not
listed above or mixtures of beta
emitters of unknown composition		 0.1



Notes:
1. Based on alpha disintegration rate of thorium-232, thorium-230, and their daughter products.

2. Based on alpha disintegration rate of uranium-238, uranium-234, and uranium-235.