Title 10

PART 20 APPENDIX C



Appendix C to Part 20 - Quantities 1 of Licensed Material Requiring Labeling

10:1.0.1.1.16.15.76.3.9 : Appendix C

Appendix C to Part 20 - Quantities 1 of Licensed Material Requiring Labeling
Radionuclide Quantity (µCi)
Hydrogen-3 1,000
Beryllium-7 1,000
Beryllium-10 1
Carbon-11 1,000
Carbon-14 100
Fluorine-18 1,000
Sodium-22 10
Sodium-24 100
Magnesium-28 100
Aluminum-26 10
Silicon-31 1,000
Silicon-32 1
Phosphorus-32 10
Phosphorus-33 100
Sulfur-35 100
Chlorine-36 10
Chlorine-38 1,000
Chlorine-39 1,000
Argon-39 1,000
Argon-41 1,000
Potassium-40 100
Potassium-42 1,000
Potassium-43 1,000
Potassium-44 1,000
Potassium-45 1,000
Calcium-41 100
Calcium-45 100
Calcium-47 100
Scandium-43 1,000
Scandium-44m 100
Scandium-44 100
Scandium-46 10
Scandium-47 100
Scandium-48 100
Scandium-49 1,000
Titanium-44 1
Titanium-45 1,000
Vanadium-47 1,000
Vanadium-48 100
Vanadium-49 1,000
Chromium-48 1,000
Chromium-49 1,000
Chromium-51 1,000
Manganese-51 1,000
Manganese-52m 1,000
Manganese-52 100
Manganese-53 1,000
Manganese-54 100
Manganese-56 1,000
Iron-52 100
Iron-55 100
Iron-59 10
Iron-60 1
Cobalt-55 100
Cobalt-56 10
Cobalt-57 100
Cobalt-58m 1,000
Cobalt-58 100
Cobalt-60m 1,000
Cobalt-60 1
Cobalt-61 1,000
Cobalt-62m 1,000
Nickel-56 100
Nickel-57 100
Nickel-59 100
Nickel-63 100
Nickel-65 1,000
Nickel-66 10
Copper-60 1,000
Copper-61 1,000
Copper-64 1,000
Copper-67 1,000
Zinc-62 100
Zinc-63 1,000
Zinc-65 10
Zinc-69m 100
Zinc-69 1,000
Zinc-71m 1,000
Zinc-72 100
Gallium-65 1,000
Gallium-66 100
Gallium-67 1,000
Gallium-68 1,000
Gallium-70 1,000
Gallium-72 100
Gallium-73 1,000
Germanium-66 1,000
Germanium-67 1,000
Germanium-68 10
Germanium-69 1,000
Germanium-71 1,000
Germanium-75 1,000
Germanium-77 1,000
Germanium-78 1,000
Arsenic-69 1,000
Arsenic-70 1,000
Arsenic-71 100
Arsenic-72 100
Arsenic-73 100
Arsenic-74 100
Arsenic-76 100
Arsenic-77 100
Arsenic-78 1,000
Selenium-70 1,000
Selenium-73m 1,000
Selenium-73 100
Selenium-75 100
Selenium-79 100
Selenium-81m 1,000
Selenium-81 1,000
Selenium-83 1,000
Bromine-74m 1,000
Bromine-74 1,000
Bromine-75 1,000
Bromine-76 100
Bromine-77 1,000
Bromine-80m 1,000
Bromine-80 1,000
Bromine-82 100
Bromine-83 1,000
Bromine-84 1,000
Krypton-74 1,000
Krypton-76 1,000
Krypton-77 1,000
Krypton-79 1,000
Krypton-81 1,000
Krypton-83m 1,000
Krypton-85m 1,000
Krypton-85 1,000
Krypton-87 1,000
Krypton-88 1,000
Rubidium-79 1,000
Rubidium-81m 1,000
Rubidium-81 1,000
Rubidium-82m 1,000
Rubidium-83 100
Rubidium-84 100
Rubidium-86 100
Rubidium-87 100
Rubidium-88 1,000
Rubidium-89 1,000
Strontium-80 100
Strontium-81 1,000
Strontium-83 100
Strontium-85m 1,000
Strontium-85 100
Strontium-87m 1,000
Strontium-89 10
Strontium-90 0.1
Strontium-91 100
Strontium-92 100
Yttrium-86m 1,000
Yttrium-86 100
Yttrium-87 100
Yttrium-88 10
Yttrium-90m 1,000
Yttrium-90 10
Yttrium-91m 1,000
Yttrium-91 10
Yttrium-92 100
Yttrium-93 100
Yttrium-94 1,000
Yttrium-95 1,000
Zirconium-86 100
Zirconium-88 10
Zirconium-89 100
Zirconium-93 1
Zirconium-95 10
Zirconium-97 100
Niobium-88 1,000
Niobium-89m (66 min) 1,000
Niobium-89 (122 min) 1,000
Niobium-90 100
Niobium-93m 10
Niobium-94 1
Niobium-95m 100
Niobium-95 100
Niobium-96 100
Niobium-97 1,000
Niobium-98 1,000
Molybdenum-90 100
Molybdenum-93m 100
Molybdenum-93 10
Molybdenum-99 100
Molybdenum-101 1,000
Technetium-93m 1,000
Technetium-93 1,000
Technetium-94m 1,000
Technetium-94 1,000
Technetium-96m 1,000
Technetium-96 100
Technetium-97m 100
Technetium-97 1,000
Technetium-98 10
Technetium-99m 1,000
Technetium-99 100
Technetium-101 1,000
Technetium-104 1,000
Ruthenium-94 1,000
Ruthenium-97 1,000
Ruthenium-103 100
Ruthenium-105 1,000
Ruthenium-106 1
Rhodium-99m 1,000
Rhodium-99 100
Rhodium-100 100
Rhodium-101m 1,000
Rhodium-101 10
Rhodium-102m 10
Rhodium-102 10
Rhodium-103m 1,000
Rhodium-105 100
Rhodium-106m 1,000
Rhodium-107 1,000
Palladium-100 100
Palladium-101 1,000
Palladium-103 100
Palladium-107 10
Palladium-109 100
Silver-102 1,000
Silver-103 1,000
Silver-104m 1,000
Silver-104 1,000
Silver-105 100
Silver-106m 100
Silver-106 1,000
Silver-108m 1
Silver-110m 10
Silver-111 100
Silver-112 100
Silver-115 1,000
Cadmium-104 1,000
Cadmium-107 1,000
Cadmium-109 1
Cadmium-113m 0.1
Cadmium-113 100
Cadmium-115m 10
Cadmium-115 100
Cadmium-117m 1,000
Cadmium-117 1,000
Indium-109 1,000
Indium-110 (69.1min.) 1,000
Indium-110
(4.9h) 1,000
Indium-111 100
Indium-112 1,000
Indium-113m 1,000
Indium-114m 10
Indium-115m 1,000
Indium-115 100
Indium-116m 1,000
Indium-117m 1,000
Indium-117 1,000
Indium-119m 1,000
Tin-110 100
Tin-111 1,000
Tin-113 100
Tin-117m 100
Tin-119m 100
Tin-121m 100
Tin-121 1,000
Tin-123m 1,000
Tin-123 10
Tin-125 10
Tin-126 10
Tin-127 1,000
Tin-128 1,000
Antimony-115 1,000
Antimony-116m 1,000
Antimony-116 1,000
Antimony-117 1,000
Antimony-118m 1,000
Antimony-119 1,000
Antimony-120 (16min.) 1,000
Antimony-120 (5.76d) 100
Antimony-122 100
Antimony-124m 1,000
Antimony-124 10
Antimony-125 100
Antimony-126m 1,000
Antimony-126 100
Antimony-127 100
Antimony-128 (10.4min.) 1,000
Antimony-128 (9.01h) 100
Antimony-129 100
Antimony-130 1,000
Antimony-131 1,000
Tellurium-116 1,000
Tellurium-121m 10
Tellurium-121 100
Tellurium-123m 10
Tellurium-123 100
Tellurium-125m 10
Tellurium-127m 10
Tellurium-127 1,000
Tellurium-129m 10
Tellurium-129 1,000
Tellurium-131m 10
Tellurium-131 100
Tellurium-132 10
Tellurium-133m 100
Tellurium-133 1,000
Tellurium-134 1,000
Iodine-120m 1,000
Iodine-120 100
Iodine-121 1,000
Iodine-123 100
Iodine-124 10
Iodine-125 1
Iodine-126 1
Iodine-128 1,000
Iodine-129 1
Iodine-130 10
Iodine-131 1
Iodine-132m 100
Iodine-132 100
Iodine-133 10
Iodine-134 1,000
Iodine-135 100
Xenon-120 1,000
Xenon-121 1,000
Xenon-122 1,000
Xenon-123 1,000
Xenon-125 1,000
Xenon-127 1,000
Xenon-129m 1,000
Xenon-131m 1,000
Xenon-133m 1,000
Xenon-133 1,000
Xenon-135m 1,000
Xenon-135 1,000
Xenon-138 1,000
Cesium-125 1,000
Cesium-127 1,000
Cesium-129 1,000
Cesium-130 1,000
Cesium-131 1,000
Cesium-132 100
Cesium-134m 1,000
Cesium-134 10
Cesium-135m 1,000
Cesium-135 100
Cesium-136 10
Cesium-137 10
Cesium-138 1,000
Barium-126 1,000
Barium-128 100
Barium-131m 1,000
Barium-131 100
Barium-133m 100
Barium-133 100
Barium-135m 100
Barium-139 1,000
Barium-140 100
Barium-141 1,000
Barium-142 1,000
Lanthanum-131 1,000
Lanthanum-132 100
Lanthanum-135 1,000
Lanthanum-137 10
Lanthanum-138 100
Lanthanum-140 100
Lanthanum-141 100
Lanthanum-142 1,000
Lanthanum-143 1,000
Cerium-134 100
Cerium-135 100
Cerium-137m 100
Cerium-137 1,000
Cerium-139 100
Cerium-141 100
Cerium-143 100
Cerium-144 1
Praseodymium-136 1,000
Praseodymium-137 1,000
Praseodymium-138m 1,000
Praseodymium-139 1,000
Praseodymium-142m 1,000
Praseodymium-142 100
Praseodymium-143 100
Praseodymium-144 1,000
Praseodymium-145 100
Praseodymium-147 1,000
Neodymium-136 1,000
Neodymium-138 100
Neodymium-139m 1,000
Neodymium-139 1,000
Neodymium-141 1,000
Neodymium-147 100
Neodymium-149 1,000
Neodymium-151 1,000
Promethium-141 1,000
Promethium-143 100
Promethium-144 10
Promethium-145 10
Promethium-146 1
Promethium-147 10
Promethium-148m 10
Promethium-148 10
Promethium-149 100
Promethium-150 1,000
Promethium-151 100
Samarium-141m 1,000
Samarium-141 1,000
Samarium-142 1,000
Samarium-145 100
Samarium-146 1
Samarium-147 100
Samarium-151 10
Samarium-153 100
Samarium-155 1,000
Samarium-156 1,000
Europium-145 100
Europium-146 100
Europium-147 100
Europium-148 10
Europium-149 100
Europium-150 (12.62h) 100
Europium-150 (34.2y) 1
Europium-152m 100
Europium-152 1
Europium-154 1
Europium-155 10
Europium-156 100
Europium-157 100
Europium-158 1,000
Gadolinium-145 1,000
Gadolinium-146 10
Gadolinium-147 100
Gadolinium-148 0.001
Gadolinium-149 100
Gadolinium-151 10
Gadolinium-152 100
Gadolinium-153 10
Gadolinium-159 100
Terbium-147 1,000
Terbium-149 100
Terbium-150 1,000
Terbium-151 100
Terbium-153 1,000
Terbium-154 100
Terbium-155 1,000
Terbium-156m (5.0h) 1,000
Terbium-156m (24.4h) 1,000
Terbium-156 100
Terbium-157 10
Terbium-158 1
Terbium-160 10
Terbium-161 100
Dysprosium-155 1,000
Dysprosium-157 1,000
Dysprosium-159 100
Dysprosium-165 1,000
Dysprosium-166 100
Holmium-155 1,000
Holmium-157 1,000
Holmium-159 1,000
Holmium-161 1,000
Holmium-162m 1,000
Holmium-162 1,000
Holmium-164m 1,000
Holmium-164 1,000
Holmium-166m 1
Holmium-166 100
Holmium-167 1,000
Erbium-161 1,000
Erbium-165 1,000
Erbium-169 100
Erbium-171 100
Erbium-172 100
Thulium-162 1,000
Thulium-166 100
Thulium-167 100
Thulium-170 10
Thulium-171 10
Thulium-172 100
Thulium-173 100
Thulium-175 1,000
Ytterbium-162 1,000
Ytterbium-166 100
Ytterbium-167 1,000
Ytterbium-169 100
Ytterbium-175 100
Ytterbium-177 1,000
Ytterbium-178 1,000
Lutetium-169 100
Lutetium-170 100
Lutetium-171 100
Lutetium-172 100
Lutetium-173 10
Lutetium-174m 10
Lutetium-174 10
Lutetium-176m 1,000
Lutetium-176 100
Lutetium-177m 10
Lutetium-177 100
Lutetium-178m 1,000
Lutetium-178 1,000
Lutetium-179 1,000
Hafnium-170 100
Hafnium-172 1
Hafnium-173 1,000
Hafnium-175 100
Hafnium-177m 1,000
Hafnium-178m 0.1
Hafnium-179m 10
Hafnium-180m 1,000
Hafnium-181 10
Hafnium-182m 1,000
Hafnium-182 0.1
Hafnium-183 1,000
Hafnium-184 100
Tantalum-172 1,000
Tantalum-173 1,000
Tantalum-174 1,000
Tantalum-175 1,000
Tantalum-176 100
Tantalum-177 1,000
Tantalum-178 1,000
Tantalum-179 100
Tantalum-180m 1,000
Tantalum-180 100
Tantalum-182m 1,000
Tantalum-182 10
Tantalum-183 100
Tantalum-184 100
Tantalum-185 1,000
Tantalum-186 1,000
Tungsten-176 1,000
Tungsten-177 1,000
Tungsten-178 1,000
Tungsten-179 1,000
Tungsten-181 1,000
Tungsten-185 100
Tungsten-187 100
Tungsten-188 10
Rhenium-177 1,000
Rhenium-178 1,000
Rhenium-181 1,000
Rhenium-182 (12.7h) 1,000
Rhenium-182 (64.0h) 100
Rhenium-184m 10
Rhenium-184 100
Rhenium-186m 10
Rhenium-186 100
Rhenium-187 1,000
Rhenium-188m 1,000
Rhenium-188 100
Rhenium-189 100
Osmium-180 1,000
Osmium-181 1,000
Osmium-182 100
Osmium-185 100
Osmium-189m 1,000
Osmium-191m 1,000
Osmium-191 100
Osmium-193 100
Osmium-194 1
Iridium-182 1,000
Iridium-184 1,000
Iridium-185 1,000
Iridium-186 100
Iridium-187 1,000
Iridium-188 100
Iridium-189 100
Iridium-190m 1,000
Iridium-190 100
Iridium-192 (73.8d) 1
Iridium-192m (1.4min.) 10
Iridium-194m 10
Iridium-194 100
Iridium-195m 1,000
Iridium-195 1,000
Platinum-186 1,000
Platinum-188 100
Platinum-189 1,000
Platinum-191 100
Platinum-193m 100
Platinum-193 1,000
Platinum-195m 100
Platinum-197m 1,000
Platinum-197 100
Platinum-199 1,000
Platinum-200 100
Gold-193 1,000
Gold-194 100
Gold-195 10
Gold-198m 100
Gold-198 100
Gold-199 100
Gold-200m 100
Gold-200 1,000
Gold-201 1,000
Mercury-193m 100
Mercury-193 1,000
Mercury-194 1
Mercury-195m 100
Mercury-195 1,000
Mercury-197m 100
Mercury-197 1,000
Mercury-199m 1,000
Mercury-203 100
Thallium-194m 1,000
Thallium-194 1,000
Thallium-195 1,000
Thallium-197 1,000
Thallium-198m 1,000
Thallium-198 1,000
Thallium-199 1,000
Thallium-200 1,000
Thallium-201 1,000
Thallium-202 100
Thallium-204 100
Lead-195m 1,000
Lead-198 1,000
Lead-199 1,000
Lead-200 100
Lead-201 1,000
Lead-202m 1,000
Lead-202 10
Lead-203 1,000
Lead-205 100
Lead-209 1,000
Lead-210 0.01
Lead-211 100
Lead-212 1
Lead-214 100
Bismuth-200 1,000
Bismuth-201 1,000
Bismuth-202 1,000
Bismuth-203 100
Bismuth-205 100
Bismuth-206 100
Bismuth-207 10
Bismuth-210m 0.1
Bismuth-210 1
Bismuth-212 10
Bismuth-213 10
Bismuth-214 100
Polonium-203 1,000
Polonium-205 1,000
Polonium-207 1,000
Polonium-210 0.1
Astatine-207 100
Astatine-211 10
Radon-220 1
Radon-222 1
Francium-222 100
Francium-223 100
Radium-223 0.1
Radium-224 0.1
Radium-225 0.1
Radium-226 0.1
Radium-227 1,000
Radium-228 0.1
Actinium-224 1
Actinium-225 0.01
Actinium-226 0.1
Actinium-227 0.001
Actinium-228 1
Thorium-226 10
Thorium-227 0.01
Thorium-228 0.001
Thorium-229 0.001
Thorium-230 0.001
Thorium-231 100
Thorium-232 100
Thorium-234 10
Thorium-natural 100
Protactinium-227 10
Protactinium-228 1
Protactinium-230 0.1
Protactinium-231 0.001
Protactinium-232 1
Protactinium-233 100
Protactinium-234 100
Uranium-230 0.01
Uranium-231 100
Uranium-232 0.001
Uranium-233 0.001
Uranium-234 0.001
Uranium-235 0.001
Uranium-236 0.001
Uranium-237 100
Uranium-238 100
Uranium-239 1,000
Uranium-240 100
Uranium-natural 100
Neptunium-232 100
Neptunium-233 1,000
Neptunium-234 100
Neptunium-235 100
Neptunium-236 (1.15 × 10 5 y) 0.001
Neptunium-236 (22.5h) 1
Neptunium-237 0.001
Neptunium-238 10
Neptunium-239 100
Neptunium-240 1,000
Plutonium-234 10
Plutonium-235 1,000
Plutonium-236 0.001
Plutonium-237 100
Plutonium-238 0.001
Plutonium-239 0.001
Plutonium-240 0.001
Plutonium-241 0.01
Plutonium-242 0.001
Plutonium-243 1,000
Plutonium-244 0.001
Plutonium-245 100
Americium-237 1,000
Americium-238 100
Americium-239 1,000
Americium-240 100
Americium-241 0.001
Americium-242m 0.001
Americium-242 10
Americium-243 0.001
Americium-244m 100
Americium-244 10
Americium-245 1,000
Americium-246m 1,000
Americium-246 1,000
Curium-238 100
Curium-240 0.1
Curium-241 1
Curium-242 0.01
Curium-243 0.001
Curium-244 0.001
Curium-245 0.001
Curium-246 0.001
Curium-247 0.001
Curium-248 0.001
Curium-249 1,000
Berkelium-245 100
Berkelium-246 100
Berkelium-247 0.001
Berkelium-249 0.1
Berkelium-250 10
Californium-244 100
Californium-246 1
Californium-248 0.01
Californium-249 0.001
Californium-250 0.001
Californium-251 0.001
Californium-252 0.001
Californium-253 0.1
Californium-254 0.001
Any alpha emitting radionuclide not listed above or mixtures of alpha emitters of unknown composition 0.001
Einsteinium-250 100
Einsteinium-251 100
Einsteinium-253 0.1
Einsteinium-254m 1
Einsteinium-254 0.01
Fermium-252 1
Fermium-253 1
Fermium-254 10
Fermium-255 1
Fermium-257 0.01
Mendelevium-257 10
Mendelevium-258 0.01
Any radionuclide other than alpha emitting radionuclides not listed above, or mixtures of beta emitters of unknown composition 0.01