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Appendix B
Appendix B to Part 30--Quantities1
of Licensed Material Requiring Labeling
Materials |
Microcuries |
Americium-241 |
.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 9.2h |
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 |
Krpton-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 |
Molbdenum-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 |
.01 |
Polonium-210 |
0.1 |
Potassium-42 |
10 |
Praseodymium-142 |
100 |
Praseodymium-143 |
100 |
Promethium-147 |
10 |
Promethium-149 |
10 |
Radium-226 |
.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 |
Seleium-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 |
0.10 |
Strontium-91 |
10 |
Strontium-92 |
10 |
Sulphur-35 |
100 |
Tantalum-182 |
10 |
Technetium-96 |
10 |
Technetium-97m |
100 |
Technetium-97 |
100 |
Technetium-99m |
100 |
Technetium-99 |
10 |
Tellurium-125m |
10 |
Tellurium127m |
10 |
Tellurium-127 |
100 |
Tellurium129m |
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 |
Throium (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 |
.01 |
Uranium-234--Uranium-235 |
.01 |
Vandium-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 |
.01 |
Any radionuclide other than alpha emitting
radio-nuclides, not listed above or mixtures of beta emitters of unknown
composition |
.1 |
1Based on alpha disintegration rate
of Th-232, Th-230 and their daughter products.
2Based on alpha disintegration rate of
U-238, U-234, and U-235.
Note: For purposes of § 20.303, where there is involved a combination
of isotopes in known amounts, the limit for the combination should be
derived as follows: Determine, for each isotope in the combination, the
ratio between the quantity present in the combination and the limit otherwise
established for the specific isotope when not in combination. The sum
of such ratios for all the isotopes in the combination may not exceed
"1" (i.e., "unity").
[35 FR 6425, Apr. 22, 1970, as amended at 36 FR 16898, Aug. 26, 1971; 38 FR 29314, Oct. 24, 1973; 39 FR 23991, June
28, 1974; 45 FR 71763, Oct. 30, 1980. Redesignated at 56 FR 23391, May 21, 1991, and further redesignated at 58 FR
67659, Dec. 22, 1993]
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