View all text of Subpart I [§ 173.401 - § 173.477]
§ 173.436 - Exempt material activity concentrations and exempt consignment activity limits for radionuclides.
The Table of Exempt material activity concentrations and exempt consignment activity limits for radionuclides is as follows:
Symbol of
radionuclide | Element and atomic number | Activity concentration for exempt material
(Bq/g) | Activity concentration for exempt material
(Ci/g) | Activity limit for exempt consignment
(Bq) | Activity limit for exempt consignment
(Ci) | Ac-225 | Actinium (89) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Ac-227 | 1.0 × 10 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Ac-228 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ag-105 | Silver (47) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ag-108m (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ag-110m | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ag-111 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Al-26 | Aluminum (13) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Am-241 | Americium (95) | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Am-242m (b) | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Am-243 (b) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Ar-37 | Argon (18) | 1.0 × 10 6 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Ar-39 | 1.0 × 10 7 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Ar-41 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | As-72 | Arsenic (33) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | As-73 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | As-74 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | As-76 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | As-77 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | At-211 | Astatine (85) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Au-193 | Gold (79) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Au-194 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Au-195 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Au-198 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Au-199 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ba-131 | Barium (56) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ba-133 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ba-133m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ba-140 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Be-7 | Beryllium (4) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Be-10 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Bi-205 | Bismuth (83) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Bi-206 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Bi-207 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Bi-210 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Bi-210m | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Bi-212 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Bk-247 | Berkelium (97) | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Bk-249 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Br-76 | Bromine (35) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Br-77 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Br-82 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | C-11 | Carbon (6) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | C-14 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ca-41 | Calcium (20) | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ca-45 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ca-47 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cd-109 | Cadmium (48) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cd-113m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cd-115 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cd-115m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ce-139 | Cerium (58) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ce-141 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ce-143 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ce-144 (b) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cf-248 | Californium (98) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cf-249 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Cf-250 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cf-251 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Cf-252 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cf-253 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cf-254 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Cl-36 | Chlorine (17) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cl-38 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cm-240 | Curium (96) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cm-241 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cm-242 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cm-243 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cm-244 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cm-245 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Cm-246 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Cm-247 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cm-248 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Co-55 | Cobalt (27) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Co-56 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Co-57 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Co-58 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Co-58m | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Co-60 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cr-51 | Chromium (24) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Cs-129 | Cesium (55) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cs-131 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cs-132 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cs-134 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cs-134m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cs-135 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Cs-136 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Cs-137 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Cu-64 | Copper (29) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Cu-67 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Dy-159 | Dysprosium (66) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Dy-165 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Dy-166 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Er-169 | Erbium (68) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Er-171 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-147 | Europium (63) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-148 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-149 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Eu-150 (short lived) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-150 (long lived) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-152 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-152m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-154 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Eu-155 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Eu-156 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | F-18 | Fluorine (9) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Fe-52 | Iron (26) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Fe-55 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Fe-59 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Fe-60 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ga-67 | Gallium (31) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ga-68 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ga-72 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Gd-146 | Gadolinium (64) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Gd-148 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Gd-153 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Gd-159 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ge-68 | Germanium (32) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ge-71 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Ge-77 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Hf-172 | Hafnium (72) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hf-175 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hf-181 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hf-182 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hg-194 | Mercury (80) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hg-195m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hg-197 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Hg-197m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Hg-203 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ho-166 | Holmium (67) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ho-166m | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-123 | Iodine (53) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | I-124 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-125 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-126 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-129 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | I-131 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-132 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | I-133 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | I-134 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | I-135 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | In-111 | Indium (49) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | In-113m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | In-114m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | In-115m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ir-189 | Iridium (77) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ir-190 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ir-192 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Ir-194 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | K-40 | Potassium (19) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | K-42 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | K-43 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Kr-79 | Krypton (36) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Kr-81 | Krypton (36) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Kr-85 | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Kr-85m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 10 | 2.7 × 10 | Kr-87 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | La-137 | Lanthanum (57) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | La-140 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Lu-172 | Lutetium (71) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Lu-173 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Lu-174 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Lu-174m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Lu-177 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Mg-28 | Magnesium (12) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Mn-52 | Manganese (25) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Mn-53 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Mn-54 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Mn-56 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Mo-93 | Molybdenum (42) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Mo-99 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | N-13 | Nitrogen (7) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Na-22 | Sodium (11) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Na-24 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Nb-93m | Niobium (41) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Nb-94 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Nb-95 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Nb-97 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Nd-147 | Neodymium (60) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Nd-149 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ni-59 | Nickel (28) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Ni-63 | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Ni-65 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Np-235 | Neptunium (93) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Np-236 (short-lived) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Np-236 (long-lived) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Np-237 (b) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Np-239 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Os-185 | Osmium (76) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Os-191 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Os-191m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Os-193 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Os-194 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | P-32 | Phosphorus (15) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | P-33 | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Pa-230 | Protactinium (91) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pa-231 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Pa-233 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pb-201 | Lead (82) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pb-202 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pb-203 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pb-205 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pb-210 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pb-212 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Pd-103 | Palladium (46) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Pd-107 | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Pd-109 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pm-143 | Promethium (61) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pm-144 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pm-145 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pm-147 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pm-148m | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pm-149 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pm-151 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Po-210 | Polonium (84) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pr-142 | Praseodymium (59) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Pr-143 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pt-188 | Platinum (78) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pt-191 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pt-193 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pt-193m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pt-195m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pt-197 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pt-197m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Pu-236 | Plutonium (94) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pu-237 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Pu-238 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pu-239 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pu-240 | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Pu-241 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Pu-242 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Pu-244 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Ra-223 (b) | Radium (88) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ra-224 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ra-225 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Ra-226 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Ra-228 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Rb-81 | Rubidium (37) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rb-83 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rb-84 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rb-86 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Rb-87 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Rb(nat) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Re-184 | Rhenium (75) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Re-184m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Re-186 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Re-187 | 1.0 × 10 6 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Re-188 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Re-189 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Re(nat) | 1.0 × 10 6 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Rh-99 | Rhodium (45) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rh-101 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Rh-102 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rh-102m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Rh-103m | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Rh-105 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Rn-222 (b) | Radon (86) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Ru-97 | Ruthenium (44) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ru-103 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ru-105 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ru-106 (b) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | S-35 | Sulphur (16) | 1.0 × 10 5 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Sb-122 | Antimony (51) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Sb-124 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sb-125 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sb-126 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sc-44 | Scandium (21) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sc-46 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sc-47 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sc-48 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Se-75 | Selenium (34) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Se-79 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Si-31 | Silicon (14) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Si-32 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sm-145 | Samarium (62) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Sm-147 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Sm-151 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Sm-153 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sn-113 | Tin (50) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Sn-117m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sn-119m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Sn-121m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Sn-123 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sn-125 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sn-126 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sr-82 | Strontium (38) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sr-85 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sr-85m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Sr-87m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sr-89 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Sr-90 (b) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Sr-91 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Sr-92 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | T(H-3) | Tritium (1) | 1.0 × 10 6 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Ta-178 (long-lived) | Tantalum (73) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Ta-179 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Ta-182 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Tb-157 | Terbium (65) | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Tb-158 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tb-160 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tc-95m | Technetium (43) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tc-96 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tc-96m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Tc-97 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | Tc-97m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Tc-98 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tc-99 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Tc-99m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Te-121 | Tellurium (52) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-121m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-123m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Te-125m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Te-127 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-127m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Te-129 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-129m | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-131m | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Te-132 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Th-227 | Thorium (90) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Th-228 (b) | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Th-229 (b) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Th-230 | 1.0 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Th-231 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Th-232 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Th-234 (b) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Th (nat) (b) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | Ti-44 | Titanium (22) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Tl-200 | Thallium (81) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tl-201 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tl-202 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tl-204 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Tm-167 | Thulium (69) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tm-170 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Tm-171 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 8 | 2.7 × 10 | U-230 (fast lung absorption) (b),(d) | Uranium (92) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-230 (medium lung absorption) (e) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-230 (slow lung absorption) (f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-232 (fast lung absorption) (b),(d) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | U-232 (medium lung absorption) (e) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-232 (slow lung absorption) (f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-233 (fast lung absorption) (d) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-233 (medium lung absorption) (e) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-233 (slow lung absorption) (f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-234 (fast lung absorption) (d) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-234 (medium lung absorption) (e) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-234 (slow lung absorption) (f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-235 (all lung absorption types) (b),(d),(e),(f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-236 (fast lung absorption) (d) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-236 (medium lung absorption) (e) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | U-236 (slow lung absorption) (f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U-238 (all lung absorption types) (b),(d),(e),(f) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | U (nat) (b) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | U (enriched to 20% or less)(g) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | U (dep) | 1.0 | 2.7 × 10 | 1.0 × 10 3 | 2.7 × 10 | V-48 | Vanadium (23) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | V-49 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | W-178 | Tungsten (74) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | W-181 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | W-185 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | W-187 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | W-188 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Xe-122 | Xenon (54) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Xe-123 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 9 | 2.7 × 10 | Xe-127 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Xe-131m | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Xe-133 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 4 | 2.7 × 10 | Xe-135 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 10 | 2.7 × 10 | Y-87 | Yttrium (39) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Y-88 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Y-90 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Y-91 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Y-91m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Y-92 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Y-93 | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 | Yb-169 | Ytterbium (70) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Yb-175 | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Zn-65 | Zinc (30) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Zn-69 | 1.0 × 10 4 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Zn-69m | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Zr-88 | Zirconium (40) | 1.0 × 10 2 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Zr-93 (b) | 1.0 × 10 3 | 2.7 × 10 | 1.0 × 10 7 | 2.7 × 10 | Zr-95 | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 6 | 2.7 × 10 | Zr-97 (b) | 1.0 × 10 1 | 2.7 × 10 | 1.0 × 10 5 | 2.7 × 10 |
---|
a [Reserved]
b Parent nuclides and their progeny included in secular equilibrium are listed as follows:
Sr-90 Y-90
Zr-93 Nb-93m
Zr-97 Nb-97
Ru-106 Rh-106
Ag-108m Ag-108
Cs-137 Ba-137m
Ce-144 Pr-144
Ba-140 La-140
Bi-212 Tl-208 (0.36), Po-212 (0.64)
Pb-210 Bi-210, Po-210
Pb-212 Bi-212, Tl-208 (0.36), Po-212 (0.64)
Rn-222 Po-218, Pb-214, Bi-214, Po-214
Ra-223 Rn-219, Po-215, Pb-211, Bi-211, Tl-207
Ra-224 Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64),
Ra-226 Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210
Ra-228 Ac-228
Th-228 Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64)
Th-229 Ra-225, Ac-225, Fr-221, At-217, Bi-213, Po-213, Pb-209
Th-nat Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64)
Th-234 Pa-234m
U-230 Th-226, Ra-222, Rn-218, Po-214
U-232 Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 (0.36), Po-212 (0.64)
U-235 Th-231
U-238 Th-234, Pa-234m
U-nat Th-234, Pa-234m, U-234, Th-230, Ra-226, Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210
Np-237 Pa-233
Am-242m Am-242
Am-243 Np-239
c [Reserved]
d These values apply only to compounds of uranium that take the chemical form of UF
e These values apply only to compounds of uranium that take the chemical form of UO
f These values apply to all compounds of uranium other than those specified in notes (d) and (e) of this table.
g These values apply to unirradiated uranium only.