Radioactive Substances Act 1993
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SCHEDULE 1A Tables of NORM industrial activities, radionuclides and summation rules
Section 1A-D Table 1 NORM Industrial Activities Part 1 Production and use of thorium, or thorium compounds, and the production of products where thorium is deliberately added Production and use of uranium or uranium compounds, and the production of products where uranium is deliberately added Part 2 Extraction, production and use of rare earth elements and rare earth element alloys Mining and processing of ores other than uranium ore Production of oil and gas Removal and management of radioactive scales and precipitates from equipment associated with industrial activities Any industrial activity utilising phosphate ore Manufacture of titanium dioxide pigments The extraction and refining of zircon and manufacture of zirconium compounds Production of tin, copper, aluminium, zinc, lead and iron and steel Activities related to coal mine de-watering plants Water treatment associated with provision of drinking water and the remediation of contamination from other NORM industrial activities China clay extraction Geothermal energy production Table 2 Concentration of radionuclides: NORM industrial activities Radionuclide | Solid or relevant liquid concentration in becquerels per gram (Bq/g) | Any other liquid concentration in becquerels per litre (Bq/l) | Gaseous concentration in becquerels per cubic metre (Bq/m³) U-238sec | 1 | 0.1 | 0.001 U-238+ | 5 | 10 | 0.01 U-234 | 5 | 10 | 0.01 Th-230 | 10 | 10 | 0.001 Ra-226+ | 1 | 1 | 0.1 Pb-210+ | 5 | 0.1 | 0.1 Po-210 | 5 | 0.1 | 0.1 U-235sec | 1 | 0.1 | 0.0001 U-235+ | 5 | 10 | 0.01 Pa-231 | 5 | 1 | 0.001 Ac-227+ | 1 | 0.1 | 0.001 Th-232sec | 1 | 0.1 | 0.001 Th-232 | 5 | 10 | 0.001 Ra228+ | 1 | 0.1 | 0.01 Th-228+ | 1 | 1 | 0.001 Table 3 Concentration of radionuclides Radionuclide | Concentration in becquerels per gram (Bq/g) H-3 | 10² Be-7 | 10 C-14 | 10 F-18 | 10 Na-22 | 0.1 Na-24 | 1 Si-31 | 10³ P-32 | 10³ P-33 | 10³ S-35 | 10² CI-36 | 1 CI-38 | 10 K-42 | 10² K-43 | 10 Ca-45 | 10² Ca-47 | 10 Sc-46 | 0.1 Sc-47 | 10² Sc-48 | 1 V-48 | 1 Cr-51 | 10² Mn-51 | 10 Mn-52 | 1 Mn-52m | 10 Mn-53 | 10² Mn-54 | 0.1 Mn-56 | 10 Fe-52+ | 10 Fe-55 | 10³ Fe-59 | 1 Co-55 | 10 Co-56 | 0.1 Co-57 | 1 Co-58 | 1 Co-58m | 10⁴ Co-60 | 0.1 Co-60m | 10³ Co-61 | 10² Co-62m | 10 Ni-59 | 10² Ni-63 | 10² Ni-65 | 10 Cu-64 | 10² Zn-65 | 0.1 Zn-69 | 10³ Zn-69m+ | 10 Ga-72 | 10 Ge-71 | 10⁴ As-73 | 10³ As-74 | 10 As-76 | 10 As-77 | 10³ Se-75 | 1 Br-82 | 1 Rb-86 | 10² Sr-85 | 1 Sr-85m | 10² Sr-87m | 10² Sr-89 | 10³ Sr-90+ | 1 Sr-91+ | 10 Sr-92 | 10 Y-90 | 10³ Y-91 | 10² Y-91m | 10² Y-92 | 10² Y-93 | 10² Zr-93 | 10 Zr-95+ | 1 Zr-97+ | 10 Nb-93m | 10 Nb-94 | 0.1 Nb-95 | 1 Nb-97+ | 10 Nb-98 | 10 Mo-90 | 10 Mo-93 | 10 Mo-99+ | 10 Mo-101+ | 10 Tc-96 | 1 Tc-96m | 10³ Tc-97 | 10 Tc-97m | 10 Tc-99 | 1 Tc-99m | 10² Ru-97 | 10 Ru-103+ | 1 Ru-105+ | 10 Ru-106+ | 0.1 Rh-103m | 10⁴ Rh-105 | 10² Pd-103+ | 10³ Pd-109+ | 10² Ag-105 | 1 Ag-108m+ | 0.1 Ag-110m+ | 0.1 Ag-111 | 10 Cd-109+ | 1 Cd-115+ | 10² Cd-115m+ | 10² In-111 | 10 In-113m | 10² In-114m | 10 In-115m | 10² Sn-113+ | 1 Sn-125 | 10 Sb-122 | 10 Sb-124 | 1 Sb-125+ | 0.1 Te-123m | 1 Te-125m | 10³ Te-127 | 10³ Te-127m+ | 10 Te-129 | 10² Te-129m+ | 10 Te-131 | 10² Te-131m+ | 10 Te-132+ | 1 Te-133+ | 10 Te-133m+ | 10 Te-134 | 10 I-123 | 10² I-125 | 10² I-126 | 10 I-129 | 0.01 I-130 | 10 I-131+ | 10 I-132 | 10 I-133 | 10 I-134 | 10 I-135 | 10 Cs-129 | 10 Cs-131 | 10³ Cs-132 | 10 Cs-134 | 0.1 Cs-134m | 10³ Cs-135 | 10² Cs-136 | 1 Cs-137+ | 1 Cs-138 | 10 Ba-131 | 10 Ba-140 | 1 La-140 | 1 Ce-139 | 1 Ce-141 | 100 Ce-143 | 10 Ce-144+ | 10 Pr-142 | 10² Pr-143 | 10³ Nd-147 | 10² Nd-149 | 10² Pm-147 | 10³ Pm-149 | 10³ Sm-151 | 10³ Sm-153 | 10 Eu-152 | 0.1 Eu-152m | 10 Eu-154 | 0.1 Eu-155 | 1 Gd-153 | 10 Gd-159 | 10² Tb-160 | 1 Dy-165 | 10³ Dy-166 | 10² Ho-166 | 10² Er-169 | 10³ Er-171 | 10² Tm-170 | 10² Tm-171 | 10³ Yb-175 | 10² Lu-177 | 10² Hf-181 | 1 Ta-182 | 0.1 W-181 | 10 W-185 | 10³ W-187 | 10 Re-186 | 10³ Re-188 | 10² Os-185 | 10³ Os-191 | 10² Os-191m | 10³ Os-193 | 10² Ir-190 | 1 Ir-192 | 1 Ir-194 | 10² Pt-191 | 10 Pt-193m | 10³ Pt-197 | 10³ Pt-197m | 10² Au-198 | 10 Au-199 | 10² Hg-197 | 10² Hg-197m | 10² Hg-203 | 10 TI-200 | 10 TI-201 | 10² TI-202 | 10 TI-204 | 1 Pb-203 | 10 Pb-210+ | 0.01 Pb-212+ | 1 Bi-206 | 1 Bi-207 | 0.1 Bi-210 | 10 Bi-212+ | 1 Po-203 | 10 Po-205 | 10 Po-207 | 10 Po-210 | 0.01 At-211 | 10³ Ra-223+ | 1 Ra-224+ | 1 Ra-225 | 10 Ra-226+ | 0.01 Ra-227 | 10² Ra-228+ | 0.01 Ac-227+ | 0.01 Ac-228 | 1 Th-226+ | 10³ Th-227 | 1 Th-228+ | 0.1 Th-229 | 0.1 Th-230 | 0.1 Th-231 | 10² Th-232 | 0.01 Th-232+ | 0.01 Th-232sec | 0.01 Th-234+ | 10 Pa-230 | 10 Pa-231 | 0.01 Pa-233 | 10 U-230 | 10 U-231 | 10² U-232+ | 0.1 U-233 | 1 U-234 | 1 U-235+ | 1 U-235sec | 0.01 U-236 | 10 U-237 | 10² U-238+ | 1 U-238sec | 0.01 U-239 | 10² U-240+ | 10² Np-237+ | 1 Np-239 | 10² Np-240 | 10 Pu-234 | 10³ Pu-235 | 10² Pu-236 | 1 Pu-237 | 10² Pu-238 | 0.1 Pu-239 | 0.1 Pu-240 | 0.1 Pu-241 | 10 Pu-242 | 0.1 Pu-243 | 10³ Pu-244+ | 0.1 Am-241 | 0.1 Am-242 | 10³ Am-242m+ | 0.1 Am-243+ | 0.1 Cm-242 | 10 Cm-243 | 1 Cm-244 | 1 Cm-245 | 0.1 Cm-246 | 0.1 Cm-247+ | 0.1 Cm-248 | 0.1 Bk-249 | 10² Cf-246 | 10³ Cf-248 | 1 Cf-249 | 0.1 Cf-250 | 1 Cf-251 | 0.1 Cf-252 | 1 Cf-253 | 10² Cf-253+ | 10² Cf-254 | 1 Es-253 | 10² Es-254+ | 0.1 Es-254m+ | 10 Fm-254 | 10⁴ Fm-255 | 10² Any other solid or non-aqueous liquid radionuclide that is not of natural terrestrial or cosmic origin | 0.01, unless the concentration which gives rise to the same 10 µSv/year dose criteria as used in column 2 of this table can be calculated by reference to the IAEA publication “Application of the Concepts of Exclusion, Exemption and Clearance” IAEA Safety Standards Series NO. RS-G-1.7. Table 4 Radionuclides in Secular Equilibrium Parent radionuclide | Daughter radionuclides Ac-227+ | Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211 Ag-108m+ | Ag-108 Ag-110m+ | Ag-110 Am-242m+ | Np-238 Am-243+ | Np-239 Bi-212+ | Tl-208 Cd-109+ | Ag-109m Cd-115+ | In-115m Cd-115m+ | In-115m Ce-144+ | Pr-144, Pr-144m Cf-253+ | Cm-249 Cm-247+ | Pu-243 Cs-137+ | Ba-137m Es-254+ | Bk-250 Es-254m+ | Fm-254 Fe-52+ | Mn-52m I-131+ | Xe-131m In-114m+ | In-114 Mo-99+ | Tc-99m Mo-101+ | Tc-101 Nb-97+ | Nb-97m Np-237+ | Pa-233 Pb-210+ | Bi-210, Po-210 Pb-212+ | Bi-212, Tl-208 Pd-103+ | Rh-103m Pd-109+ | Ag-109m Pu-244+ | U-240, Np-240m, Np-240 Ra-223+ | Rn-219, Po-215, Pb-211, Bi-211, Tl-207 Ra-224+ | Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Ra-226+ | Rn-222, Po-218, Pb-214, Bi-214, Po-214 Ra-228+ | Ac-228 Ru-103+ | Rh-103m Ru-105+ | Rh-105m Ru-106+ | Rh-106 Sb-125+ | Te-125m Sn-113+ | In-113m Sr-90+ | Y-90 Sr-91+ | Y-91m Te-127m+ | Te-127 Te-129m+ | Te-129 Te-131m+ | Te-131 Te-132+ | I-132 Te-133+ | I-133, Xe-133m, Xe-133 Te-133m+ | Te-133, I-133, Xe-133m, Xe-133 Th-226+ | Ra-222, Rn-218, Po-214 Th-228+ | Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Th-229+ | Ra-225, Ac-225, Fr-221, At-217, Bi-213, Tl-209, Pb-209 Th-232+ | Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Th-232sec | Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Po-212, Tl-208 Th-234+ | Pa-234m, Pa-234 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 U-235+ | Th-231 U-235sec | Th-231, Pa-231, Ac-227, Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211 U-238+ | Th-234, Pa-234m, Pa-234 U-238sec | Th-234, Pa-234m, Pa-234, U-234, Th-230, Ra-226, Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210 U-240+ | Np-240m, Np-240 Zn-69m+ | Zn-69 Zr-95+ | Nb-95m Zr-97+ | Nb-97m, Nb-97
SCHEDULE 1A Tables of NORM industrial activities, radionuclides and summation rules
Section 1A-D Table 1 NORM Industrial Activities Part 1 Production and use of thorium, or thorium compounds, and the production of products where thorium is deliberately added Production and use of uranium or uranium compounds, and the production of products where uranium is deliberately added Part 2 Extraction, production and use of rare earth elements and rare earth element alloys Mining and processing of ores other than uranium ore Production of oil and gas Removal and management of radioactive scales and precipitates from equipment associated with industrial activities Any industrial activity utilising phosphate ore Manufacture of titanium dioxide pigments The extraction and refining of zircon and manufacture of zirconium compounds Production of tin, copper, aluminium, zinc, lead and iron and steel Activities related to coal mine de-watering plants Water treatment associated with provision of drinking water and the remediation of contamination from other NORM industrial activities China clay extraction Geothermal energy production Table 2 Concentration of radionuclides: NORM industrial activities Radionuclide | Solid or relevant liquid concentration in becquerels per gram (Bq/g) | Any other liquid concentration in becquerels per litre (Bq/l) | Gaseous concentration in becquerels per cubic metre (Bq/m³) U-238sec | 1 | 0.1 | 0.001 U-238+ | 5 | 10 | 0.01 U-234 | 5 | 10 | 0.01 Th-230 | 10 | 10 | 0.001 Ra-226+ | 1 | 1 | 0.1 Pb-210+ | 5 | 0.1 | 0.1 Po-210 | 5 | 0.1 | 0.1 U-235sec | 1 | 0.1 | 0.0001 U-235+ | 5 | 10 | 0.01 Pa-231 | 5 | 1 | 0.001 Ac-227+ | 1 | 0.1 | 0.001 Th-232sec | 1 | 0.1 | 0.001 Th-232 | 5 | 10 | 0.001 Ra228+ | 1 | 0.1 | 0.01 Th-228+ | 1 | 1 | 0.001 Table 3 Concentration of radionuclides Radionuclide | Concentration in becquerels per gram (Bq/g) H-3 | 10² Be-7 | 10 C-14 | 10 F-18 | 10 Na-22 | 0.1 Na-24 | 1 Si-31 | 10³ P-32 | 10³ P-33 | 10³ S-35 | 10² CI-36 | 1 CI-38 | 10 K-42 | 10² K-43 | 10 Ca-45 | 10² Ca-47 | 10 Sc-46 | 0.1 Sc-47 | 10² Sc-48 | 1 V-48 | 1 Cr-51 | 10² Mn-51 | 10 Mn-52 | 1 Mn-52m | 10 Mn-53 | 10² Mn-54 | 0.1 Mn-56 | 10 Fe-52+ | 10 Fe-55 | 10³ Fe-59 | 1 Co-55 | 10 Co-56 | 0.1 Co-57 | 1 Co-58 | 1 Co-58m | 10⁴ Co-60 | 0.1 Co-60m | 10³ Co-61 | 10² Co-62m | 10 Ni-59 | 10² Ni-63 | 10² Ni-65 | 10 Cu-64 | 10² Zn-65 | 0.1 Zn-69 | 10³ Zn-69m+ | 10 Ga-72 | 10 Ge-71 | 10⁴ As-73 | 10³ As-74 | 10 As-76 | 10 As-77 | 10³ Se-75 | 1 Br-82 | 1 Rb-86 | 10² Sr-85 | 1 Sr-85m | 10² Sr-87m | 10² Sr-89 | 10³ Sr-90+ | 1 Sr-91+ | 10 Sr-92 | 10 Y-90 | 10³ Y-91 | 10² Y-91m | 10² Y-92 | 10² Y-93 | 10² Zr-93 | 10 Zr-95+ | 1 Zr-97+ | 10 Nb-93m | 10 Nb-94 | 0.1 Nb-95 | 1 Nb-97+ | 10 Nb-98 | 10 Mo-90 | 10 Mo-93 | 10 Mo-99+ | 10 Mo-101+ | 10 Tc-96 | 1 Tc-96m | 10³ Tc-97 | 10 Tc-97m | 10 Tc-99 | 1 Tc-99m | 10² Ru-97 | 10 Ru-103+ | 1 Ru-105+ | 10 Ru-106+ | 0.1 Rh-103m | 10⁴ Rh-105 | 10² Pd-103+ | 10³ Pd-109+ | 10² Ag-105 | 1 Ag-108m+ | 0.1 Ag-110m+ | 0.1 Ag-111 | 10 Cd-109+ | 1 Cd-115+ | 10² Cd-115m+ | 10² In-111 | 10 In-113m | 10² In-114m | 10 In-115m | 10² Sn-113+ | 1 Sn-125 | 10 Sb-122 | 10 Sb-124 | 1 Sb-125+ | 0.1 Te-123m | 1 Te-125m | 10³ Te-127 | 10³ Te-127m+ | 10 Te-129 | 10² Te-129m+ | 10 Te-131 | 10² Te-131m+ | 10 Te-132+ | 1 Te-133+ | 10 Te-133m+ | 10 Te-134 | 10 I-123 | 10² I-125 | 10² I-126 | 10 I-129 | 0.01 I-130 | 10 I-131+ | 10 I-132 | 10 I-133 | 10 I-134 | 10 I-135 | 10 Cs-129 | 10 Cs-131 | 10³ Cs-132 | 10 Cs-134 | 0.1 Cs-134m | 10³ Cs-135 | 10² Cs-136 | 1 Cs-137+ | 1 Cs-138 | 10 Ba-131 | 10 Ba-140 | 1 La-140 | 1 Ce-139 | 1 Ce-141 | 100 Ce-143 | 10 Ce-144+ | 10 Pr-142 | 10² Pr-143 | 10³ Nd-147 | 10² Nd-149 | 10² Pm-147 | 10³ Pm-149 | 10³ Sm-151 | 10³ Sm-153 | 10 Eu-152 | 0.1 Eu-152m | 10 Eu-154 | 0.1 Eu-155 | 1 Gd-153 | 10 Gd-159 | 10² Tb-160 | 1 Dy-165 | 10³ Dy-166 | 10² Ho-166 | 10² Er-169 | 10³ Er-171 | 10² Tm-170 | 10² Tm-171 | 10³ Yb-175 | 10² Lu-177 | 10² Hf-181 | 1 Ta-182 | 0.1 W-181 | 10 W-185 | 10³ W-187 | 10 Re-186 | 10³ Re-188 | 10² Os-185 | 10³ Os-191 | 10² Os-191m | 10³ Os-193 | 10² Ir-190 | 1 Ir-192 | 1 Ir-194 | 10² Pt-191 | 10 Pt-193m | 10³ Pt-197 | 10³ Pt-197m | 10² Au-198 | 10 Au-199 | 10² Hg-197 | 10² Hg-197m | 10² Hg-203 | 10 TI-200 | 10 TI-201 | 10² TI-202 | 10 TI-204 | 1 Pb-203 | 10 Pb-210+ | 0.01 Pb-212+ | 1 Bi-206 | 1 Bi-207 | 0.1 Bi-210 | 10 Bi-212+ | 1 Po-203 | 10 Po-205 | 10 Po-207 | 10 Po-210 | 0.01 At-211 | 10³ Ra-223+ | 1 Ra-224+ | 1 Ra-225 | 10 Ra-226+ | 0.01 Ra-227 | 10² Ra-228+ | 0.01 Ac-227+ | 0.01 Ac-228 | 1 Th-226+ | 10³ Th-227 | 1 Th-228+ | 0.1 Th-229 | 0.1 Th-230 | 0.1 Th-231 | 10² Th-232 | 0.01 Th-232+ | 0.01 Th-232sec | 0.01 Th-234+ | 10 Pa-230 | 10 Pa-231 | 0.01 Pa-233 | 10 U-230 | 10 U-231 | 10² U-232+ | 0.1 U-233 | 1 U-234 | 1 U-235+ | 1 U-235sec | 0.01 U-236 | 10 U-237 | 10² U-238+ | 1 U-238sec | 0.01 U-239 | 10² U-240+ | 10² Np-237+ | 1 Np-239 | 10² Np-240 | 10 Pu-234 | 10³ Pu-235 | 10² Pu-236 | 1 Pu-237 | 10² Pu-238 | 0.1 Pu-239 | 0.1 Pu-240 | 0.1 Pu-241 | 10 Pu-242 | 0.1 Pu-243 | 10³ Pu-244+ | 0.1 Am-241 | 0.1 Am-242 | 10³ Am-242m+ | 0.1 Am-243+ | 0.1 Cm-242 | 10 Cm-243 | 1 Cm-244 | 1 Cm-245 | 0.1 Cm-246 | 0.1 Cm-247+ | 0.1 Cm-248 | 0.1 Bk-249 | 10² Cf-246 | 10³ Cf-248 | 1 Cf-249 | 0.1 Cf-250 | 1 Cf-251 | 0.1 Cf-252 | 1 Cf-253 | 10² Cf-253+ | 10² Cf-254 | 1 Es-253 | 10² Es-254+ | 0.1 Es-254m+ | 10 Fm-254 | 10⁴ Fm-255 | 10² Any other solid or non-aqueous liquid radionuclide that is not of natural terrestrial or cosmic origin | 0.01, unless the concentration which gives rise to the same 10 µSv/year dose criteria as used in column 2 of this table can be calculated by reference to the IAEA publication “Application of the Concepts of Exclusion, Exemption and Clearance” IAEA Safety Standards Series NO. RS-G-1.7. Table 4 Radionuclides in Secular Equilibrium Parent radionuclide | Daughter radionuclides Ac-227+ | Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211 Ag-108m+ | Ag-108 Ag-110m+ | Ag-110 Am-242m+ | Np-238 Am-243+ | Np-239 Bi-212+ | Tl-208 Cd-109+ | Ag-109m Cd-115+ | In-115m Cd-115m+ | In-115m Ce-144+ | Pr-144, Pr-144m Cf-253+ | Cm-249 Cm-247+ | Pu-243 Cs-137+ | Ba-137m Es-254+ | Bk-250 Es-254m+ | Fm-254 Fe-52+ | Mn-52m I-131+ | Xe-131m In-114m+ | In-114 Mo-99+ | Tc-99m Mo-101+ | Tc-101 Nb-97+ | Nb-97m Np-237+ | Pa-233 Pb-210+ | Bi-210, Po-210 Pb-212+ | Bi-212, Tl-208 Pd-103+ | Rh-103m Pd-109+ | Ag-109m Pu-244+ | U-240, Np-240m, Np-240 Ra-223+ | Rn-219, Po-215, Pb-211, Bi-211, Tl-207 Ra-224+ | Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Ra-226+ | Rn-222, Po-218, Pb-214, Bi-214, Po-214 Ra-228+ | Ac-228 Ru-103+ | Rh-103m Ru-105+ | Rh-105m Ru-106+ | Rh-106 Sb-125+ | Te-125m Sn-113+ | In-113m Sr-90+ | Y-90 Sr-91+ | Y-91m Te-127m+ | Te-127 Te-129m+ | Te-129 Te-131m+ | Te-131 Te-132+ | I-132 Te-133+ | I-133, Xe-133m, Xe-133 Te-133m+ | Te-133, I-133, Xe-133m, Xe-133 Th-226+ | Ra-222, Rn-218, Po-214 Th-228+ | Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Th-229+ | Ra-225, Ac-225, Fr-221, At-217, Bi-213, Tl-209, Pb-209 Th-232+ | Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208 Th-232sec | Ra-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Po-212, Tl-208 Th-234+ | Pa-234m, Pa-234 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 U-235+ | Th-231 U-235sec | Th-231, Pa-231, Ac-227, Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211 U-238+ | Th-234, Pa-234m, Pa-234 U-238sec | Th-234, Pa-234m, Pa-234, U-234, Th-230, Ra-226, Rn-222, Po-218, Pb-214, Bi-214, Po-214, Pb-210, Bi-210, Po-210 U-240+ | Np-240m, Np-240 Zn-69m+ | Zn-69 Zr-95+ | Nb-95m Zr-97+ | Nb-97m, Nb-97
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