{
  "url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-2019/schedule-1/part-1",
  "json_url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-2019/schedule-1/part-1.json",
  "legislation": "uksi/2019/703",
  "legislation_title": "The Radiation (Emergency Preparedness and Public Information) Regulations 2019",
  "legislation_url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-2019",
  "path": "schedule/1/part/1",
  "kind": "part",
  "number": "1",
  "heading": "Table of radionuclides",
  "text": "Radionuclide\nForm\nActivity (Bq)\nActinium\nAc-224\n2 x 1011\nAc-225\n3 x 1009\nAc-226\n2 x 1010\nAc-227\n5 x 1007\nAc-228\n7 x 1011\nAluminium\nAl-26\n6 x 1011\nAmericium\nAm-237\n2 x 1014\nAm-238\n9 x 1013\nAm-239\n3 x 1013\nAm-240\n1 x 1013\nAm-241\n3 x 1008\nAm-242\n1 x 1012\nAm-242m\n3 x 1008\nAm-243\n3 x 1008\nAm-244\n7 x 1012\nAm-244m\n2 x 1014\nAm-245\n1 x 1014\nAm-246\n9 x 1013\nAm-246m\n1 x 1014\nAntimony\nSb-115\n2 x 1014\nSb-116\n9 x 1013\nSb-116m\n4 x 1013\nSb-117\n3 x 1014\nSb-118m\n3 x 1013\nSb-119\n1 x 1014\nSb-120\n3 x 1014\nSb-120m\n7 x 1012\nSb-122\n5 x 1012\nSb-124\n2 x 1012\nSb-124n\n1 x 1015\nSb-125\n2 x 1012\nSb-126\n3 x 1012\nSb-126m\n1 x 1014\nSb-127\n4 x 1012\nSb-128\n1 x 1013\nSb-128m\n1 x 1014\nSb-129\n2 x 1013\nSb-130\n4 x 1013\nSb-131\n5 x 1013\nArgon\nAr-37\n2 x 1020\nAr-39\n4 x 1016\nAr-41\n7 x 1013\nArsenic\nAs-69\n1 x 1014\nAs-70\n3 x 1013\nAs-71\n2 x 1013\nAs-72\n5 x 1012\nAs-73\n2 x 1013\nAs-74\n5 x 1012\nAs-76\n5 x 1012\nAs-77\n2 x 1013\nAs-78\n3 x 1013\nAstatine\nAt-207\n1 x 1013\nAt-211\n2 x 1011\nBarium\nBa-126\n3 x 1013\nBa-128\n4 x 1012\nBa-131\n1 x 1013\nBa-131m\n1 x 1015\nBa-133\n2 x 1012\nBa-133m\n1 x 1013\nBa-135m\n2 x 1013\nBa-139\n7 x 1013\nBa-140\n3 x 1012\nBa-141\n1 x 1014\nBa-142\n2 x 1014\nBerkelium\nBk-245\n9 x 1012\nBk-246\n2 x 1013\nBk-247\n4 x 1008\nBk-249\n2 x 1011\nBk-250\n2 x 1013\nBeryllium\nBe-7\n2 x 1014\nBe-10\n8 x 1011\nBismuth\nBi-200\n6 x 1013\nBi-201\n4 x 1013\nBi-202\n4 x 1013\nBi-203\n2 x 1013\nBi-205\n8 x 1012\nBi-206\n4 x 1012\nBi-207\n2 x 1012\nBi-210\n3 x 1011\nBi-210m\n8 x 1009\nBi-212\n1 x 1012\nBi-213\n1 x 1012\nBi-214\n3 x 1012\nBromine\nBr-74\n3 x 1013\nBr-74m\n3 x 1013\nBr-75\n6 x 1013\nBr-76\n1 x 1013\nBr-77\n8 x 1013\nBr-80\n3 x 1014\nBr-80m\n7 x 1013\nBr-82\n1 x 1013\nBr-83\n1 x 1014\nBr-84\n6 x 1013\nCadmium\nCd-104\n2 x 1014\nCd-107\n1 x 1014\nCd-109\n2 x 1012\nCd-113\n2 x 1011\nCd-113m\n2 x 1011\nCd-115\n6 x 1012\nCd-115m\n2 x 1012\nCd-117\n3 x 1013\nCd-117m\n2 x 1013\nCaesium\nCs-125\n1 x 1014\nCs-127\n2 x 1014\nCs-129\n1 x 1014\nCs-130\n2 x 1014\nCs-131\n2 x 1014\nCs-132\n2 x 1013\nCs-134\n4 x 1011\nCs-134m\n2 x 1014\nCs-135\n3 x 1012\nCs-135m\n1 x 1014\nCs-136\n5 x 1012\nCs-137\n4 x 1011\nCs-138\n5 x 1013\nCalcium\nCa-41\n6 x 1013\nCa-45\n2 x 1012\nCa-47\n2 x 1012\nCalifornium\nCf-244\n3 x 1012\nCf-246\n6 x 1010\nCf-248\n3 x 1009\nCf-249\n4 x 1008\nCf-250\n9 x 1008\nCf-251\n4 x 1008\nCf-252\n1 x 1009\nCf-253\n2 x 1010\nCf-254\n5 x 1008\nCarbon\nC-11\n2 x 1014\ncarbon dioxide\n2 x 1014\ncarbon monoxide\n3 x 1014\nmethane\n3 x 1014\nvapour\n2 x 1014\nC-14\n5 x 1012\ncarbon dioxide\n3 x 1012\ncarbon monoxide\n3 x 1012\nmethane\n3 x 1012\nvapour\n3 x 1012\nCerium\nCe-134\n3 x 1012\nCe-135\n1 x 1013\nCe-137\n3 x 1014\nCe-137m\n1 x 1013\nCe-139\n9 x 1012\nCe-141\n5 x 1012\nCe-143\n7 x 1012\nCe-144\n4 x 1011\nChlorine\nCl-36\n3 x 1012\nCl-38\n5 x 1013\nCl-39\n6 x 1013\nChromium\nCr-48\n4 x 1013\nCr-49\n9 x 1013\nCr-51\n2 x 1014\nCobalt\nCo-55\n9 x 1012\nCo-56\n1 x 1012\nCo-57\n1 x 1013\nCo-58\n5 x 1012\nCo-58m\n4 x 1014\nCo-60\n6 x 1011\nCo-60m\n5 x 1015\nCo-61\n1 x 1014\nCo-62m\n7 x 1013\nCopper\nCu-60\n4 x 1013\nCu-61\n5 x 1013\nCu-64\n6 x 1013\nCu-67\n2 x 1013\nCurium\nCm-238\n6 x 1012\nCm-240\n8 x 1009\nCm-241\n7 x 1011\nCm-242\n5 x 1009\nCm-243\n4 x 1008\nCm-244\n5 x 1008\nCm-245\n3 x 1008\nCm-246\n3 x 1008\nCm-247\n3 x 1008\nCm-248\n8 x 1007\nCm-249\n2 x 1014\nCm-250\n1 x 1007\nDysprosium\nDy-155\n6 x 1013\nDy-157\n1 x 1014\nDy-159\n4 x 1013\nDy-165\n7 x 1013\nDy-166\n5 x 1012\nEinsteinium\nEs-250m\n4 x 1013\nEs-251\n1 x 1013\nEs-253\n1 x 1010\nEs-254\n3 x 1009\nEs-254m\n6 x 1010\nErbium\nEr-161\n7 x 1013\nEr-165\n5 x 1014\nEr-169\n1 x 1013\nEr-171\n2 x 1013\nEr-172\n8 x 1012\nEuropium\nEu-145\n1 x 1013\nEu-146\n7 x 1012\nEu-147\n1 x 1013\nEu-148\n3 x 1012\nEu-149\n4 x 1013\nEu-150\n5 x 1011\nEu-150m\n2 x 1013\nEu-152\n6 x 1011\nEu-152m\n2 x 1013\nEu-154\n5 x 1011\nEu-155\n4 x 1012\nEu-156\n3 x 1012\nEu-157\n1 x 1013\nEu-158\n6 x 1013\nFermium\nFm-252\n9 x 1010\nFm-253\n7 x 1010\nFm-254\n4 x 1011\nFm-255\n1 x 1011\nFm-257\n3 x 1009\nFluorine\nF-18\n8 x 1013\nFrancium\nFr-222\n3 x 1012\nFr-223\n4 x 1012\nGadolinium\nGd-145\n7 x 1013\nGd-146\n3 x 1012\nGd-147\n1 x 1013\nGd-148\n1 x 1009\nGd-149\n1 x 1013\nGd-151\n1 x 1013\nGd-152\n2 x 1009\nGd-153\n7 x 1012\nGd-159\n2 x 1013\nGallium\nGa-65\n1 x 1014\nGa-66\n7 x 1012\nGa-67\n4 x 1013\nGa-68\n6 x 1013\nGa-70\n3 x 1014\nGa-72\n8 x 1012\nGa-73\n3 x 1013\nGermanium\nGe-66\n7 x 1013\nGe-67\n9 x 1013\nGe-68\n2 x 1012\nGe-69\n3 x 1013\nGe-71\n6 x 1014\nGe-75\n2 x 1014\nGe-77\n2 x 1013\nGe-78\n7 x 1013\nGold\nAu-193\n6 x 1013\nAu-194\n2 x 1013\nAu-195\n1 x 1013\nAu-198\n7 x 1012\nAu-198m\n6 x 1012\nAu-199\n2 x 1013\nAu-200\n1 x 1014\nAu-200m\n8 x 1012\nAu-201\n3 x 1014\nHafnium\nHf-170\n2 x 1013\nHf-172\n7 x 1011\nHf-173\n4 x 1013\nHf-175\n1 x 1013\nHf-177m\n5 x 1013\nHf-178m\n1 x 1011\nHf-179m\n4 x 1012\nHf-180m\n4 x 1013\nHf-181\n4 x 1012\nHf-182\n1 x 1011\nHf-182m\n1 x 1014\nHf-183\n8 x 1013\nHf-184\n2 x 1013\nHolmium\nHo-155\n1 x 1014\nHo-157\n4 x 1014\nHo-159\n4 x 1014\nHo-161\n6 x 1014\nHo-162\n1 x 1015\nHo-162m\n2 x 1014\nHo-164\n7 x 1014\nHo-164m\n5 x 1014\nHo-166\n6 x 1012\nHo-166m\n2 x 1011\nHo-167\n7 x 1013\nHydrogen\nH-3\n1 x 1014\norganically bound tritium\n3 x 1014\nelemental gas\n7 x 1014\ntritiated methane\n2 x 1015\ntritiated water vapour\n7 x 1014\nIndium\nIn-109\n9 x 1013\nIn-110\n3 x 1013\nIn-110m\n5 x 1013\nIn-111\n3 x 1013\nIn-112\n5 x 1014\nIn-113m\n2 x 1014\nIn-114\n4 x 1015\nIn-114m\n9 x 1011\nIn-115\n7 x 1010\nIn-115m\n8 x 1013\nIn-116m\n5 x 1013\nIn-117\n1 x 1014\nIn-117m\n7 x 1013\nIn-119m\n2 x 1014\nIodine\nI-120\n2 x 1013\nmethyl iodide\n2 x 1013\nelemental\n1 x 1013\nI-120m\n2 x 1013\nmethyl iodide\n2 x 1013\nelemental\n2 x 1013\nI-121\n9 x 1013\nmethyl iodide\n9 x 1013\nelemental\n8 x 1013\nI-123\n3 x 1013\nmethyl iodide\n3 x 1013\nelemental\n3 x 1013\nI-124\n6 x 1011\nmethyl iodide\n5 x 1011\nelemental\n4 x 1011\nI-125\n1 x 1012\nmethyl iodide\n1 x 1012\nelemental\n8 x 1011\nI-126\n3 x 1011\nmethyl iodide\n3 x 1011\nelemental\n2 x 1011\nI-128\n2 x 1014\nmethyl iodide\n2 x 1014\nelemental\n2 x 1014\nI-129\n2 x 1011\nmethyl iodide\n2 x 1011\nelemental\n1 x 1011\nI-130\n3 x 1012\nmethyl iodide\n3 x 1012\nelemental\n3 x 1012\nI-131\n3 x 1011\nmethyl iodide\n2 x 1011\nelemental\n2 x 1011\nI-132\n4 x 1013\nmethyl iodide\n3 x 1013\nelemental\n3 x 1013\nI-132m\n3 x 1013\nmethyl iodide\n3 x 1013\nelemental\n2 x 1013\nI-133\n4 x 1012\nmethyl iodide\n3 x 1012\nelemental\n2 x 1012\nI-134\n4 x 1013\nmethyl iodide\n4 x 1013\nelemental\n4 x 1013\nI-135\n2 x 1013\nmethyl iodide\n1 x 1013\nelemental\n1 x 1013\nIridium\nIr-182\n1 x 1014\nIr-184\n3 x 1013\nIr-185\n3 x 1013\nIr-186\n2 x 1013\nIr-186m\n7 x 1013\nIr-187\n6 x 1013\nIr-188\n1 x 1013\nIr-189\n2 x 1013\nIr-190\n5 x 1012\nIr-190m\n1 x 1015\nIr-190n\n8 x 1013\nIr-192\n3 x 1012\nIr-192n\n8 x 1011\nIr-193m\n2 x 1013\nIr-194\n6 x 1012\nIr-194m\n1 x 1012\nIr-195\n7 x 1013\nIr-195m\n3 x 1013\nIron\nFe-52\n7 x 1012\nFe-55\n2 x 1013\nFe-59\n3 x 1012\nFe-60\n8 x 1010\nKrypton\nKr-74\n2 x 1014\nKr-76\n2 x 1014\nKr-77\n1 x 1014\nKr-79\n4 x 1014\nKr-81\n3 x 1016\nKr-81m\n7 x 1016\nKr-83m\n3 x 1018\nKr-85\n2 x 1016\nKr-85m\n6 x 1014\nKr-87\n1 x 1014\nKr-88\n5 x 1013\nLanthanum\nLa-131\n1 x 1014\nLa-132\n2 x 1013\nLa-135\n3 x 1014\nLa-137\n3 x 1012\nLa-138\n2 x 1011\nLa-140\n1 x 1013\nLa-141\n2 x 1013\nLa-142\n3 x 1013\nLa-143\n2 x 1014\nLead\nPb-195m\n1 x 1014\nPb-198\n8 x 1013\nPb-199\n9 x 1013\nPb-200\n2 x 1013\nPb-201\n5 x 1013\nPb-202\n2 x 1012\nPb-202m\n4 x 1013\nPb-203\n3 x 1013\nPb-205\n3 x 1013\nPb-209\n1 x 1014\nPb-210\n5 x 1009\nPb-211\n2 x 1012\nPb-212\n1 x 1011\nPb-214\n3 x 1012\nLutetium\nLu-169\n2 x 1013\nLu-170\n9 x 1012\nLu-171\n1 x 1013\nLu-172\n6 x 1012\nLu-173\n7 x 1012\nLu-174\n5 x 1012\nLu-174m\n5 x 1012\nLu-176\n4 x 1011\nLu-176m\n5 x 1013\nLu-177\n1 x 1013\nLu-177m\n1 x 1012\nLu-178\n2 x 1014\nLu-178m\n1 x 1014\nLu-179\n4 x 1013\nMagnesium\nMg-28\n4 x 1012\nManganese\nMn-51\n7 x 1013\nMn-52\n5 x 1012\nMn-52m\n6 x 1013\nMn-53\n2 x 1014\nMn-54\n4 x 1012\nMn-56\n3 x 1013\nMendelevium\nMd-257\n1 x 1012\nMd-258\n4 x 1009\nMercury\nHg-193\ninorganic\n6 x 1013\norganic\n8 x 1013\nvapour\n2 x 1013\nHg-193m\ninorganic\n2 x 1013\norganic\n3 x 1013\nvapour\n7 x 1012\nHg-194\ninorganic\n2 x 1012\norganic\n9 x 1011\nvapour\n7 x 1011\nHg-195\ninorganic\n8 x 1013\norganic\n1 x 1014\nvapour\n2 x 1013\nHg-195m\ninorganic\n1 x 1013\norganic\n2 x 1013\nvapour\n3 x 1012\nHg-197\ninorganic\n3 x 1013\norganic\n5 x 1013\nvapour\n6 x 1012\nHg-197m\ninorganic\n1 x 1013\norganic\n2 x 1013\nvapour\n4 x 1012\nHg-199m\ninorganic\n2 x 1014\norganic\n2 x 1014\nvapour\n1 x 1014\nHg-203\ninorganic\n8 x 1012\norganic\n8 x 1012\nvapour\n3 x 1012\nMolybdenum\nMo-90\n2 x 1013\nMo-93\n6 x 1012\nMo-93m\n3 x 1013\nMo-99\n1 x 1013\nMo-101\n1 x 1014\nNeodymium\nNd-136\n9 x 1013\nNd-138\n1 x 1013\nNd-139\n2 x 1014\nNd-139m\n3 x 1013\nNd-141\n8 x 1014\nNd-147\n6 x 1012\nNd-149\n6 x 1013\nNd-151\n2 x 1014\nNeon\nNe-19\n1 x 1016\nNeptunium\nNp-232\n2 x 1014\nNp-233\n2 x 1015\nNp-234\n1 x 1013\nNp-235\n3 x 1013\nNp-236\n4 x 1009\nNp-236m\n3 x 1012\nNp-237\n6 x 1008\nNp-238\n6 x 1012\nNp-239\n9 x 1012\nNp-240\n6 x 1013\nNickel\nNi-56\n9 x 1012\nnickel carbonyl\n9 x 1012\nNi-57\n1 x 1013\nnickel carbonyl\n1 x 1013\nNi-59\n6 x 1013\nnickel carbonyl\n3 x 1013\nNi-63\n2 x 1013\nnickel carbonyl\n1 x 1013\nNi-65\n4 x 1013\nnickel carbonyl\n3 x 1013\nNi-66\n3 x 1012\nnickel carbonyl\n3 x 1012\nNitrogen\nN-13\ngas\n4 x 1014\nNiobium\nNb-88\n5 x 1013\nNb-89\n2 x 1013\nNb-89m\n5 x 1013\nNb-90\n7 x 1012\nNb-93m\n1 x 1013\nNb-94\n5 x 1011\nNb-95\n9 x 1012\nNb-95m\n1 x 1013\nNb-96\n8 x 1012\nNb-97\n9 x 1013\nNb-98m\n4 x 1013\nOsmium\nOs-180\n5 x 1014\nOs-181\n6 x 1013\nOs-182\n2 x 1013\nOs-185\n7 x 1012\nOs-189m\n4 x 1014\nOs-191\n9 x 1012\nOs-191m\n7 x 1013\nOs-193\n1 x 1013\nOs-194\n3 x 1011\nOxygen\nO-15\ngas\n2 x 1015\nPalladium\nPd-100\n1 x 1013\nPd-101\n8 x 1013\nPd-103\n3 x 1013\nPd-107\n5 x 1013\nPd-109\n1 x 1013\nPhosphorus\nP-32\n7 x 1011\nP-33\n4 x 1012\nPlatinum\nPt-186\n8 x 1013\nPt-188\n1 x 1013\nPt-189\n7 x 1013\nPt-191\n3 x 1013\nPt-193\n2 x 1014\nPt-193m\n2 x 1013\nPt-195m\n1 x 1013\nPt-197\n2 x 1013\nPt-197m\n1 x 1014\nPt-199\n2 x 1014\nPt-200\n8 x 1012\nPlutonium\nPu-234\n1 x 1012\nPu-235\n2 x 1015\nPu-236\n8 x 1008\nPu-237\n4 x 1013\nPu-238\n3 x 1008\nPu-239\n3 x 1008\nPu-240\n3 x 1008\nPu-241\n1 x 1010\nPu-242\n3 x 1008\nPu-243\n8 x 1013\nPu-244\n3 x 1008\nPu-245\n1 x 1013\nPu-246\n2 x 1012\nPolonium\nPo-203\n8 x 1013\nPo-205\n7 x 1013\nPo-206\n1 x 1011\nPo-207\n5 x 1013\nPo-208\n3 x 1009\nPo-209\n2 x 1009\nPo-210\n4 x 1009\nPotassium\nK-40\n1 x 1012\nK-42\n2 x 1013\nK-43\n3 x 1013\nK-44\n5 x 1013\nK-45\n8 x 1013\nPraseodymium\nPr-136\n1 x 1014\nPr-137\n1 x 1014\nPr-138m\n4 x 1013\nPr-139\n2 x 1014\nPr-142\n6 x 1012\nPr-142m\n6 x 1014\nPr-143\n5 x 1012\nPr-144\n2 x 1014\nPr-145\n2 x 1013\nPr-147\n2 x 1014\nPromethium\nPm-141\n2 x 1014\nPm-143\n9 x 1012\nPm-144\n2 x 1012\nPm-145\n8 x 1012\nPm-146\n1 x 1012\nPm-147\n5 x 1012\nPm-148\n3 x 1012\nPm-148m\n2 x 1012\nPm-149\n8 x 1012\nPm-150\n3 x 1013\nPm-151\n1 x 1013\nProtactinium\nPa-227\n4 x 1011\nPa-228\n4 x 1011\nPa-230\n4 x 1010\nPa-231\n2 x 1008\nPa-232\n3 x 1012\nPa-233\n5 x 1012\nPa-234\n1 x 1013\nRadium\nRa-223\n3 x 1009\nRa-224\n8 x 1009\nRa-225\n4 x 1009\nRa-226\n3 x 1009\nRa-227\n6 x 1013\nRa-228\n2 x 1009\nRhenium\nRe-177\n5 x 1014\nRe-178\n1 x 1014\nRe-181\n2 x 1013\nRe-182\n5 x 1012\nRe-182m\n3 x 1013\nRe-184\n6 x 1012\nRe-184m\n3 x 1012\nRe-186\n5 x 1012\nRe-186m\n2 x 1012\nRe-187\n1 x 1015\nRe-188\n6 x 1012\nRe-188m\n3 x 1014\nRe-189\n1 x 1013\nRhodium\nRh-99\n1 x 1013\nRh-99m\n9 x 1013\nRh-100\n1 x 1013\nRh-101\n4 x 1012\nRh-101m\n4 x 1013\nRh-102\n2 x 1012\nRh-102m\n9 x 1011\nRh-103m\n2 x 1015\nRh-105\n2 x 1013\nRh-106m\n3 x 1013\nRh-107\n3 x 1014\nRubidium\nRb-79\n9 x 1013\nRb-81\n9 x 1013\nRb-81m\n8 x 1014\nRb-82m\n3 x 1013\nRb-83\n6 x 1012\nRb-84\n4 x 1012\nRb-86\n3 x 1012\nRb-87\n6 x 1012\nRb-88\n9 x 1013\nRb-89\n8 x 1013\nRuthenium\nRu-94\n9 x 1013\nruthenium tetroxide\n8 x 1013\nRu-97\n6 x 1013\nruthenium tetroxide\n6 x 1013\nRu-103\n7 x 1012\nruthenium tetroxide\n1 x 1013\nRu-105\n3 x 1013\nruthenium tetroxide\n3 x 1013\nRu-106\n4 x 1011\nruthenium tetroxide\n8 x 1011\nSamarium\nSm-141\n1 x 1014\nSm-141m\n7 x 1013\nSm-142\n5 x 1013\nSm-145\n1 x 1013\nSm-146\n3 x 1009\nSm-147\n3 x 1009\nSm-151\n7 x 1012\nSm-153\n1 x 1013\nSm-155\n3 x 1014\nSm-156\n3 x 1013\nScandium\nSc-43\n4 x 1013\nSc-44\n2 x 1013\nSc-44m\n4 x 1012\nSc-46\n2 x 1012\nSc-47\n1 x 1013\nSc-48\n5 x 1012\nSc-49\n1 x 1014\nSelenium\nSe-70\n6 x 1013\nSe-73\n3 x 1013\nSe-73m\n2 x 1014\nSe-75\n4 x 1012\nSe-79\n2 x 1012\nSe-81\n3 x 1014\nSe-81m\n1 x 1014\nSe-83\n6 x 1013\nSilicon\nSi-31\n6 x 1013\nSi-32\n3 x 1011\nSilver\nAg-102\n7 x 1013\nAg-103\n1 x 1014\nAg-104\n5 x 1013\nAg-104m\n7 x 1013\nAg-105\n1 x 1013\nAg-106\n2 x 1014\nAg-106m\n6 x 1012\nAg-108m\n6 x 1011\nAg-110m\n1 x 1012\nAg-111\n6 x 1012\nAg-112\n2 x 1013\nAg-115\n1 x 1014\nSodium\nNa-22\n1 x 1012\nNa-24\n1 x 1013\nStrontium\nSr-80\n3 x 1013\nSr-81\n8 x 1013\nSr-82\n1 x 1012\nSr-83\n2 x 1013\nSr-85\n1 x 1013\nSr-85m\n6 x 1014\nSr-87m\n2 x 1014\nSr-89\n2 x 1012\nSr-90\n2 x 1011\nSr-91\n1 x 1013\nSr-92\n2 x 1013\nSulphur\nS-35\ninorganic\n1 x 1013\norganic\n1 x 1013\ngas / vapour\n1 x 1011\nTantalum\nTa-172\n7 x 1013\nTa-173\n4 x 1013\nTa-174\n8 x 1013\nTa-175\n4 x 1013\nTa-176\n2 x 1013\nTa-177\n7 x 1013\nTa-178m\n7 x 1013\nTa-179\n3 x 1013\nTa-180\n1 x 1014\nTa-182\n2 x 1012\nTa-182m\n4 x 1014\nTa-183\n5 x 1012\nTa-184\n1 x 1013\nTa-185\n1 x 1014\nTa-186\n1 x 1014\nTechnetium\nTc-93\n7 x 1013\nTc-93m\n1 x 1014\nTc-94\n3 x 1013\nTc-94m\n5 x 1013\nTc-95\n4 x 1013\nTc-95m\n8 x 1012\nTc-96\n8 x 1012\nTc-96m\n7 x 1014\nTc-97\n2 x 1013\nTc-97m\n6 x 1012\nTc-98\n5 x 1011\nTc-99\n2 x 1012\nTc-99m\n3 x 1014\nTc-101\n3 x 1014\nTc-104\n6 x 1013\nTellurium\nTe-116\n5 x 1013\nvapour\n6 x 1013\nTe-121\n2 x 1013\nvapour\n2 x 1013\nTe-121m\n3 x 1012\nvapour\n2 x 1012\nTe-123\n4 x 1012\nvapour\n2 x 1012\nTe-123m\n4 x 1012\nvapour\n3 x 1012\nTe-125m\n5 x 1012\nvapour\n6 x 1012\nTe-127\n4 x 1013\nvapour\n5 x 1013\nTe-127m\n2 x 1012\nvapour\n2 x 1012\nTe-129\n1 x 1014\nvapour\n1 x 1014\nTe-129m\n2 x 1012\nvapour\n2 x 1012\nTe-131\n9 x 1013\nvapour\n8 x 1013\nTe-131m\n4 x 1012\nvapour\n3 x 1012\nTe-132\n4 x 1012\nvapour\n2 x 1012\nTe-133\n8 x 1013\nvapour\n8 x 1013\nTe-133m\n2 x 1013\nvapour\n2 x 1013\nTe-134\n6 x 1013\nvapour\n6 x 1013\nTerbium\nTb-147\n3 x 1013\nTb-149\n5 x 1012\nTb-150\n2 x 1013\nTb-151\n2 x 1013\nTb-153\n1 x 1013\nTb-154\n1 x 1013\nTb-155\n4 x 1013\nTb-156\n7 x 1012\nTb-156m\n5 x 1013\nTb-156n\n9 x 1013\nTb-157\n2 x 1013\nTb-158\n6 x 1011\nTb-160\n2 x 1012\nTb-161\n9 x 1012\nThallium\nTl-194\n2 x 1014\nTl-194m\n7 x 1013\nTl-195\n1 x 1014\nTl-197\n2 x 1014\nTl-198\n5 x 1013\nTl-198m\n7 x 1013\nTl-199\n2 x 1014\nTl-200\n3 x 1013\nTl-201\n9 x 1013\nTl-202\n2 x 1013\nTl-204\n6 x 1012\nThorium\nTh-226\n6 x 1011\nTh-227\n3 x 1009\nTh-228\n7 x 1008\nTh-229\n1 x 1008\nTh-230\n3 x 1008\nTh-231\n2 x 1013\nTh-232\n3 x 1008\nTh-234\n2 x 1012\nThulium\nTm-162\n9 x 1013\nTm-166\n2 x 1013\nTm-167\n1 x 1013\nTm-170\n2 x 1012\nTm-171\n2 x 1013\nTm-172\n5 x 1012\nTm-173\n3 x 1013\nTm-175\n2 x 1014\nTin\nSn-110\n3 x 1013\nSn-111\n2 x 1014\nSn-113\n6 x 1012\nSn-117m\n7 x 1012\nSn-119m\n9 x 1012\nSn-121\n3 x 1013\nSn-121m\n5 x 1012\nSn-123\n2 x 1012\nSn-123m\n2 x 1014\nSn-125\n2 x 1012\nSn-126\n8 x 1011\nSn-127\n3 x 1013\nSn-128\n5 x 1013\nTitanium\nTi-44\n2 x 1011\nTi-45\n4 x 1013\nTungsten\nW-176\n1 x 1014\nW-177\n9 x 1013\nW-178\n5 x 1013\nW-179\n2 x 1015\nW-181\n9 x 1013\nW-185\n2 x 1013\nW-187\n1 x 1013\nW-188\n4 x 1012\nUranium\nU-230\n2 x 1009\nU-231\n2 x 1013\nU-232\n8 x 1008\nU-233\n3 x 1009\nU-234\n3 x 1009\nU-235\n3 x 1009\nU-236\n3 x 1009\nU-237\n8 x 1012\nU-238\n4 x 1009\nU-239\n3 x 1014\nU-240\n8 x 1012\nVanadium\nV-47\n9 x 1013\nV-48\n3 x 1012\nV-49\n3 x 1014\nXenon\nXe-120\n3 x 1014\nXe-121\n7 x 1013\nXe-122\n2 x 1015\nXe-123\n2 x 1014\nXe-125\n4 x 1014\nXe-127\n4 x 1014\nXe-129m\n4 x 1015\nXe-131m\n1 x 1016\nXe-133\n3 x 1015\nXe-133m\n3 x 1015\nXe-135\n4 x 1014\nXe-135m\n4 x 1014\nXe-138\n1 x 1014\nYtterbium\nYb-162\n3 x 1014\nYb-166\n1 x 1013\nYb-167\n6 x 1014\nYb-169\n6 x 1012\nYb-175\n2 x 1013\nYb-177\n8 x 1013\nYb-178\n7 x 1013\nYttrium\nY-86\n9 x 1012\nY-86m\n2 x 1014\nY-87\n2 x 1013\nY-88\n2 x 1012\nY-90\n3 x 1012\nY-90m\n4 x 1013\nY-91\n2 x 1012\nY-91m\n3 x 1014\nY-92\n2 x 1013\nY-93\n7 x 1012\nY-94\n9 x 1013\nY-95\n1 x 1014\nZinc\nZn-62\n9 x 1012\nZn-63\n7 x 1013\nZn-65\n3 x 1012\nZn-69\n2 x 1014\nZn-69m\n2 x 1013\nZn-71m\n3 x 1013\nZn-72\n6 x 1012\nZirconium\nZr-86\n1 x 1013\nZr-88\n6 x 1012\nZr-89\n1 x 1013\nZr-93\n1 x 1012\nZr-95\n3 x 1012\nZr-97\n4 x 1012",
  "extent": "E+W+S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 1 Pt. 1 in force at 22.5.2019, see reg. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2019/703/schedule/1/part/1",
    "retrieved_at": "2026-10-28T22:42:57.998938+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}