{
  "url": "https://openlegislation.uk/draft-radioactive-substances-act-1993-amendment-scotland-regulations-2011/schedule",
  "json_url": "https://openlegislation.uk/draft-radioactive-substances-act-1993-amendment-scotland-regulations-2011/schedule.json",
  "legislation": "sdsi/2011/9780111012758",
  "legislation_title": "The Radioactive Substances Act 1993 Amendment (Scotland) Regulations 2011",
  "legislation_url": "https://openlegislation.uk/draft-radioactive-substances-act-1993-amendment-scotland-regulations-2011",
  "path": "schedule",
  "kind": "schedule",
  "number": null,
  "heading": "New Schedule 1A to the Act",
  "text": "“SCHEDULE 1A\nTables of NORM industrial activities, radionuclides and summation rules\nSection 1A-D\nTable 1\nNORM Industrial Activities\nPart 1 Production and use of thorium, or thorium compounds, and the production of products where thorium is deliberately added\nProduction and use of uranium or uranium compounds, and the production of products where uranium is deliberately added\nPart 2 Extraction, production and use of rare earth elements and rare earth element alloys\nMining and processing of ores other than uranium ore\nProduction of oil and gas\nRemoval and management of radioactive scales and precipitates from equipment associated with industrial activities\nAny industrial activity utilising phosphate ore\nManufacture of titanium dioxide pigments\nThe extraction and refining of zircon and manufacture of zirconium compounds\nProduction of tin, copper, aluminium, zinc, lead and iron and steel\nActivities related to coal mine de-watering plants\nWater treatment associated with provision of drinking water and the remediation of contamination from other NORM industrial activities\nChina clay extraction\nTable 2\nConcentration of radionuclides: NORM industrial activities\nRadionuclide\nSolid or relevant liquid Concentration in becquerels per gram (Bq/g)\nAny other liquid concentration in becquerels per litre (Bq/l)\nGaseous concentration in becquerels per cubic metre (Bq/m3)\nU-238sec\n0.5\n0.1\n0.001\nU-238+\n5\n10\n0.01\nU-234\n5\n10\n0.01\nTh-230\n10\n10\n0.001\nRa-226+\n0.5\n1\n0.01\nPb-210+\n5\n0.1\n0.01\nPo-210\n5\n0.1\n0.01\nU-235sec\n1\n0.1\n0.0001\nU-235+\n5\n10\n0.01\nPa-231\n5\n1\n0.001\nAc-227+\n1\n0.1\n0.001\nTh-232sec\n0.5\n0.1\n0.001\nTh-232\n5\n10\n0.001\nRa-228+\n1\n0.1\n0.01\nTh-228+\n0.5\n1\n0.001\n1. “The table 2 summation rule” means the sum of the quotient A/B where—\n(a) “A” means the quantity of each radionuclide listed in column 1 of Table 2 that is present in the substance or article; and\n(b) “B” means the quantity of that radionuclide specified in (as appropriate)—\n(i) column 2 of Table 2 where the substance or article is a solid or a relevant liquid;\n(ii) column 3 of Table 2 where the substance or article is any other liquid; or\n(iii) column 4 of Table 2 where the substance or article is a gas.\nTable 3\nConcentration of radionuclides\nRadionuclide\nConcentration in becquerels per gram (Bq/g)\nH-3\n102\nBe-7\n10\nC-14\n10\nF-18\n1\nNa-22\n0.1\nNa-24\n0.1\nSi-31\n102\nP-32\n102\nP-33\n102\nS-35\n102\nCl-36\n1\nCl-38\n1\nK-42\n10\nK-43\n1\nCa-45\n102\nCa-47\n1\nSc-46\n0.1\nSc-47\n10\nSc-48\n0.1\nV-48\n0.1\nCr-51\n10\nMn-51\n1\nMn-52\n0.1\nMn-52m\n1\nMn-53\n103\nMn-54\n0.1\nMn-56\n1\nFe-52+\n1\nFe-55\n102\nFe-59\n0.1\nCo-55\n1\nCo-56\n0.1\nCo-57\n1\nCo-58\n0.1\nCo-58m\n102\nCo-60\n0.1\nCo-60m\n103\nCo-61\n102\nCo-62m\n1\nNi-59\n102\nNi-63\n102\nNi-65\n1\nCu-64\n10\nZn-65\n1\nZn-69\n102\nZn-69m+\n1\nGa-72\n1\nGe-71\n104\nAs-73\n102\nAs-74\n1\nAs-76\n1\nAs-77\n102\nSe-75\n1\nBr-82\n0.1\nRb-86\n10\nSr-85\n1\nSr-85m\n10\nSr-87m\n10\nSr-89\n10\nSr-90+\n1\nSr-91+\n1\nSr-92\n1\nY-90\n102\nY-91\n10\nY-91m\n1\nY-92\n10\nY-93\n10\nZr-93\n10\nZr-95+\n0.1\nZr-97+\n1\nNb-93m\n102\nNb-94\n0.1\nNb-95\n1\nNb-97+\n1\nNb-98\n1\nMo-90\n1\nMo-93\n10\nMo-99+\n1\nMo-101+\n1\nTc-96\n0.1\nTc-96m\n10\nTc-97\n10\nTc-97m\n10\nTc-99\n1\nTc-99m\n102\nRu-97\n1\nRu-103+\n1\nRu-105+\n1\nRu-106+\n1\nRh-103m\n104\nRh-105\n10\nPd-103+\n103\nPd-109+\n102\nAg-105\n1\nAg-108m+\n0.1\nAg-110m+\n0.1\nAg-111\n10\nCd-109+\n10\nCd-115+\n1\nCd-115m+\n10\nIn-111\n1\nIn-113m\n10\nIn-114m+\n1\nIn-115m\n10\nSn-113+\n1\nSn-125\n1\nSb-122\n1\nSb-124\n0.1\nSb-125+\n1\nTe-123m\n1\nTe-125m\n102\nTe-127\n102\nTe-127m+\n10\nTe-129\n10\nTe-129m+\n10\nTe-131\n10\nTe-131m+\n1\nTe-132+\n0.1\nTe-133+\n1\nTe-133m+\n1\nTe-134\n1\nI-123\n10\nI-125\n1\nI-126\n1\nI-129\n0.1\nI-130\n1\nI-131+\n1\nI-132\n1\nI-133\n1\nI-134\n1\nI-135\n1\nCs-129\n1\nCs-131\n103\nCs-132\n1\nCs-134\n0.1\nCs-134m\n103\nCs-135\n10\nCs-136\n0.1\nCs-137+\n1\nCs-138\n1\nBa-131\n1\nBa-140\n0.1\nLa-140\n0.1\nCe-139\n1\nCe-141\n10\nCe-143\n1\nCe-144+\n10\nPr-142\n10\nPr-143\n102\nNd-147\n10\nNd-149\n10\nPm-147\n102\nPm-149\n102\nSm-151\n102\nSm-153\n10\nEu-152\n0.1\nEu-152m\n10\nEu-154\n0.1\nEu-155\n10\nGd-153\n10\nGd-159\n10\nTb-160\n0.1\nDy-165\n102\nDy-166\n10\nHo-166\n10\nEr-169\n102\nEr-171\n10\nTm-170\n10\nTm-171\n102\nYb-175\n10\nLu-177\n10\nHf-181\n1\nTa-182\n0.1\nW-181\n10\nW-185\n102\nW-187\n1\nRe-186\n102\nRe-188\n10\nOs-185\n1\nOs-191\n10\nOs-191m\n103\nOs-193\n10\nIr-190\n0.1\nIr-192\n0.1\nIr-194\n10\nPt-191\n1\nPt-193m\n102\nPt-197\n102\nPt-197m\n102\nAu-198\n1\nAu-199\n10\nHg-197\n10\nHg-197m\n10\nHg-203\n1\nTl-200\n1\nTl-201\n10\nTl-202\n1\nTl-204\n10\nPb-203\n1\nPb-210+\n0.01\nPb-212+\n1\nBi-206\n0.1\nBi-207\n0.1\nBi-210\n10\nBi-212+\n1\nPo-203\n1\nPo-205\n1\nPo-207\n1\nPo-210\n0.01\nAt-211\n102\nRa-223+\n1\nRa-224+\n1\nRa-225\n1\nRa-226+\n0.01\nRa-227\n10\nRa-228+\n0.01\nAc-227+\n0.01\nAc-228\n1\nTh-226+\n102\nTh-227\n1\nTh-228+\n0.1\nTh-229+\n0.1\nTh-230\n0.1\nTh-231\n102\nTh-232\n0.01\nTh-232+\n0.01\nTh-232sec\n0.01\nTh-234+\n10\nPa-230\n1\nPa-231\n0.01\nPa-233\n1\nU-230+\n1\nU-231\n10\nU-232+\n0.1\nU-233\n1\nU-234\n1\nU-235+\n1\nU-235sec\n0.01\nU-236\n1\nU-237\n10\nU-238+\n1\nU-238sec\n0.01\nU-239\n102\nU-240+\n10\nNp-237+\n0.1\nNp-239\n10\nNp-240\n1\nPu-234\n102\nPu-235\n102\nPu-236\n0.1\nPu-237\n10\nPu-238\n0.1\nPu-239\n0.1\nPu-240\n0.1\nPu-241\n1\nPu-242\n0.1\nPu-243\n102\nPu-244+\n0.1\nAm-241\n0.1\nAm-242\n102\nAm-242m+\n0.1\nAm-243+\n0.1\nCm-242\n1\nCm-243\n0.1\nCm-244\n0.1\nCm-245\n0.1\nCm-246\n0.1\nCm-247+\n0.1\nCm-248\n0.1\nBk-249\n10\nCf-246\n10\nCf-248\n1\nCf-249\n0.1\nCf-250\n0.1\nCf-251\n0.1\nCf-252\n0.1\nCf-253\n1\nCf-253+\n1\nCf-254\n0.1\nEs-253\n1\nEs-254+\n0.1\nEs-254m+\n1\nFm-254\n102\nFm-255\n10\nAny other solid or non-aqueous liquid radionuclide that is not of natural terrestrial or cosmic origin\n0.01, 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 using guidance by Euratom in RP 122 part 1or any successor Euratom guidance or decision applying to the derivation of the concentrations in this table, in which case that concentration.\n2. “The table 3 summation rule” means the sum of the quotient A/B where—\n(a) “A” means the concentration of each radionuclide listed in column 1 of Table 3 that is present in the substance or article, and\n(b) “B” means the quantity of that radionuclide specified in column 2 of Table 3.\nTable 4\nRadionuclides in Secular Equilibrium\nParent radionuclide\nDaughter radionuclides\nAc-227+\nTh-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211\nAg-108m+\nAg-108\nAg-110m+\nAg-110\nAm-242m+\nNp-238\nAm-243+\nNp-239\nBi-212+\nTl-208\nCd-109+\nAg-109m\nCd-115+\nIn-115m\nCd-115m+\nIn-115m\nCe-144+\nPr-144, Pr-144m\nCf-253+\nCm-249\nCm-247+\nPu-243\nCs-137+\nBa-137m\nEs-254+\nBk-250\nEs-254m+\nFm-254\nFe-52+\nMn-52m\nI-131+\nXe-131m\nIn-114m+\nIn-114\nMo-99+\nTc-99m\nMo-101+\nTc-101\nNb-97+\nNb-97m\nNp-237+\nPa-233\nPb-210+\nBi-210, Po-210\nPb-212+\nBi-212, Tl-208\nPd-103+\nRh-103m\nPd-109+\nAg-109m\nPu-244+\nU-240, Np-240m, Np-240\nRa-223+\nRn-219, Po-215, Pb-211, Bi-211, Tl-207\nRa-224+\nRn-220, Po-216, Pb-212, Bi-212, Tl-208\nRa-226+\nRn-222, Po-218, Pb-214, Bi-214, Po-214\nRa-228+\nAc-228\nRu-103+\nRh-103m\nRu-105+\nRh-105m\nRu-106+\nRh-106\nSb-125+\nTe-125m\nSn-113+\nIn-113m\nSr-90+\nY-90\nSr-91+\nY-91m\nTe-127m+\nTe-127\nTe-129m+\nTe-129\nTe-131m+\nTe-131\nTe-132+\nI-132\nTe-133+\nI-133, Xe-133m, Xe-133\nTe-133m+\nTe-133, I-133, Xe-133m, Xe-133\nTh-226+\nRa-222, Rn-218, Po-214\nTh-228+\nRa-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208\nTh-229+\nRa-225, Ac-225, Fr-221, At-217, Bi-213, Tl-209, Pb-209\nTh-232+\nRa-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208\nTh-232sec\nRa-228, Ac-228, Th-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Po-212, Tl-208\nTh-234+\nPa-234m, Pa-234\nU-230+\nTh-226, Ra-222, Rn-218, Po-214\nU-232+\nTh-228, Ra-224, Rn-220, Po-216, Pb-212, Bi-212, Tl-208\nU-235+\nTh-231\nU-235sec\nTh-231, Pa-231, Ac-227, Th-227, Fr-223, Ra-223, Rn-219, Po-215, Pb-211, Bi-211, Tl-207, Po-211\nU-238+\nTh-234, Pa-234m, Pa-234\nU-238sec\nTh-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\nU-240+\nNp-240m, Np-240\nZn-69m+\nZn-69\nZr-95+\nNb-95m\nZr-97+\nNb-97m, Nb-97\n”",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "EC 2000. Radiation Protection 122: Practical use of the concepts of clearance and exemption. Report RP122 Luxembourg. European Commission."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/sdsi/2011/9780111012758/schedule",
    "retrieved_at": "2026-10-30T15:37:06.762821+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."
}