{
  "url": "https://openlegislation.uk/draft-environmental-permitting-england-and-wales-regulations-2016/schedule-23/paragraph-25",
  "json_url": "https://openlegislation.uk/draft-environmental-permitting-england-and-wales-regulations-2016/schedule-23/paragraph-25.json",
  "legislation": "ukdsi/2016/9780111150184",
  "legislation_title": "The Environmental Permitting (England and Wales) Regulations 2016",
  "legislation_url": "https://openlegislation.uk/draft-environmental-permitting-england-and-wales-regulations-2016",
  "path": "schedule/23/paragraph/25",
  "kind": "paragraph",
  "number": "25",
  "heading": "Table 4",
  "text": "The Table 4 referred to in Sections 2 and 3 of this Part—\nTable 4\nRadioactive material and accumulated radioactive waste: values of maximum quantities\nSubstance or article\nMaximum quantity of radionuclides for each substance or article\nMaximum quantity of radionuclides:\n(a) on any premises in items which satisfy the limit in column 2, or\n(b) in mobile radioactive apparatus held by a person\nA sealed source of a type not described in any other row of this Table\n4 x 106 Bq\n2 x 108 Bq\nA Class A gaseous tritium light device\n2 x 1010 Bq\n5 x 1012 Bq\nA Class B gaseous tritium light device\n1 x 1012 Bq\n3 x 1013 Bq\nA Class C gaseous tritium light device\n1 x 1012 Bq\nNo limit\nAny sealed source which is solely radioactive material or radioactive waste because it contains tritium\n2 x 1010 Bq\n5 x 1012 Bq\nA tritium foil source\n2 x 1010 Bq\n5 x 1012 Bq\nA smoke detector affixed to premises\n4 x 106 Bq\nNo limit\nAn electrodeposited source\n6 x 108 Bq Ni-63 or 2 x 108 Bq Fe-55\n6 x 1011 Bq\nA luminised article\n8 x 107 Bq Pm-147 or 4 x 109 Bq H-3\n4 x 1010 Bq Pm-147 or 2 x 1011 Bq H-3\nA Ba-137m eluting source\n4 x 104 Bq Cs-137+\n4 x 105 Bq Cs-137+\nA substance or article which is or contains magnesium alloy or thoriated tungsten in which the thorium concentration does not exceed 4% by mass\nNo limit\nNo limit\nA uranium or thorium compound\nUp to a total of 5kg of uranium and thorium\nUp to a total of 5kg of uranium and thorium\nA substance or article (other than a sealed source) which is intended for use for, used for, or arises from medical or veterinary diagnosis or treatment or clinical or veterinary trials\n1 x 109 Bq Tc-99m\n1 x 109 Bq Tc-99m\nand\nand\nin respect of the total for all other radionuclides—\n2 x 108 Bq of all other radionuclides, (no more than 1 x 108 Bq of which is contained in radioactive material)\n(i) 1 x 108 Bq if the substance or article is radioactive material, or\n(ii) 2 x 108 Bq if the substance or article is radioactive waste",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukdsi/2016/9780111150184/schedule/23/paragraph/25",
    "retrieved_at": "2026-10-30T15:07:48.139767+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."
}