{
  "url": "https://openlegislation.uk/ionising-radiations-regulations-northern-ireland-2000/schedule-8/paragraph-2",
  "json_url": "https://openlegislation.uk/ionising-radiations-regulations-northern-ireland-2000/schedule-8/paragraph-2.json",
  "legislation": "nisr/2000/375",
  "legislation_title": "Ionising Radiations Regulations (Northern Ireland) 2000",
  "legislation_url": "https://openlegislation.uk/ionising-radiations-regulations-northern-ireland-2000",
  "path": "schedule/8/paragraph/2",
  "kind": "paragraph",
  "number": "2",
  "heading": null,
  "text": "In any case where the isotopic composition of a radioactive substance is not known or is only partially known, the quantity ratio for that substance shall be calculated by using the values specified in the appropriate column in Part I for ‘other radionuclides not listed above’ for any radionuclide that has not been identified or where the quantity of a radionuclide is uncertain, unless the employer can show that the use of some other value is appropriate in the circumstances of a particular case, when he may use that value.",
  "extent": "N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 8 para. 2 in operation at 8.1.2001, see reg. 1(a)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2000/375/schedule/8/paragraph/2",
    "retrieved_at": "2026-10-29T02:13:47.215548+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."
}