{
  "url": "https://openlegislation.uk/nuclear-installations-excepted-matter-regulations-2017/regulation-4",
  "json_url": "https://openlegislation.uk/nuclear-installations-excepted-matter-regulations-2017/regulation-4.json",
  "legislation": "uksi/2017/920",
  "legislation_title": "The Nuclear Installations (Excepted Matter) Regulations 2017",
  "legislation_url": "https://openlegislation.uk/nuclear-installations-excepted-matter-regulations-2017",
  "path": "regulation/4",
  "kind": "regulation",
  "number": "4",
  "heading": "Prescribed activity limits",
  "text": "The activity limits for any one consignment of nuclear matter are—\n(a) for a consignment containing a known single radionuclide, 100 A2 using paragraphs 402-404 of the IAEA Regulations to determine the A2 values;\n(b) for a consignment containing a mixture of radionuclides which are known, the limit determined by the formula set out in the Schedule, using paragraphs 405-406 of the IAEA Regulations to determine the A2 values;\n(c) for a consignment containing single radionuclides or mixtures of radionuclides which are not known or for which relevant data are not available, the limit determined by the formula set out in the Schedule, using paragraph 407 of the IAEA Regulations to determine the A2 values.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Reg. 4 in force at 6.4.2018, see reg. 1"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "A2 refers to the radioactivity value in terabecquerels for radionuclides."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2017/920/regulation/4",
    "retrieved_at": "2026-10-28T23:07:59.447439+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."
}