{
  "url": "https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004/schedule/paragraph-2",
  "json_url": "https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004/schedule/paragraph-2.json",
  "legislation": "uksi/2004/1255",
  "legislation_title": "The Nuclear Safeguards (Notification) Regulations 2004",
  "legislation_url": "https://openlegislation.uk/nuclear-safeguards-notification-regulations-2004",
  "path": "schedule/paragraph/2",
  "kind": "paragraph",
  "number": "2",
  "heading": null,
  "text": "In paragraph 1:\n“centrifuge rotor tubes” means thin-walled cylinders as described in entry 5.1.1(b);\n“gas centrifuges” means centrifuges as described in the Introductory Note to entry 5.1;\n“diffusion barriers” means thin, porous filters as described in entry 5.3.1(a);\n“laser-based systems” means systems incorporating those items described in entry 5.7;\n“electromagnetic isotope separators” means those items referred to in entry 5.9.1 containing ion sources as described in entry 5.9.1(a);\n“columns or extraction equipment” means those items as described in entries 5.6.1, 5.6.2, 5.6.3, 5.6.5, 5.6.6, 5.6.7 and 5.6.8;\n“aerodynamic separation nozzles or vortex tubes” means separation nozzles and vortex tubes as described respectively in entries 5.5.1 and 5.5.2;\n“uranium plasma generation systems” means systems for the generation of uranium plasma as described in entry 5.8.3;\n“zirconium tubes” means tubes as described in entry 1.6;\n“heavy water or deuterium” means deuterium, heavy water (deuterium oxide) and any other deuterium compound in which the ratio of deuterium to hydrogen atoms exceeds 1:5000;\n“nuclear grade graphite” means graphite having a purity level better than 5 parts per million boron equivalent and with a density greater than 1.50g/cm3;\n“flask for irradiated fuel” means a vessel for the transportation and/or storage of irradiated fuel which provides chemical, thermal and radiological protection, and dissipates decay heat during handling, transportation and storage;\n“reactor control rods” means rods as described in entry 1.4;\n“criticality safe tanks and vessels” means those items as described in entries 3.2 and 3.4;\n“irradiated fuel element chopping machines” means equipment as described in entry 3.1;\n“hot cells” means a cell or interconnected cells totalling at least 6m3 in volume with shielding equal to or greater than the equivalent of 0.5m of concrete, with a density of 3.2g/cm3 or greater, outfitted with equipment for remote operations.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2004/1255/schedule/paragraph/2",
    "retrieved_at": "2026-10-29T05:26:34.038184+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."
}