{
  "url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-northern-ireland-2019/schedule-2",
  "json_url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-northern-ireland-2019/schedule-2.json",
  "legislation": "nisr/2019/185",
  "legislation_title": "The Radiation (Emergency Preparedness and Public Information) Regulations (Northern Ireland) 2019",
  "legislation_url": "https://openlegislation.uk/radiation-emergency-preparedness-and-public-information-regulations-northern-ireland-2019",
  "path": "schedule/2",
  "kind": "schedule",
  "number": "2",
  "heading": "Fissile material",
  "text": "For the purpose of regulation 3(1), the specified mass of a fissile material set out below is—\n(a) plutonium as Pu-239 or Pu-241 or as a mixture of plutonium isotopes containing Pu-239 or Pu-241 – 150 grams;\n(b) uranium as U-233 – 150 grams;\n(c) uranium enriched in U-235 to more than 1% but not more than 5% - 500 grams; and\n(d) uranium enriched in U-235 to more than 5% - 250 grams.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/2019/185/schedule/2",
    "retrieved_at": "2026-10-29T00:45:42.298855+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."
}