{
  "url": "https://openlegislation.uk/radioactive-contaminated-land-modification-of-enactments-wales-regulations-2006/schedule/paragraph-wrapper1n1",
  "json_url": "https://openlegislation.uk/radioactive-contaminated-land-modification-of-enactments-wales-regulations-2006/schedule/paragraph-wrapper1n1.json",
  "legislation": "wsi/2006/2988",
  "legislation_title": "The Radioactive Contaminated Land (Modification of Enactments) (Wales) Regulations 2006",
  "legislation_url": "https://openlegislation.uk/radioactive-contaminated-land-modification-of-enactments-wales-regulations-2006",
  "path": "schedule/paragraph/wrapper1n1",
  "kind": "paragraph",
  "number": null,
  "heading": null,
  "text": "Activity (A): the activity, A, of an amount of a radionuclide in a particular energy state at a given time is the quotient of dN by dt, where dN is the expectation value of the number of spontaneous nuclear transitions from that energy state in the time interval dt:\nA=dNdtthe unit of activity is the becquerel.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2006/2988/schedule/paragraph/wrapper1n1",
    "retrieved_at": "2026-10-29T00:02:28.734462+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."
}