{
  "url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-8/paragraph-11",
  "json_url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-8/paragraph-11.json",
  "legislation": "wsi/2007/717",
  "legislation_title": "The Air Quality Standards (Wales) Regulations 2007",
  "legislation_url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007",
  "path": "schedule/8/paragraph/11",
  "kind": "paragraph",
  "number": "11",
  "heading": null,
  "text": "The data quality objectives set out in the table and paragraphs below are provided to guide quality assurance programmes—\nBenzo(a) pyrene\nArsenic, cadmium and nickel\nPolycyclic aromatic hydrocarbons and total gaseous mercury\nTotal deposition\n(1) Indicative measurement being measurements which are performed at reduced regularity but fulfil the other data quality objectives.\nUncertainty\nFixed and indicative measurements\n50%\n40%\n50%\n70%\nModelling\n60%\n60%\n60%\n60%\nMinimum data capture\n90%\n90%\n90%\n90%\nMinimum time coverage\nFixed measurements\n33%\n50%\nIndicative measurements\n14%\n14%\n14%\n33%",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(1) Indicative measurement being measurements which are performed at reduced regularity but fulfil the other data quality objectives."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2007/717/schedule/8/paragraph/11",
    "retrieved_at": "2026-10-29T00:01:33.213395+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."
}