{
  "url": "https://openlegislation.uk/air-quality-limit-values-wales-regulations-2002/schedule-7/paragraph-4",
  "json_url": "https://openlegislation.uk/air-quality-limit-values-wales-regulations-2002/schedule-7/paragraph-4.json",
  "legislation": "wsi/2002/3183",
  "legislation_title": "The Air Quality Limit Values (Wales) Regulations 2002",
  "legislation_url": "https://openlegislation.uk/air-quality-limit-values-wales-regulations-2002",
  "path": "schedule/7/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": "Nature and assessment of pollution",
  "text": "—0 concentrations observed over previous years (before the implementation of the improvement measures)\n—0 concentrations measured since the beginning of the project\n—0 techniques used for the assessment.",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2002/3183/schedule/7/paragraph/4",
    "retrieved_at": "2026-10-29T00:12:37.924889+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."
}