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  "url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2010",
  "json_url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2010.json",
  "id": "wsi/2010/1433",
  "title": "The Air Quality Standards (Wales) Regulations 2010",
  "short_title": "Air Quality Standards 2010",
  "long_title": "These Regulations implement the following Directives—Directive 2008/50/EC on ambient air quality and cleaner air for Europe. (This Directive replaces Council Directive 96/62/EC on ambient air quality assessment and management, Council Directive 1999/30/EC relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air, Council Directive 2000/69/EC relating to limit values for benzene and carbon monoxide in ambient air, and Council Directive 2002/3/EC relating to ozone in ambient air); andDirective 2004/107/EC relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air.",
  "citation": "W.S.I. 2010/1433",
  "type": "wsi",
  "year": "2010",
  "number": "1433",
  "version": "current",
  "date": "2010-05-16",
  "revised": true,
  "valid_from": "2020-12-31",
  "extent": "E+W",
  "unapplied_effects": 0,
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      "heading": "Introductory text",
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      "heading": "Sulphur dioxide, nitrogen dioxide and oxides of nitrogen, PM10, PM2·5, lead, benzene and carbon monoxide",
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  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2010/1433",
    "retrieved_at": "2026-10-28T23:53:41.556554+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."
}