{
  "url": "https://openlegislation.uk/eu-directive-2012-18/annex-I/annotations/1/annotation/20",
  "json_url": "https://openlegislation.uk/eu-directive-2012-18/annex-I/annotations/1/annotation/20.json",
  "legislation": "eudr/2012/18",
  "legislation_title": "Directive 2012/18/EU of the European Parliament and of the Council of 4 July 2012 on the control of major-accident hazards involving dangerous substances, amending and subsequently repealing Council Directive 96/82/EC (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-directive-2012-18",
  "path": "annex/I/annotations/1/annotation/20",
  "kind": "division",
  "number": "20",
  "heading": "Polychlorodibenzofurans and polychlorodibenzodioxins",
  "text": "The quantities of polychlorodibenzofurans and polychlorodibenzodioxins are calculated using the following factors:\nWHO 2005 TEF\n2,3,7,8-TCDD\n1\n2,3,7,8-TCDF\n0,1\n1,2,3,7,8-PeCDD\n1\n2,3,4,7,8-PeCDF\n0,3\n1,2,3,7,8-PeCDF\n0,03\n1,2,3,4,7,8-HxCDD\n0,1\n1,2,3,6,7,8-HxCDD\n0,1\n1,2,3,4,7,8-HxCDF\n0,1\n1,2,3,7,8,9-HxCDD\n0,1\n1,2,3,7,8,9-HxCDF\n0,1\n1,2,3,6,7,8-HxCDF\n0,1\n1,2,3,4,6,7,8-HpCDD\n0,01\n2,3,4,6,7,8-HxCDF\n0,1\nOCDD\n0,0003\n1,2,3,4,6,7,8-HpCDF\n0,01\n1,2,3,4,7,8,9-HpCDF\n0,01\nOCDF\n0,0003\n(T = tetra, P = penta, Hx = hexa, Hp = hepta, O = octa)\nReference — Van den Berg et al: The 2005 World Health Organisation Re-evaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-like Compounds",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudr/2012/18/annex/I/annotations/1/annotation/20",
    "retrieved_at": "2026-11-01T15:21:57.246231+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."
}