{
  "url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-22/paragraph-17",
  "json_url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018/schedule-22/paragraph-17.json",
  "legislation": "ssi/2018/219",
  "legislation_title": "The Environmental Authorisations (Scotland) Regulations 2018",
  "legislation_url": "https://openlegislation.uk/environmental-authorisations-scotland-regulations-2018",
  "path": "schedule/22/paragraph/17",
  "kind": "paragraph",
  "number": "17",
  "heading": null,
  "text": "In order to determine the total concentration of dioxins and furans, the mass concentrations of the dibenzo-p-dioxins and dibenzofurans in column 1 of Table 1 must be multiplied by the equivalence factors in column 2 of Table 1 before totalling.\nTable 1\nToxic equivalence factor\n2,3,7,8 — Tetrachlorodibenzodioxin (TCDD)\n1\n1,2,3,7,8 — Pentachlorodibenzodioxin (PeCDD)\n0.5\n1,2,3,4,7,8 — Hexachlorodibenzodioxin (HxCDD)\n0.1\n1,2,3,6,7,8 — Hexachlorodibenzodioxin (HxCDD)\n0.1\n1,2,3,7,8,9 — Hexachlorodibenzodioxin (HxCDD)\n0.1\n1,2,3,4,6,7,8 — Heptachlorodibenzodioxin (HpCDD)\n0.01\nOctachlorodibenzodioxin (OCDD)\n0.001\n2,3,7,8 — Tetrachlorodibenzofuran (TCDF)\n0.1\n2,3,4,7,8 — Pentachlorodibenzofuran (PeCDF)\n0.5\n1,2,3,7,8 — Pentachlorodibenzofuran (PeCDF)\n0.05\n1,2,3,4,7,8 — Hexachlorodibenzofuran (HxCDF)\n0.1\n1,2,3,6,7,8 — Hexachlorodibenzofuran (HxCDF)\n0.1\n1,2,3,7,8,9 — Hexachlorodibenzofuran (HxCDF)\n0.1\n2,3,4,6,7,8 — Hexachlorodibenzofuran (HxCDF)\n0.1\n1,2,3,4,6,7,8 — Heptachlorodibenzofuran (HpCDF)\n0.01\n1,2,3,4,7,8,9 — Heptachlorodibenzofuran (HpCDF)\n0.01\nOctachlorodibenzofuran (OCDF)\n0.001",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Sch. 22 inserted (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 13 (with sch. 23)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2018/219/schedule/22/paragraph/17",
    "retrieved_at": "2026-10-28T21:11:56.403037+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."
}