{
  "url": "https://openlegislation.uk/surface-waters-dangerous-substances-classification-regulations-1989/schedule-2",
  "json_url": "https://openlegislation.uk/surface-waters-dangerous-substances-classification-regulations-1989/schedule-2.json",
  "legislation": "uksi/1989/2286",
  "legislation_title": "The Surface Waters (Dangerous Substances) (Classification) Regulations 1989",
  "legislation_url": "https://openlegislation.uk/surface-waters-dangerous-substances-classification-regulations-1989",
  "path": "schedule/2",
  "kind": "schedule",
  "number": "2",
  "heading": "CLASSIFICATION OF COASTAL WATERS AND RELEVANT TERRITORIAL WATERS (DS2)",
  "text": "(1)\n(2)\nSubstance\nConcentration in microgrammes per litre (annual mean)\nAldrin, Dieldrin, Endrin and Isodrin\n(i) 0·03 for the four substances in total;\n(ii) 0·005 for endrin\nCadmium and its compounds\n2·5 (dissolved cadmium)\nCarbon tetrachloride\n12\nChloroform\n12\nDDT (all isomers)\n0·025\npara-para-DDT\n0·01\nHexachlorobenzene\n0·03\nHexachlorobutadiene\n0·1\nHexachlorocyclohexane (all isomers)\n0·02\nMercury and its compounds\n0·3 (dissolved mercury)\nPentachlorophenol and its compounds\n2",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1989/2286/schedule/2",
    "retrieved_at": "2026-10-29T15:33:32.318470+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."
}