{
  "url": "https://openlegislation.uk/surface-waters-fishlife-classification-regulations-northern-ireland-1997/schedule-2/part-II",
  "json_url": "https://openlegislation.uk/surface-waters-fishlife-classification-regulations-northern-ireland-1997/schedule-2/part-II.json",
  "legislation": "nisr/1997/488",
  "legislation_title": "The Surface Waters (Fishlife) (Classification) Regulations (Northern Ireland) 1997",
  "legislation_url": "https://openlegislation.uk/surface-waters-fishlife-classification-regulations-northern-ireland-1997",
  "path": "schedule/2/part/II",
  "kind": "part",
  "number": "II",
  "heading": "Copper concentrations (mg/1 Cu) for different water hardness values between 10 and 500 mg/l CaCO3",
  "text": "Water hardness (mg/1 CaCO3)\n(1)The presence of fish in waters containing higher concentrations of copper may indicate a predominance of dissolved organo-cupric complexes.\n10\n50\n100\n500\nmg/1 Cu\n0.005\n0.02\n0.04\n0.112",
  "extent": "N.I.",
  "status": "prospective",
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 2 Pt. II in operation at 5.1.1998, see reg. 1"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "(1)The presence of fish in waters containing higher concentrations of copper may indicate a predominance of dissolved organo-cupric complexes."
    }
  ],
  "outstanding_effects": [
    {
      "type": "coming into force",
      "affecting": "nisr/1997/488",
      "affecting_title": "The Surface Waters (Fishlife) (Classification) Regulations (Northern Ireland) 1997"
    },
    {
      "type": "coming into force",
      "affecting": "nisr/1997/488",
      "affecting_title": "The Surface Waters (Fishlife) (Classification) Regulations (Northern Ireland) 1997"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/nisr/1997/488/schedule/2/part/II",
    "retrieved_at": "2026-10-29T02:26:20.518764+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."
}