{
  "url": "https://openlegislation.uk/eu-decision-2020-1161/annex",
  "json_url": "https://openlegislation.uk/eu-decision-2020-1161/annex.json",
  "legislation": "eudn/2020/1161",
  "legislation_title": "Commission Implementing Decision (EU) 2020/1161 of 4 August 2020 establishing a watch list of substances for Union-wide monitoring in the field of water policy pursuant to Directive 2008/105/EC of the European Parliament and of the Council (notified under document number C(2020) 5205) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2020-1161",
  "path": "annex",
  "kind": "annex",
  "number": null,
  "heading": "Watch list of substances for Union-wide monitoring as set out in Article 8b of Directive 2008/105/EC",
  "text": "Chemical Abstracts Service.\nEuropean Union number.\nTo ensure comparability of results from different Member States, all substances shall be monitored in whole water samples.\nExtraction methods:\nLLE – liquid liquid extraction\nSPE – solid-phase extraction\nAnalytical methods:\nLC-MS-MS – Liquid chromatography (tandem) triple quadrupole mass spectrometry.\nSulfamethoxazole and trimethoprim shall be analysed together in the same samples but reported as individual concentrations.\nVenlafaxine and O-desmethylvenlafaxine shall be analysed together in the same samples but reported as individual concentrations.\nThe azole compounds shall be analysed together in the same samples but reported as individual concentrations.\nName of substance/group of substances\nCAS number\nEU number\nIndicative analytical method\nMaximum acceptable method detection limit (ng/l)\nMetaflumizone\n139968-49-3\n604-167-6\nLLE-LC-MS-MS or SPE–LC-MS-MS\n65\nAmoxicillin\n26787-78-0\n248-003-8\nSPE-LC-MS-MS\n78\nCiprofloxacin\n85721-33-1\n617-751-0\nSPE-LC-MS-MS\n89\nSulfamethoxazole\n723-46-6\n211-963-3\nSPE-LC-MS-MS\n100\nTrimethoprim\n738-70-5\n212-006-2\nSPE-LC-MS-MS\n100\nVenlafaxine and\nO-desmethylvenlafaxine\n93413-69-5\n93413-62-8\n618-944-2\n700-516-2\nSPE-LC-MS-MS\n6\nAzole compounds\nSPE-LC-MS-MS\nClotrimazole\nFluconazole\nImazalil\nIpconazole\nMetconazole\nMiconazole\nPenconazole\nProchloraz\nTebuconazole\nTetraconazole\n23593-75-1\n86386-73-4\n35554-44-0\n125225-28-7\n125116-23-6\n22916-47-8\n66246-88-6\n67747-09-5\n107534-96-3\n112281-77-3\n245-764-8\n627-806-0\n252-615-0\n603-038-1\n603-031-3\n245-324-5\n266-275-6\n266-994-5\n403-640-2\n407-760-6\n20\n250\n800\n44\n29\n200\n1 700\n161\n240\n1 900\nDimoxystrobin\n149961-52-4\n604-712-8\nSPE-LC-MS-MS\n32\nFamoxadone\n131807-57-3\n603-520-1\nSPE-LC-MS-MS\n8,5",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Chemical Abstracts Service."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "European Union number."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "To ensure comparability of results from different Member States, all substances shall be monitored in whole water samples."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "Extraction methods: LLE – liquid liquid extraction SPE – solid-phase extraction Analytical methods: LC-MS-MS – Liquid chromatography (tandem) triple quadrupole mass spectrometry."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "Sulfamethoxazole and trimethoprim shall be analysed together in the same samples but reported as individual concentrations."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "Venlafaxine and O-desmethylvenlafaxine shall be analysed together in the same samples but reported as individual concentrations."
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "The azole compounds shall be analysed together in the same samples but reported as individual concentrations."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2020/1161/annex",
    "retrieved_at": "2026-11-01T15:12:11.735890+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."
}