{
  "url": "https://openlegislation.uk/eu-decision-2018-840/annex",
  "json_url": "https://openlegislation.uk/eu-decision-2018-840/annex.json",
  "legislation": "eudn/2018/840",
  "legislation_title": "Commission Implementing Decision (EU) 2018/840 of 5 June 2018 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 and repealing Commission Implementing Decision (EU) 2015/495 (notified under document C(2018) 3362)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2018-840",
  "path": "annex",
  "kind": "annex",
  "number": null,
  "heading": "Watch list of substances for ... monitoring as set out in Article 8b of Directive 2008/105/EC",
  "text": "Chemical Abstracts Service\nEuropean Union number – not available for all substances\nTo ensure comparability of results from different Member States, all substances shall be monitored in whole water samples.\nExtraction methods:\nLLEliquid liquid extraction\nSPEsolid-phase extraction\nAnalytical methods:\nGC-MSGas chromatography-mass spectrometry\nLC-MS-MSLiquid chromatography (tandem) triple quadrupole mass spectrometry\nErythromycin (CAS number 114-07-8, EU number 204-040-1), Clarithromycin (CAS number 81103-11-9), Azithromycin (CAS number 83905-01-5, EU number 617-500-5)\nImidacloprid (CAS number 105827-78-9/ 138261-41-3, EU number 428-040-8), Thiacloprid (CAS number 111988-49-9), Thiamethoxam (CAS number 153719-23-4, EU number 428-650-4), Clothianidin (CAS number 210880-92-5, EU number 433-460-1), Acetamiprid (CAS number 135410-20-7/160430-64-8)\nName of substance/group of substances\nCAS number\nEU number\nIndicative analytical method\nMaximum acceptable method detection limit (ng/l)\n17-Alpha-ethinylestradiol (EE2)\n57-63-6\n200-342-2\nLarge-volume SPE - LC-MS-MS\n0,035\n17-Beta-estradiol (E2), Estrone (E1)\n50-28-2,\n53-16-7\n200-023-8\nSPE - LC-MS-MS\n0,4\nMacrolide antibiotics\nSPE - LC-MS-MS\n19\nMethiocarb\n2032-65-7\n217-991-2\nSPE - LC-MS-MS\nor GC-MS\n2\nNeonicotinoids\nSPE - LC-MS-MS\n8,3\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",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Word in Annex heading omitted (31.12.2020) by virtue of The Floods and Water (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/558), regs. 1(1), 26(c); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "Chemical Abstracts Service"
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "European Union number – not available for all substances"
    },
    {
      "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:LLEliquid liquid extractionSPEsolid-phase extractionAnalytical methods:GC-MSGas chromatography-mass spectrometryLC-MS-MSLiquid chromatography (tandem) triple quadrupole mass spectrometry"
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "Erythromycin (CAS number 114-07-8, EU number 204-040-1), Clarithromycin (CAS number 81103-11-9), Azithromycin (CAS number 83905-01-5, EU number 617-500-5)"
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "Imidacloprid (CAS number 105827-78-9/ 138261-41-3, EU number 428-040-8), Thiacloprid (CAS number 111988-49-9), Thiamethoxam (CAS number 153719-23-4, EU number 428-650-4), Clothianidin (CAS number 210880-92-5, EU number 433-460-1), Acetamiprid (CAS number 135410-20-7/160430-64-8)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2018/840/annex",
    "retrieved_at": "2026-11-01T15:13:05.784560+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."
}