{
  "url": "https://openlegislation.uk/eu-decision-2017-2117/annex/division-10/division-10.2/division-BAT+79",
  "json_url": "https://openlegislation.uk/eu-decision-2017-2117/annex/division-10/division-10.2/division-BAT+79.json",
  "legislation": "eudn/2017/2117",
  "legislation_title": "Commission Implementing Decision (EU) 2017/2117 of 21 November 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for the production of large volume organic chemicals (notified under document C(2017) 7469) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-2117",
  "path": "annex/division/10/division/10.2/division/BAT+79",
  "kind": "division",
  "number": "BAT 79:",
  "heading": "BAT is to monitor emissions to water with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.",
  "text": "The minimum monitoring frequency may be reduced to once every month if adequate performance of the solids and copper removal is controlled by frequent monitoring of other parameters (e.g. by continuous measurement of turbidity).\nSubstance/Parameter\nPlant\nSampling point\nStandard(s)\nMinimum monitoring frequency\nMonitoring associated with\nEDC\nAll plants\nOutlet of the waste water stripper\nEN ISO 10301\nOnce every day\nBAT 80\nVCM\nCopper\nOxy-chlorination plant using the fluidised-bed design\nOutlet of the pretreatment for solids removal\nVarious EN standards available, e.g. EN ISO 11885, EN ISO 15586, EN ISO 17294-2\nOnce every day\nBAT 81\nPCDD/F\nNo EN standard available\nOnce every 3 months\nTotal suspended solids (TSS)\nEN 872\nOnce every day\nCopper\nOxy-chlorination plant using the fluidised-bed design\nOutlet of the final waste water treatment\nVarious EN standards available, e.g. EN ISO 11885, EN ISO 15586, EN ISO 17294-2\nOnce every month\nBAT 14 and BAT 81\nEDC\nAll plants\nEN ISO 10301\nOnce every month\nBAT 14 and BAT 80\nPCDD/F\nNo EN standard available\nOnce every 3 months\nBAT 14 and BAT 81",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "The minimum monitoring frequency may be reduced to once every month if adequate performance of the solids and copper removal is controlled by frequent monitoring of other parameters (e.g. by continuous measurement of turbidity)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/2117/annex/division/10/division/10.2/division/BAT+79",
    "retrieved_at": "2026-11-01T15:13:18.480772+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."
}