{
  "url": "https://openlegislation.uk/eu-regulation-2012-601/annex-IV/division-16/division-B/division-B.4",
  "json_url": "https://openlegislation.uk/eu-regulation-2012-601/annex-IV/division-16/division-B/division-B.4.json",
  "legislation": "eur/2012/601",
  "legislation_title": "Commission Regulation (EU) No 601/2012 of 21 June 2012 on the monitoring and reporting of greenhouse gas emissions pursuant to Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance) (repealed)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2012-601",
  "path": "annex/IV/division/16/division/B/division/B.4",
  "kind": "division",
  "number": "B.4",
  "heading": "Oxygen (O2) concentrations",
  "text": "The operator shall measure the oxygen concentrations in the flue gas where necessary for calculating the flue gas flow in accordance with subsection B.3 of this section of Annex IV. In doing so, the operator shall comply with the requirements for concentration measurements within Article 41(1) and (2). In determining the uncertainty of N2O emissions, the operator shall take the uncertainty of O2 concentration measurements into account.\nThe operator shall adjust all measurements to a dry gas basis where required and report them consistently.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2012/601/annex/IV/division/16/division/B/division/B.4",
    "retrieved_at": "2026-11-01T14:49:20.227833+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."
}