{
  "url": "https://openlegislation.uk/eu-decision-2014-738/annex/division-2/division-1",
  "json_url": "https://openlegislation.uk/eu-decision-2014-738/annex/division-2/division-1.json",
  "legislation": "eudn/2014/738",
  "legislation_title": "Commission Implementing Decision of 9 October 2014 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions, for the refining of mineral oil and gas (notified under document C(2014) 7155) (Text with EEA relevance) (2014/738/EU)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2014-738",
  "path": "annex/division/2/division/1",
  "kind": "division",
  "number": null,
  "heading": "Averaging periods and reference conditions for emissions to air",
  "text": "Unless stated otherwise, emission levels associated with the best available techniques (BAT-AELs) for emissions to air given in these BAT conclusions refer to concentrations, expressed as mass of emitted substance per volume of waste gas under the following standard conditions: dry gas, temperature of 273,15 K, pressure of 101,3 kPa.\nFor continuous measurements\nBAT-AELs refer to monthly average values, which are the averages of all valid hourly average values measured over a period of one month\nFor periodic measurements\nBAT-AELs refer to the average value of three spot samples of at least 30 minutes each\nFor combustion units, catalytic cracking processes, and waste gas sulphur recovery units, reference conditions for oxygen are shown in Table 1.\nTable 1\nReference conditions for BAT-AELs concerning emissions to air\nIn case of applying BAT 58.\nActivities\nUnit\nOxygen reference conditions\nCombustion unit using liquid or gaseous fuels with the exception of gas turbines and engines\nmg/Nm3\n3 % oxygen by volume\nCombustion unit using solid fuels\nmg/Nm3\n6 % oxygen by volume\nGas turbines (including combined cycle gas turbines — CCGT) and engines\nmg/Nm3\n15 % oxygen by volume\nCatalytic cracking process (regenerator)\nmg/Nm3\n3 % oxygen by volume\nWaste gas sulphur recovery unit\nmg/Nm3\n3 % oxygen by volume",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "In case of applying BAT 58."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2014/738/annex/division/2/division/1",
    "retrieved_at": "2026-11-01T15:14:36.977162+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."
}