{
  "url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/5/division/division-6./division-6.1./division-6.1.2.",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-1151/annex-Sub/5/division/division-6./division-6.1./division-6.1.2..json",
  "legislation": "eur/2017/1151",
  "legislation_title": "Commission Regulation (EU) 2017/1151 of 1 June 2017 supplementing Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information, amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) No 1230/2012 and repealing Commission Regulation (EC) No 692/2008 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-1151",
  "path": "annex/Sub/5/division/division/6./division/6.1./division/6.1.2.",
  "kind": "division",
  "number": "6.1.2",
  "heading": "The following pure gases shall be available, if necessary, for calibration and operation:",
  "text": "6.1.2.1.Nitrogen:\nPurity: ≤ 1 ppm C1, ≤ 1 ppm CO, ≤ 400 ppm CO2, ≤ 0,1 ppm NO, ≤ 0,1 ppm N2O, ≤ 0,1 ppm NH3;\n6.1.2.2.Synthetic air:\nPurity: ≤ 1 ppm C1, ≤ 1 ppm CO, ≤ 400 ppm CO2, ≤ 0,1 ppm NO, ≤ 0,1 ppm NO2; oxygen content between 18 and 21 per cent volume;\n6.1.2.3.Oxygen:\nPurity: > 99,5 per cent vol. O2;\n6.1.2.4.Hydrogen (and mixture containing helium or nitrogen):\nPurity: ≤ 1 ppm C1, ≤ 400 ppm CO2; hydrogen content between 39 and 41 per cent volume;\n6.1.2.5.Carbon monoxide:\nMinimum purity 99,5 per cent;\n6.1.2.6.Propane:\nMinimum purity 99,5 per cent.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Regulation (EU) 2018/1832 of 5 November 2018 amending Directive 2007/46/EC of the European Parliament and of the Council, Commission Regulation (EC) No 692/2008 and Commission Regulation (EU) 2017/1151 for the purpose of improving the emission type approval tests and procedures for light passenger and commercial vehicles, including those for in-service conformity and real-driving emissions and introducing devices for monitoring the consumption of fuel and electric energy (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/1151/annex/Sub/5/division/division/6./division/6.1./division/6.1.2.",
    "retrieved_at": "2026-11-01T14:44:48.753743+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."
}