{
  "url": "https://openlegislation.uk/eu-regulation-2008-692/annex-III/division-3/division-3.9",
  "json_url": "https://openlegislation.uk/eu-regulation-2008-692/annex-III/division-3/division-3.9.json",
  "legislation": "eur/2008/692",
  "legislation_title": "Commission Regulation (EC) No 692/2008 of 18 July 2008 implementing and amending 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 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2008-692",
  "path": "annex/III/division/3/division/3.9",
  "kind": "division",
  "number": "3.9",
  "heading": null,
  "text": "An addition to the requirements of Paragraph 1.3. of Appendix 8 to Annex 4, the following requirements shall apply:\nNon-methane hydrocarbon concentration is calculated as follows:\nCNMHC = CTHC — (Rf CH4 × CCH4)\nwhere:\nCNMHC corrected concentration of NMHC in the diluted exhaust gas, expressed in ppm carbon equivalent,\nCTHC concentration of THC in the diluted exhaust gas, expressed in ppm carbon equivalent and corrected by the amount of THC contained in the dilution air,\nCCH4 concentration of CH4 in the diluted exhaust gas, expressed in ppm carbon equivalent and corrected by the amount of CH4 contained in the dilution air,\nRf CH4 is the FID response factor to methane as defined in paragraph 2.3 of Annex 4-Appendix 6.",
  "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/2008/692/annex/III/division/3/division/3.9",
    "retrieved_at": "2026-11-01T14:52:09.943760+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."
}