{
  "url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-3/division-3.2",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-654/annex-VII/division-3/division-3.2.json",
  "legislation": "eur/2017/654",
  "legislation_title": "Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-654",
  "path": "annex/VII/division/3/division/3.2",
  "kind": "division",
  "number": "3.2",
  "heading": "Symbols for chemical balance",
  "text": "x dil/exh Amount of dilution gas or excess air per mole of exhaust gas\nx H2Oexh Amount of water in exhaust per mole of exhaust gas\nx Ccombdry Amount of carbon from fuel in the exhaust per mole of dry exhaust gas\nx H2Oexhdry Amount of water in exhaust per dry mole of dry exhaust gas\nx prod/intdry Amount of dry stoichiometric products per dry mole of intake air\nx dil/exhdry Amount of dilution gas and/or excess air per mole of dry exhaust gas\nx int/exhdry Amount of intake air required to produce actual combustion products per mole of dry (raw or diluted) exhaust gas\nx raw/exhdry Amount of undiluted exhaust gas, without excess air, per mole of dry (raw or diluted) exhaust gas\nx O2intdry Amount of intake air O2 per mole of dry intake air\nx CO2intdry Amount of intake air CO2 per mole of dry intake air\nx H2Ointdry Amount of intake air H2O per mole of dry intake air\nx CO2int Amount of intake air CO2 per mole of intake air\nx CO2dil Amount of dilution gas CO2 per mole of dilution gas\nx CO2dildry Amount of dilution gas CO2 per mole of dry dilution gas\nx H2Odildry Amount of dilution gas H2O per mole of dry dilution gas\nx H2Odil Amount of dilution gas H2O per mole of dilution gas\nx [emission]meas Amount of measured emission in the sample at the respective gas analyzer\nx [emission]dry Amount of emission per dry mole of dry sample\nx H2O[emission]meas Amount of water in sample at emission-detection location\nx H2Oint Amount of water in the intake air, based on a humidity measurement of intake air",
  "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/2017/654/annex/VII/division/3/division/3.2",
    "retrieved_at": "2026-11-01T14:45:01.864924+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."
}