{
  "url": "https://openlegislation.uk/eu-regulation-2017-655/annex/appendix-8",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-655/annex/appendix-8.json",
  "legislation": "eur/2017/655",
  "legislation_title": "Commission Delegated Regulation (EU) 2017/655 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-655",
  "path": "annex/appendix/8",
  "kind": "appendix",
  "number": "8",
  "heading": null,
  "text": "Test report for in-service monitoring\n1.\nEngine manufacturer information\n1.1.\nMake (trade name(s) of manufacturer)\n1.2.\nCompany name and address of manufacturer\n1.3.\nName and address of manufacturer's authorised representative (if any)\n1.4.\nName(s) and address(es) of assembly/manufacture plant(s)\n2.\nEngine information\n2.1.\nEngine type/family designation\n2.2.\nCategory and sub-category of the engine type/engine family\n2.3.\nType approval number\n2.4.\nCommercial name(s) (if applicable)\n2.5.\nEngine identification number\n2.6.\nEngine production year and month\n2.7.\nEngine rebuilt\n2.8.\nEngine total swept volume [cm 3 ]\n2.9.\nNumber of cylinders\n2.10.\nEngine declared rated net power/rated speed [kW/rpm]\n2.11.\nEngine maximum net power/power speed [kW/rpm]\n2.12.\nEngine declared maximum torque/torque speed [kW/rpm]\n2.13.\nIdle speed [rpm]\n2.14.\nManufacturer supplied full-load torque curve available (yes/no)\n2.15.\nManufacturer supplied full-load torque curve reference number\n2.16.\nDeNOx system (e.g. EGR, SCR)\n2.17.\nType of catalytic converter\n2.18.\nType of particulate trap\n2.19.\nAfter-treatment modified with respect to type approval (yes/no)\n2.20.\nECU information (Software calibration number)\n3.\nNon-road mobile machinery information\n3.1.\nNon-road mobile machinery owner\n3.2.\nCategory(ies) of non-road mobile machinery\n3.3.\nNon-road mobile machinery manufacturer\n3.4.\nNon-road mobile machinery identification number\n3.5.\nNon-road mobile machinery registration number and country of registration (if available)\n3.6.\nNon-road mobile machinery commercial name(s) (if applicable)\n3.7.\nNon-road mobile machinery production year and month\n4.\nEngine/Non-road mobile machinery selection\n4.1.\nNon-road mobile machinery or engine location method\n4.2.\nSelection criteria for non-road mobile machinery, engines, in-service families\n4.3.\nLocation where the tested non-road mobile machinery normally operates\n4.4.\nOperating hours at test start:\n4.4.1. Non-road mobile machinery [h]\n4.4.2. Engine [h]\n5.\nPortable emissions measurement system (PEMS)\n5.1.\nPEMS power supply: external/sourced from non-road mobile machinery\n5.2.\nMeasurement instruments (PEMS) brand and type\n5.3.\nMeasurement instruments (PEMS) calibration date\n5.4.\nCalculation software and version used (e.g. EMROAD 4.0)\n5.5.\nLocation of ambient conditions sensors\n6.\nTest conditions\n6.1.\nDate and time of test\n6.2.\nTest duration [s]\n6.3.\nTest Location\n6.4.\nGeneral weather and ambient conditions (e.g. temperature, humidity, altitude)\n6.4.1.\nAverage ambient conditions (as calculated from the instantaneous measured data)\n6.5.\nHours operated per non-road mobile machinery/engine\n6.6.\nDetailed information on non-road mobile machinery's actual operation\n6.7.\nTest fuel specifications\n6.8.\nLubrication oil specifications\n6.9.\nReagent specifications (if applicable)\n6.10.\nBrief description of the work performed\n7.\nAverage concentration of gaseous pollutant emissions\n7.1.\nAverage HC concentration [ppm] [Not mandatory]\n7.2.\nAverage CO concentration [ppm] [Not mandatory]\n7.3.\nAverage NOx concentration [ppm] [Not mandatory]\n7.4.\nAverage CO2 concentration [ppm] [Not mandatory]\n7.5.\nAverage Exhaust mass flow [kg/h] [Not mandatory]\n7.6.\nAverage Exhaust temperature [°C] [Not mandatory]\n8.\nIntegrated mass of gaseous pollutant emissions\n8.1.\nTHC emissions [g]\n8.2.\nCO emissions [g]\n8.3.\nNOx emissions [g]\n8.4.\nCO2 emissions [g]\n9.\nAveraging window conformity factors (calculated in accordance with Appendices 2 to 5)\n(Minimum, maximum and 90th cumulative percentile)\n9.1.\nWork averaging window THC conformity factor [-]\n9.2.\nWork averaging window CO conformity factor [-]\n9.3.\nWork averaging window NOx conformity factor [-]\n9.4.\nCO2 mass averaging window THC conformity factor [-]\n9.5.\nCO2 mass averaging window CO conformity factor [-]\n9.6.\nCO2 mass averaging window NOx conformity factor [-]\n9.7.\nWork averaging window: minimum and maximum averaging window power [%]\n9.8.\nCO2 mass averaging window: minimum and maximum averaging window duration [s]\n9.9.\nWork averaging window: percentage of valid averaging windows\n9.10.\nCO2 mass averaging window: percentage of valid averaging windows\n9.11.\nCO2 emissions\n10.\nAveraging window conformity factors (calculated in accordance with Appendices 2, 3 and 5 without the determination of valid data in accordance with Appendix 4 and without the determination of valid windows as set out in points 2.2.2 and 2.3.1 of Appendix 5)\n(Minimum, maximum and 90th cumulative percentile)\n10.1.\nWork averaging window THC conformity factor [-]\n10.2.\nWork averaging window CO conformity factor [-]\n10.3.\nWork averaging window NOx conformity factor [-]\n10.4.\nCO2 mass averaging window THC conformity factor [-]\n10.5.\nCO2 mass averaging window CO conformity factor [-]\n10.6.\nCO2 mass averaging window NOx conformity factor [-]\n10.7.\nWork averaging window: minimum and maximum averaging window power [%]\n10.8.\nCO2 mass averaging window: minimum and maximum averaging window duration [s]\n11.\nTest results verification\n11.1.\nTHC analyser zero, span and audit results, pre and post test\n11.2.\nCO analyser zero, span and audit results, pre and post test\n11.3.\nNOx analyser zero-span and audit results, pre and post test\n11.4.\nCO2 analyser zero, span and audit results, pre and post test\n11.5.\nData consistency check results, according to Section 4 of Appendix 3\nI-1.\nInstantaneous measured data\nI-1.1.\nTHC concentration [ppm]\nI-1.2.\nCO concentration [ppm]\nI-1.3.\nNOx concentration [ppm]\nI-1.4.\nCO2 concentration [ppm]\nI-1.5.\nExhaust mass flow [kg/h]\nI-1.6.\nExhaust temperature [°C]\nI-1.7.\nAmbient air temperature [°C]\nI-1.8.\nAmbient pressure [kPa]\nI-1.9.\nAmbient humidity [g/kg] [Not mandatory]\nI-1.10.\nEngine torque [Nm]\nI-1.11.\nEngine speed [rpm]\nI-1.12.\nEngine fuel flow [g/s]\nI-1.13.\nEngine coolant temperature [°C]\nI-1.14.\nNon-road mobile machinery latitude [degree]\nI-1.15.\nNon-road mobile machinery longitude [degree]\nI-2.\nInstantaneous calculated data\nI-2.1.\nTHC mass [g/s]\nI-2.2.\nCO mass [g/s]\nI-2.3.\nNOx mass [g/s]\nI-2.4.\nCO2 mass [g/s]\nI-2.5.\nTHC cumulated mass [g]\nI-2.6.\nCO cumulated mass [g]\nI-2.7.\nNOx cumulated mass [g]\nI-2.8.\nCO2 cumulated mass [g]\nI-2.9.\nCalculated fuel rate[g/s]\nI-2.10.\nEngine power [kW]\nI-2.11.\nEngine work [kWh]\nI-2.12.\nWork averaging window duration [s]\nI-2.13.\nWork averaging window average engine power [%]\nI-2.14.\nWork averaging window THC conformity factor [-]\nI-2.15.\nWork averaging window CO conformity factor [-]\nI-2.16.\nWork averaging window NOx conformity factor [-]\nI-2.17.\nCO2 mass averaging window duration [s]\nI-2.18.\nCO2 mass averaging window THC conformity factor [-]\nI-2.19.\nCO2 mass averaging window CO conformity factor [-]\nI-2.20.\nCO2 mass averaging window NOx conformity factor [-]",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Delegated Regulation (EU) 2018/987 of 27 April 2018 amending and correcting Delegated Regulation (EU) 2017/655 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to monitoring of gaseous pollutant emissions from in-service internal combustion engines installed in non-road mobile machinery (Text with EEA relevance)."
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "Averaging window is the sub-set of the complete calculated data set during the in-service monitoring test whose CO2 mass or work is equal to the engine CO2 mass or work measured over the reference laboratory Non-Road Transient Cycle (NRTC)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/655/annex/appendix/8",
    "retrieved_at": "2026-11-01T14:45:01.033154+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."
}