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WLTP-DTP Subgroup Additional Pollutants Progress report

WLTP-DTP Subgroup Additional Pollutants Progress report. Date: 25. Sept. 2012. Meeting schedule. Validation of AP. NO/NO2  sufficient results expected from VP2 N2O  no f urther validation required NH3  additional validation necessary EtOH  additional validation necessary

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WLTP-DTP Subgroup Additional Pollutants Progress report

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  1. WLTP-DTP Subgroup Additional PollutantsProgress report Date: 25. Sept. 2012

  2. Meeting schedule

  3. Validation of AP NO/NO2  sufficient results expected from VP2 N2O  no further validation required NH3  additional validation necessary EtOH  additional validation necessary Aldehydes  additional validation necessary

  4. Open issues for NH3 sampling and measurements In Situ extractive Approach to solve Sampling during engine off x xx  request to labs to collect data Lost sample x  theoretical approach Addition of diluent x  diluent according spec for pure gases Calibration x Loss of NH3 in sample system x  best practice/literature Temperature of analyser (FTIR) x  technical discussion Temperature condition x  best practice/literature Temperature and material x  best practice/literature of sampling lines Filter material x  best practice/literature

  5. Validation of measurement of EtOH and Aldehydes Additional measurement campaign necessary • At least two weeks, ca. sept. 2013 (depending on availability of instruments) • JRC will host (to be confirmed) • Instrument manufacturers methods: • AVL • Horiba • Innova (to be verified) • MAHA • Sensors • GC-Method • FTIR • Call for instruments (on CIRCA) • Vehicles: 2 different FFV, 2 Gasoline

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