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Non-exhaust PM10 emission factors for road transport

Division for Air Pollution Control and NIR. Non-exhaust PM10 emission factors for road transport. TFEIP/EIONET-Meeting, Transport Expert Panel Stockholm, 2nd May 2011. Overview. Development of PM10-Emissions by Transport in Switzerland Examples of recent studies Results of Swiss APART-Study

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Non-exhaust PM10 emission factors for road transport

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  1. Division for Air Pollution Control and NIR Non-exhaust PM10 emission factors for road transport TFEIP/EIONET-Meeting, Transport Expert PanelStockholm, 2nd May 2011

  2. Overview • Development of PM10-Emissions by Transport in Switzerland • Examples of recent studies • Results of Swiss APART-Study • Comparison with Guidebook 2009 • Conclusion

  3. Development of transport related PM10-emissions in Switzerland

  4. Exemples of recent studies • Switzerland: Abrasion PArticles produced by Road Traffic (APART) 2009 • Germany: Reifenabrieb in Feinstaub, 2009 • Sweden: Nanowear (2009), WEAREM (2009)

  5. Results of APART-Studie Sources of non-exhaust PM10 in Switzerland: • Brake wear important on inner urban streets • Road surface wear rather negligible (no studded tyres) • Tyre wear negligible, > PM10 • Resuspension is very important • Important differences between inner urban streets and highways

  6. Results of APART-Studie

  7. Results of APART-Studie

  8. Comparision with Guidebook 2009 APART: considerable uncertainties were introduced by splitting the fleet emission factors into vehicle type specific emission factors.

  9. Conclusion • Guidebook 2009 emissions factors are probably to high concerning road wear in general and brake/tyre wear for interurban roads • An update of the guidebook emission factors for non-exhaust PM10 should be considered • The introduction of emission factors for resuspended particles should be considered. • Specific emission factors for inner urban and interurban roads should be considered.

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