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Task c

Task c.

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Task c

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  1. Task c Using, inter alia, the results of the EMEP model, prepare supporting information for the third meeting of Expert Group for reviewing the characteristics of PM as a transboundary pollutant, e.g. contribution to ambient concentrations from national, regional and hemispheric sources, and consider the implications of choosing different particle size fractions; (Co-Chairs to liaise with MSC-W)

  2. Objective and Status of Activities • Address those fractions and sectors which contribute significantly to transboundary transport • transboundary character of PM 10 and PM 2,5 per country has been shown by MSC-W • details available from country reports – summary available? • in addition: disaggregation according to source sectors

  3. Open questions related to task c • Which sectors contribute significantly to the transboundary transport of PM fractions? • Is there a difference in relevant source sectors between EU and EECCA countries? • Can the hemispheric contribution to PM-concentrations be quantified? • to be discussed under TOP 5

  4. Task d (revised) Consider, inter alia, the work of CIAM, MSC-W and CCC on scientific evidence and technical requirements to reduce exposure to primary and secondary PM. Develop, where possible, further technical and non-technical measures to assist parties to reduce PM emissions and exposure and to prepare supporting information for the third meeting of Expert Group (Germany/Co-Chair to liaise with CIAM)

  5. Objectives ot Task d (1) • 1st part to examine options for possible national emission ceilings with a view to • the outcome of task c • the quality of emission data • cost curves as found by TF IAM • closely linked to review of multi-pollutant protocol

  6. Objectives of Task d (2) • 2nd part aims to prepare technical annexes • coverng relevant sectors • compile mandatory or recommended techniques for PM abatement • to be discussed under top 6

  7. Key questions for the report Item 5 EMEP modelling(1) • Transboundary PM characterisation • To what extent is PM a transboundary pollutant? • Is PM a hemispheric pollutant? • Which components of PM have a significant transboundary element? • What are the important emissions sources of transboundary PM?

  8. Key questions for the report Item 5 EMEP modelling(2) • Emissions • Are primary PM emissions important in transboundary pollution? • Are PM emissions inventories robust? • What are the important uncertainties in PM emissions inventories? • How might PM emissions inventories be improved? • Are measurements and modelling robust enough to apportion imported and exported PM?

  9. Key questions for the reportItem 6 Mitigation of primary PM emissions • What are the key sources of primary PM emissions? • What abatement measures are currently used to mitigate primary emissions of ambient PM? • What measures are most suitable for EECCA countries? • What abatement measures are available to further reduce ambient concentrations of ambient PM in (a) EECCA and (b) other countries?

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