Session 6B: Work place measurement & modelling

 Session chairs

Miikka Dal Maso, Professor, Tampere University of Technology, University of Helsinki, Finland

Ismo K Koponen, Senior Researcher, the National Research Centre for the Working Environment (NRCWE), Denmark

Session abstract

Occupational and environmental exposure to aerosol particles presents a complex field of study, as the particulate matter sources are often strongly localized and both the aerosol concentration and size distribution vary temporally and spatially with the workplace activities. In addition to heterogeneous aerosol sources, several processes such as coagulation, agglomeration, diffusional deposition, and gravitational settling affect the evolution of the aerosol number size distribution in the workplace. In addition, it is possible that gas-phase vapour compounds condense or partition to the particle phase, changing its composition and toxicity.

These properties of the workplace aerosol pose challenges for both the accurate and representative measurement of workplace aerosol source strength and the physio-chemical properties of the released aerosol, as well as to understanding the dispersion and dynamic evolution of the aerosol once it has been released. In this session, the state of the art in characterization of workplace aerosol will be discussed along with the modelling tools in use for exposure estimation.

Session program

  • Simultaneous modelling of dispersion and aerosol dynamics of workplace aerosol – Invited presentation
    Miikka Dal Maso
  • Airborne particle exposure modelings in indoor settings – Invited presentation
    Antti Joonas Koivisto
  • Testing geometrical layouts for a multi-box aerosol dispersion model in chamber studies
    Alexander CØ Jensen
  • Workplace exposure assessment in the recycling of nano-composites
    Martin Seipenbusch
  • Workplace carbon nanotube exposure: Real-time measurements using an aethalometer
    Karin Elin Lovén
  • Sensing solution for airborne carbon nanotube exposure in workplaces based on surface-enhanced Raman Spectroscopy
    Rudolf Bieri