Size Distribution And Elemental Composition Of
Ultrafine And Nanoparticles
Author(s)
D. Bertolatti & K. Rumchev
Abstract
A large body of epidemiological research has found an association between
increased particulate air pollution and acute and chronic respiratory symptoms.
One area of aerosol science that is currently of much interest, and is the focus
of this article, is the formation of particles by combustion. Our major concern is
with so-called \“nanoparticles” (diameter less than 50 nm), which can be formed,
for example, from diesel engine and can be associated with health effects. One of
the objectives of this pilot study was to characterize the NanoMoudi Model 125B
which a second generation micro-orifice uniform deposit impactor. This new
equipment is designed for sampling atmospheric aerosols and also for diesel
emission monitoring and analysis. As part of this study the concentrations of
particles with different size including PM10, PM2.5, and PM1.0 were also
measured at different locations away from busy road within Perth metropolitan
area using TSI DustTrak™ 8520 Aerosol Particulate Monitor and TSI P-Trak®
8525 Ultrafine Particle Counter.
The results of the study showed that the NanoMoudi could be used to
successfully collect and analyze fine and ultrafine particles including diesel
particulates. Further to this, people who lived closer to busy roads were more
likely to be exposed to higher concentrations of ultrafine particles which could
be associated with adverse health effects.
Keywords: ultrafine particles, diesel particles, NanoMoudi.
Keywords
ultrafine particles, diesel particles, NanoMoudi
Related Book
Other papers in this volume
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