• Low volatility metals volatilised through
volcanic output or biological processes (Hg) will
concentrate on the outside surface of
aerosol particles. - surface enrichment
• Small pollutant
aerosol particles are part of the PM10 (Particulate Matter < 10 mm) range of respirable
particles and are easily adsorbed
into the lungs. (changing
to PM2.5)
• The quantity of PM10 aerosol particles
in a sample of air may be
measured using a cyclone elutriator which mass/size selects
a range of particles to
be filter collected.