ABSTRACT
A review of the literature on the environment health implications
of the developing nanotechnology industry shows that the potential
problem of exposure to nanoparticles has led to elevated concen-
trations of nanomaterials and has not been adequately assessed
(Oberdo¨rster et al., 2005). The health and safety of nanotechnology
workers is of concern because these groups are likely to be
exposed to elevated concentrations of nanomaterials. A gap exists
between currently available particle measurement methods and
those appropriate for nanoaerosol exposure measurement. Two
main types of instruments formeasuring the airborne concentration
of nanoparticle have been used: condensation particle counters
(CPDs) and differential mobility analyzers (DMA).
