Brouwer, Derk and Duuren-Stuurman, Birgit and Berges, Markus and Jankowska, Elzbieta and Bard, Delphine and Mark, Dave (2009) From workplace air measurement results toward estimates of exposure? Development of a strategy to assess exposure to manufactured nano-objects. Journal of Nanoparticle Research, 11 (8). pp. 1867-1881.
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In the past few years, an increasing number of studies on workplace air measurements on manufactured nano-materials and -objects have been published. Most of the studies had a more explorative character, so a direct interpretation to workers” exposure for a given exposure situation, activity, or process is not a straight-forward process. In general, the studies use a quite similar package of devices for near real-time monitoring of particle number- and mass concentration in size ranges <100 nm up to 10 μm, and the collection of samples for off-line characterization of air samples. Various approaches for addressing background concentrations and its use to indicate the potential for exposure to nano-objects could be observed. Within the EU-sponsored NANOSH project, a harmonized approach for measurement strategy, data analysis and reporting was developed. In addition to time/activity–concentration profiles as reported by most studies, this approach enables a first step to estimate the potential for exposure to manufactured nano-objects, more quantitatively. The NANOSH data will be collated into a base, which may form the starting point for a harmonized database facilitating overall analysis in near future, to derive estimates for exposure for several exposure situations.
|Uncontrolled Keywords:||Workplace air measurements - Manufactured nano-objects - Inhalation exposure - Surface area - Particle number concentration - Agglomerates - Decision logic - Occupational health - EHS|
|Subjects:||Analytical Science > Metrology and standards in nanotechnology|
Risk > Environment, health and safety aspects of nanotechnology
|Deposited On:||08 Jan 2010 12:06|
|Last Modified:||08 Jan 2010 12:06|
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