Fig. 8: Coarse particle number concentration (APS, left y-axis) and particle mass concentration (DustTrak, right y-axis) measured in the emission zone (EZ) and the background zone (BZ). | Journal of Exposure Science & Environmental Epidemiology

Fig. 8: Coarse particle number concentration (APS, left y-axis) and particle mass concentration (DustTrak, right y-axis) measured in the emission zone (EZ) and the background zone (BZ).

From: Emissions and exposures of graphene nanomaterials, titanium dioxide nanofibers, and nanoparticles during down-stream industrial handling

Fig. 8

The figure shows the measurements during weighing and mixing of the TiO2 NP powder during Study A. a Shows work task A2—day 1 and b shows work task A2—day 2.

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