Research Article
Workplace Exposure to Titanium Dioxide Nanopowder Released from a Bag Filter System
Figure 6
Analysis of particle size distribution measured using the OPC: comparison of number-based particle size distribution (a and c) and mass-based particle size distribution (b and d). Panels (a) and (b) refer to the period including task 1, and (c) and (d) to the period including task 2.
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