Figure 3. Scanning electron microscope image showing irregular-shaped, angular fugitive dust particles that range in size from 20 to 150 µm

From

Determining the Source of Fugitive Dust in Lattimer, Pennsylvania

L. Dickson, P. Griffith, M. Maresch, D. Molinaro, J. Penrose, J. Calabrese

American Journal of Environmental Protection. 2017, 5(3), 73-77 doi:10.12691/env-5-3-2