Figure 11. Chemical analyses for wt.% S in fugitive dust particles (red circles), shale rock samples (white diamonds), and carbonaceous shale (white star) plotted against wt.% Si

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