What industries and job roles are most impacted by respirable crystalline silica (RCS) dust exposure?

The industries which are affected greatly by RCS exposure include construction, mining, manufacturing of goods such as  glass, ceramics and tiles, oil and gas especially using fracking and stonework. The positions involve  construction workers, miners, machine operators, ceramic/glass workers, and fracking technicians who handle or process  materials that contain silica that produces dangerous dust.