Silica Health Issues:
More than 14,000 workers in the US have died from silicosis since 1968. From 2005 through 2014, OSHA listed silicosis as the underlying or a contributing cause of death on over 1,100 death certificates in the United States.
Silica Training Material:
Engineering Controls for Silica:
OSHA created a set of PDFs telling how to control exposures in construction while operating specific tools. (2013):
Small Entity Guides: