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For a period of nearly 50 years, silica was one of the most studied occupational hazards in the world. It underwent dozens of evaluations by Science Advisory Boards and regulatory bodies in the pre-1970 era. The focus has nearly always been on those working in foundries, cement factories, cutting of concrete, and some other occupations.
In the post 2010 era, concerns were raised about the adequacy of the occupational exposure limits for silica. Concerns about toxic effects not previously recognized to be important were raised. The litigation associated with exposure to silica has increased substantially in recent years.
We have nearly three decades of experience in studying this dust and would welcome an opportunity to help entities that are seeking advice.
Brew D.W. and T. Slavin. 2020. Chapter 116: Silica and Silica Compounds.
In: Farland, B., Klaunig, J.E., Levy, L., Helmut, G., Becker, R., Brew, D., and D. Paustenbach
(eds.), Patty’s Toxicology. Seventh edition.
Wiley & Sons, New York. In preparation
Occupational Safety and Health Administration, 2016. Occupational Exposure to Respirable Crystalline Silica. Final rule. Federal Register, 81(58), p. 16285.