A worker observed by researchers from the National Institute for Occupational Safety and Health during exposure to silica dust on the job in this undated handout photo.

Industry Deals With Dangers Of Fracking Sand

In 2012 the National Institute for Occupational Safety and Health identified fracking sand as a potential health risk for oil and gas workers. Silicosis is a disease that can develop as a result of exposure to silica in sand. Some oil and gas companies have developed procedures to deal with fracking sand that improves safety conditions for workers.