On March 18, the Occupational Safety and Health Administration (OSHA) began holding public hearings for the notice of proposed rulemaking on occupational exposure to crystalline silica.

The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) is extending the public comment period for the Notice of Proposed Rulemaking on Occupational Exposure to Crystalline Silica for an additional 15 days to February 11, 2014.