Curbing a seemingly endless string of combustible dust accidents and clarifying the role company employees can play in chemical accident investigations topped the U.S. Chemical Safety & Hazard Investigation Board agenda at its Oct. 24 business meeting. On dust, CSB announced a “call to action” to gather more information from companies, unions, regulators, workers, and others on safe management and control of combustible dust. CSB investigator Cheryl MacKenzie noted that since 1980, 386 dust-related accidents have occurred in a variety of U.S. industries, including chemical manufacturers and metal and plastic fabrication industries. Those incidents killed 178 workers and injured more than 1,000 others. After several investigations, CSB has recommended four times that the Occupational Safety & Health Administration regulate industrial dust, which OSHA has the authority to do. However, OSHA has not proposed dust regulations. CSB does not have regulatory powers. CSB’s call for information ends Nov. 26. The board