Each year in the U.S., tens of thousands of workers are made sick or die from occupational exposures to hazardous chemicals. Yet, the workplace exposure standards set by the Department of Labor’s Occupational Safety and Health Administration (OSHA) for many of the thousands of chemicals workers use every day are out-of-date or inadequately protective. As part of the ongoing effort to protect workers from exposure to hazardous chemicals, Dr. David Michaels, assistant secretary of labor for Occup...