What Is the Hierarchy of Controls in Workplace Safety and How Does It Protect Employees?

Safety managers and industrial hygienists use the hierarchy of controls to manage occupational hazards due to toxic and combustible gases in the workplace. It can reduce accidents and leaks that cause injury and illnesses. The hierarchy of controls provides structural guidelines to keep employees safe. In the US, the National Institute for Occupational Safety and Health has recommended and specified the five steps in the hierarchy of controls for workplace safety.