The Department of Industrial Relations’ (DIR) Occupational Safety and Health Standards Board today approved a landmark regulation to strengthen workplace safety and health at oil refineries across the state. The new regulation provides a framework for anticipating, preventing and responding to hazards at refineries. The approved regulation introduces a new refinery safety order enforced by Cal/OSHA’s Process Safety Management (PSM) Unit, adding section 5189.1 to Title 8 of the California Code of Regulations. The elements outlined in the regulation require refinery employers to: