The document discusses the role of the incident safety officer (ISO) within an incident command system. It describes methods for the ISO to trigger safe behaviors, such as using high-visibility vests and soft interventions. Common "traps" that can undermine the ISO's effectiveness are discussed, such as focusing too much on personal protective equipment or helping operational crews. The ISO must work within the authority of the incident commander and communicate solutions rather than just identifying problems. As incidents increase in size and complexity, the ISO's functions may expand through requesting additional safety officers or creating a safety section within the command structure.