By Forest F. Reeder Fire Department Incident Safety Officer, Fourth Edition with Navigate Advantage Access is a print and digital solution that prepares aspiring and current incident safety officers (ISOs) to meet and exceed the specific job requirements outlined in NFPA 1550, which includes Chapter 5, Incident Safety Officer (NFPA 1521). This edition includes current information for those responding to incidents involving hazardous materials, wildland fires, technical rescue, and other disasters. It also provides methods for the development and improvement of existing safety programs. Author Forest Reeder draws from his experience as a fire chief, chief training officer, national instructor, and curriculum advisor to present the content fire students need to succeed as ISOs.