Book excerpt: Chief Dunn—the recipient of FDNY's Lifetime Achievement Award—has updated his classic book on how to identify and survive hazards on the fireground. Dunn attempts to reduce firefighter deaths and injuries year after year by describing the 15 most dangerous tactics and the 13 most recurring fire and explosion environmental dangers, ranked by degree of danger and frequency of occurrence. This indispensable book will help keep every first responder, firefighter, and fire officer out of harm’s way. It is a must-read and reread for every firefighter who responds to fires and emergencies, every company officer who commands a fire company, and every incident commander or safety officer who is responsible for the safety of firefighters on the fireground. NEW TO THIS EDITION • Examination of “aggressive interior firefighting attack” and “nonaggressive attack” • Discussion of risk intensity and risk frequency at the fireground • Visual representation and discussion of the NIST five-stage time/temperature fire growth curve showing temperatures before and after firefighter venting • Coverage of the Columbia University Capstone Project: FDNY Property Saved Indicator, with a formula to quickly calculate the dollar amount of property saved at a structure fire • Updated statistics, graphs, and charts