The National Institute for Occupational Safety and Health (NIOSH) is a United States federal agency that is part of the Centers for Disease Control and Prevention (CDC). NIOSH conducts research, promotes safety and makes recommendations to prevent illnesses and injuries in the US workplaces. This document contains investigation reports that are examples of reports for traumatic injury and cardiovascular disease deaths of fire fighters in the last couple of years. F2009-10 Career Fire Fighter Dies When Backed Over While Spotting an Apparatus - New Jersey F2009-27 Captain Suffers Fatal Heart Attack While Participating in Fire Department Physical Fitness Program - Mississippi F2009-29 Lieutenant Suffers Fatal Heart Attack During Fire Operations - Pennsylvania F2008-34 Volunteer Fire Fighter Dies While Lost in Residential Structure Fire - Alabama F2009-31 One Fire Fighter Killed and Eight Fire Fighters Injured in a Dumpster Explosion at a Foundry - Wisconsin