F. Acrolein - Very potent irritant both sensory and pulmonary at as low as a few ppm. Comes from common products such as wood and petroleum. The smoke causes panic in addition to irritants to eyes and lungs. Some toxic gases that are not burned, condense on smoke particles, get into lungs, and cause death. A. Water used for a majority of the combustibles as a stream or a spray to remove heat.
Most heat is carried away by convection, radiation and conduction.
High rises must have automatic sprinkler systems. B. Oxygen removal is accomplished in a closed space when the burning depletes the amount of O 2 . Flashbacks can occur under these conditions, if O 2 is intro. C. Fuel is removed by bulldozing a fire break, removal of coal out of fire zone or draining of and oil tank. D. Flames are inhibited by chemicals such as halons, dry chemicals, and ammonium salts.