The Department of Defense (DOD) is entering the third year of its Next Generation Fire Suppression Technology Program (NGP). The NGP goal is to demonstrate, by 2005, retrofitable, economically feasible, environmentally acceptable and user-safe processes, techniques, and fluids that meet the operational requirements currently satisfied by halon 1301 systems in aircraft, ships, land combat vehicles, and critical mission support facilities. The potential fire locations for which alternatives to halon 1301 are sought include aircraft engine nacelles, dry bays, cargo bays, and fuel tanks; ground vehicle crew compartments; and shipboard machinery spaces and storage compartments. The hazards to be avoided include harm to people, thermal damage, post-fire corrosion, loss of visibility, and overpressure. Successful candidates must thus do well in: fire suppression efficiency and reignition quenching, ozone depletion potential (ODP), global warming potential (GWP), atmospheric lifetime, suppressant residue level, electrical conductivity, metals non-corrosivity and polymeric materials compatibility, long-term storage stability, low toxicity of the chemical and its combustion and decomposition products, speed of dispersion, safety and occupational health requirements.


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