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Toxic Free Area
abbr., scottish TFA
toxic free area
mil. Area of collective chemical, biological, radiological and nuclear protection, which is air-tight, pressurized and fed with clean filtered air, where personnel need not wear individual chemical, biological, radiological and nuclear protective clothing
mil., logist. Part of an air-tight collective protection system, pressurized and supplied in filtered air, designed to be free of toxics so as to permit to get rid of the individual NRBC protection. (FRA)