PD-7974-2 › Complete Document History
Application of fire safety engineering principles to the design of buildings

Complete Current Edition:
   2019 EDITION - Spread of smoke and toxic gases within and beyond the enclosure of origin (Sub-system 2). - March 27, 2019

Obsolete Revision Information:
   2002 EDITION - Application of fire safety engineering principles to the design of buildings. Spread of smoke and toxic gases within and beyond the enclosure of origin (Sub-system 2) - Aug. 30, 2002