Two representatives from NFPA (National Fire Protection Association) (Quincy, MA) serve on international teams examining the September 11th collapse of the World Trade Center towers. Robert E. Solomon, P.E., NFPA ' s chief building fire protection engineer, is a member of the special task force on the Future of Tall Buildings, formed by the Council on Tall Buildings and Urban Habitat (CTBUH). Robert F. Duval, NFPA's senior fire investigator, serves on the FEMA-designated Building Perfonnance Assessment Team (BPAT) for the World Trade Center.