As defined in NHB 5300. 41(1D-2),"Loss of personnel function resulting in inability to perform normal or emergency operations. Also includes loss or injury to the public" (NSTS 22254)
American Society of Safety Engineers (ASSE) Dictionary of Terms Used in the Safety Profession. SSDC: System Safety Development Center Glossary of SSDC, Glossary - Wiley Online Library, USA 2000 (Published Online 2005). http://onlinelibrary.wiley.com/doi/10. 1002/0471662542. gloss/pdf, (Sfty Eng - Amer) {629}