Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Economics of egress alternatives and life-safety costs:



Robert E Chapman, David T Butry, Allison L Huang, Douglas S Thomas
- NIST SP 1109
Report Number
NIST SP 1109


Chapman, R. , Butry, D. , Huang, A. and Thomas, D. (2010), Economics of egress alternatives and life-safety costs:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed May 28, 2023)
Created January 1, 2010, Updated May 20, 2023