Journal article: 

Rodes, C.E., Pellizzari, E.D., Dellarco, M.J., Eirckson, M.D., Vallero, D.A., Reismann, D.B., Lioy, P.J., Lippmann, M., Burke, T.A., and Goldstein, B.D. International Society of Exposure Analysis 2007 Panel:  Integration of better exposure characterizations into disaster preparedness for responders and the public. Journal of Exposure Science and Environmental Epidemiology.18 (6). 541-550, 2008. http://www.nature.com/jes/journal/v18/n6/abs/jes200842a.html

Sub-site on the ISES website:

http://www.iseaweb.org/Disaster_Preparedness/index.php
http://www.iseaweb.org/Disaster_Preparedness/wtc_lessons_learned_vallero_addon.pdf