Came across this great PDF article airline smoke hoods. It is very lengthly, 24 pages.
http://www.flightsafety.org/special/ccs_special.pdf
I also found that the article is on a site specifically devoted to flight safety:
http://www.flightsafety.org/
I looked for smoke hoods and they are a bit more costly than I thought, over $50. In case you want to by one, here is a site I found:
http://www.gasmask.com/evacu8.html and the company is at
http://www.evac-u8.com/evac-u8/compare.htm
[This message has been edited by Aubie (edited 02-08-2001).]