[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: Missing Exit Signs



I would think that the purpose of a radiological

dispersion device is to creat fear an panic.  If the

first responsers could not detect the radionuclide,

i.e., tritium in any form, because they were using GM

or exposure rate meters, the terrorist would have lost

the edge in creating panic.



--- Jaro <jaro-10kbq@sympatico.ca> wrote:

> Franz wrote:

> I would say, that trying to use tritium exit signs

> as an RDD, is ridiculous.

> If they were of the type I know - filled with

> gaseous HT - sure no cleanup

> would be necessary and would not cost a single cent,

> because within a few

> minutes all of this gas would have been dispersed

> and diluted to ambient

> levels. There would be no mess <SNIP>

> 

> I wonder about that -- presumably an RDD involves

> some sort of explosion.

> Wouldn't that cause at least some part of the HT to

> burn and form HTO ?

> While most of that would also disperse as vapour,

> some might also cause a

> mess.... any guesses how much ?

> By the way, a colleague pointed out that the 55 Ci

> in the exit signs would

> by now have decayed to 25 Ci, due to 14 years of

> decay (12.3 yr half-life).

> 

>  Jaro

> http://www.cns-snc.ca/branches/quebec/quebec.html

> 

> 

>

************************************************************************

> You are currently subscribed to the Radsafe mailing

> list. To

> unsubscribe, send an e-mail to

> Majordomo@list.vanderbilt.edu  Put the

> text "unsubscribe radsafe" (no quote marks) in the

> body of the e-mail,

> with no subject line. You can view the Radsafe

> archives at

> http://www.vanderbilt.edu/radsafe/

> 





=====

+++++++++++++++++++

""A fanatic is one who cannot change his mind and won't change the subject."  Winston Churchill



-- John

John Jacobus, MS

Certified Health Physicist

e-mail:  crispy_bird@yahoo.com



__________________________________

Do you Yahoo!?

Yahoo! Search - Find what you.re looking for faster

http://search.yahoo.com

************************************************************************

You are currently subscribed to the Radsafe mailing list. To

unsubscribe, send an e-mail to Majordomo@list.vanderbilt.edu  Put the

text "unsubscribe radsafe" (no quote marks) in the body of the e-mail,

with no subject line. You can view the Radsafe archives at

http://www.vanderbilt.edu/radsafe/