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From: ron@brl-tgr.ARPA (Ron Natalie <ron>)
Newsgroups: net.flame,net.legal
Subject: Re: Smoking in public?
Message-ID: <10881@brl-tgr.ARPA>
Date: Tue, 21-May-85 14:34:40 EDT
Article-I.D.: brl-tgr.10881
Posted: Tue May 21 14:34:40 1985
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> Both forms of Halon produce toxic byproducts in the presence of fire.
> That's why Halon 1211 shouldn't be used in an unventilated area.
> 
Toxic byproducts form in the presence of fire even without HALON.  That
big collection of plastic there is releasing carbon monoxyide, hydrogen
chloride, hydrogen cyanide, and other chemicals just by burning.  NFPA
studies show that you ought to beable to survive for at least four hours
in the Halon environment (the tests were performed on dogs, I believe).
Before entering hazerdous environments of this nature you shoul put on
Self Contained Breathing Appuratus, preferably Positive Pressure.

-Ron