I seem to vaguely recall from somewhere that halon in closed spaces results
in phosgene ... a deadly gas (mustard gas?). Please, someone who knows,
correct me on this.
Wes
on 12/8/02 6:25 PM, Russel Mack at rtmack@concentric.net wrote:
> Mayf, list:
>
> It is true that halon will smother humans, in high concentrations. One of
> my first engineering assignments was to design a halon supression system for
> a computer room. It's the only one I ever did-- and it was a long time
> ago-- but I do remember that there was a fairly broad range of halon/ air
> mixture percentage wherein the fire would be supressed, but the people would
> not. The key to system design was to choose the correct volume of halon to
> mix with the air in the computer room. Too little, and the fire would not
> be supressed; too much, and the geeks would not survive. These principles
> were widely accepted among fire-suppression specialists at that time; I just
> learned from them, and did what they were doing.
>
> I think the removal of the halon bottles you mentioned may have been simply
> the result of chlorofluorocarbons falling into disfavor.
>
> Russ, #1226B
>
> -----Original Message-----
> From: owner-land-speed@autox.team.net
> [mailto:owner-land-speed@autox.team.net]On Behalf Of DrMayf
> Sent: Sunday, December 08, 2002 6:14 PM
> To: Jim Dincau; Glenn Ridlen; Elon; LSR-List
> Subject: Re: Freon (non-LSR)
>
>
> When I was at Boeing, We used those big bottles of Halon for our dedicated
> computer rooms. However, they just disappeared. I think it was because that
> anyone trapped inside a room and the system let go, would lead to
> death.Stuff is a smotherant. I think they decided that replacing computers
> was cheaper than replacing people. I think...but this has been a while.
> mayf
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