I am not a chemist (nor do I play one on TV) but I do not understand the
recent posts about "toxic" halon.  I have worked in the computer
industry for, wow, about twenty years now and we use halon in every
datacenter that I have been in.
I still remember the first time I saw it tested.  It was in a tape vault
and the fellow who installed it, dumped the system while he was sitting
in there just to show that it was not dangerous.  (I know shame on the
Ozone-slayer)  Now I can not say if this guy is still above ground but
the thinking at that time was surely much different than now.  Was that
guy mis-informed or did scientists give cancer to some more poor
unsuspecting rats or something?

One more thing.  Those itty-bitty extinguishers are useless unless you
are trying to put out someone's cigarette.  If you feel like you need
one, carry at least a five pounder (I would carry two of those).  I have
put out car fires with those dinky extinguishers only to see the fire
erupt again and here I am standing around with an empty bottle.  Very
sad.

Regards,
Mike Pidcoe
'86 Syncro (very very soon)
'74 Thing (daily driver)
'72 GT4 race bug
'87 Intermeccanica