Re: Hasn't halon been banned or something in the '90s?
Ooopsie. Sorry about that. Well you learn something new every day - or unlearn something you'd remembered wrong. Just looked it up and I'd completely misremembered what halon does. It doesn't bind with all the oxygen around, it stops the fire's chemical reactions from working properly. So it's definitely safer than CO2, and can be breathed in low concentrations.
It was apparently first used in extinguishers and fire grenades in the first decade of the 20th century. I'd read mention of those before and sort of vaguely wondered what was in them.
Biting the hand that feeds IT
