I'm with Rainboe and sb_sfo. Its gone from most other spaces: from my vantage point in the T5 lounge there are only two types: CO2 and AFFF (Aqueous Film Forming Foam in case you were interested - used to be made from Ox blood I believe. Or maybe our fire officer was pulling my leg.)
Our critical use exemption expires shortly for all except the offshore industry and that expires soon after
afaik. We'll manage. Halon really is the pits.
Pinkman