Posted by CalAbDiver on August 20, 2001 at 13:35:59:
In Reply to: i am trying to understand why TDI has so many different exotic gas mixes posted by CalAbDiver on August 20, 2001 at 13:20:38:
(1+33fsw/33)x 100% pure O2 = 2.0 ppO2 which could be really dangerous. you cant use O2 very deep for deco, and therefore 80% or 84% seems like it is a whole lot safer.
EAN84 is precisely ppO2 of 1.6 at 30 fsw.
just tell the gas mixer, give me EAN84. its not that hard to pronounce.