Maybe they don't have nitrox in them. There's no law that says that a nitrox banded tank needs to have nitrox.
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Maybe they don't have nitrox in them. There's no law that says that a nitrox banded tank needs to have nitrox.
The wrap on the tank does not preclude the contents being EAN21.
I’ve heard with modern vehicles it’s had to commit suicide by poisoning yourself with CO.Car exhaust is carbon monoxide, CO. People in confined space is carbon dioxide, CO2. I'm sure 'air quality in sump spaces' is sump diving 101. And the world experts are there. I wish we had the data, but the experts are there.
All sorts of random tanks have been lent to the effort. Aside from any specialized stuff the CDG guys brought in, I'd hazard a guess that most of them are random AL80's from various dive operations throughout Thailand.
@JohnnyC - WELL SAID!
. . . (Snip)
The kit worn by the rescue divers might seem alien to some, but the standard DIR Config wouldn't stand up to this sort of diving.(snip)