Reply to:     RE>>Oxygen Decompression (c

Rich,

>I suspect because it is air, and the 190-foot limit has to do with 
>narcosis, not O2 levels. Sure, he could "custom blend" a nitrox to give 
>him the "best of both worlds" at that depth, but that would be silly 
>because he's not at that depth long enough for it to matter.  I'm sure G 
>will answer much more eloquently.

That would give George and his team a PPN2 of 5.3.
Would't this be considered DEEP AIR, something that 
George is vehemently against? I would expect that WKPP 
would not add NN risk to a cave dive, even for a short time. 

George?

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