Care to explain how you arrived at that line of thinking?
The general discussion seems to be:
1) High diluent PO2 for the depth and enviroment
2) High PN2 for the depth and enviroment
3) Lack of training for the enviroment
Your the only one that seems to be thinking hypercapnia.
Do you dive a CCR?
John
Yes I do dive a CCR, and I will pm you my reason for thinking it.
Edit: I don't know any details except for what I have read(for clarification)