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Not in your lungs, smart ass - you breahe it anywhere and any way you want. Scott and/or Julie Gudmundsen wrote: > > With all the discussion regarding tank marking... > > I've got a question about the practice of using 100% oxygen just > before exiting (something which I have not started to do yet). I dive > Nitrox regularly, and mark my tanks using the calculated mod, not the > contingency depth. > > From what I've read, I see that WKPP divers mark the sides of their > 100% O2 bottles with the number 20, signifying that one should not be > below twenty feet when breathing the contents of the bottle. It seems > that the 100% O2 bottle marking is an exception to using the MOD, > since at 19.8 feet the PP02 is 1.6 ata., which would be the > contingency depth. If one were not using a full face mask when > breathing off this tank, I would guess common sense would tell me that > I should wait until I'm at the MOD before I take a breath. > > Is this correct, or did I miss something? > > Scott Gudmundsen > Vernal, Utah > > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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