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From: "Thomas Tukker" <silent@cu*.ne*>
To: "Michael J. Black" <mjblackmd@ya*.co*>,
     "Aquanaut Mail"
Cc: <quiglem@ib*.ne*>
Subject: Re: Dry vs. Immersed pO2
Date: Wed, 9 Feb 2000 19:15:26 -0800
Doc,

Are you saying that we should not do deco at 1.6 PO2?
Most of us keep bottom PO2's in the low end (1.4 and lower) anyway I
presume.
What are your ideas?

Best,

THOMAS

> Thanks Martin.
>
> Since you are a NOAA-trained physician I respect your comments.
> But I'm not so sure the NOAA guidelines are conservative enough.
> Peter Bennett alluded to this in his recent editorial on Nitrox
> in Alert Diver.  Also George has seen fatalities from hyperoxic
> mixes (Bobby McGuire breathing 50% O2 at 140ffw).  I believe
> Hans Petter Roverud's comments about hydrostatic pressure effects
> increasing perfusion to the CNS.  Maybe 1.6 is way too high, and
> the whole scale should be shifted to 1.4 or less.  Time will tell.
>
> Mike
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