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Date: Wed, 9 Feb 2000 09:04:11 -0800 (PST)
From: "Michael J. Black" <mjblackmd@ya*.co*>
Subject: Re: Dry vs. Immersed pO2
To: Aquanaut Mail <techdiver@aquanaut.com>
Cc: quiglem@ib*.ne*

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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