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From: Frank Deutschmann <fhd@in*.ne*>
Subject: Re: Mixed Gas Training???????
To: mark.welzel@ex*.co*
Date: Wed, 7 Jun 1995 10:18:05 -0400 (EDT)
Cc: techdiver@terra.net
MARK WELZEL sez:
> >From what I've seen and heard on the net, there is no data supporting
> the use of a ppO2 lower than 1.6. I would still love to hear some real
> unbiased experiences at 1.6 that show that ppO2 to be the sole
> factor in an incident.

You keep repeating this statement, but I think you are missing something
rather critical: the important thing is not whether a given ppO2 is the
*sole* factor, but rather if it is a *contributing* factor.

Guarding against a single point of failure is relatively easy, and gives
a certain degree of survivability.  But is that enough?  The real killer
incidents are when several things go wrong at once; as the stress factor
rises, is your 1.6 ppO2 still an asset, or has it suddenly become a
(rather serious) liability?

-frank
-- 
fhd@in*.ne*  | [M]athematics is not the study of intangible Platonic
1 212 559 5534     | worlds, but of tangible formal systems which have arisen
1 917 992 2248     | from real human activities.
1 718 746 7061     | 	--  Saunders MacLane

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