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Date: Sun, 01 Jun 1997 09:27:27 -0400
From: "G. Irvine" <gmirvine@sa*.ne*>
Organization: Woodville Karst Plain Project
To: Rdediver@ao*.co*
CC: wes@we*.co*, techdiver@aquanaut.com, cavers@ge*.co*
Subject: Re: Teaching Air
Ron, I think Bill is just trying to point out just how severe reduced
capacity really is with narcosis.

  We just did a dive where I had to do something I had never done
before, follow a plan with unfamiliar equipment, and do it at moderate
depth  (150-190) with two new ( to me) dive partners: I had to operate
stobles and strobe slaves and set up a series of pictures in the Cube
Room at Sally Ward. Photography underwater is new to me.

  I dove 18/30 trimix, and was able to remember and execute all of the
instructions for the whole dive that Steve Straatsma had givin me, with
no problem. On air, the photography part would have been a cluster, yet
I am an experienced diver, know the site, and am a "tough guy".

  What really scares me about mild impairment is that it only takes a
few seconds to drown, or for you buddy to drown, and the increased
awareness and responsiveness achieved with gas is the difference between
being really good at this and coming out looking like a stroke .

  Give me every advantage I can get, and call me a cheater. Like a
certain large woman said to me at the workshop ( intended as an insult),
" you have gas, scooters, a team, and all the best divers, other wise
you guys would be nothing" - the only time she has ever made sense. - G
--
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