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From: "Joel Silverstein" <JoelSilverstein@wo*.at*.ne*>
To: "Dennis JR Harding" <dennish@wp*.co*.za*>
Cc: <techdiver@aquanaut.com>
Subject: Re:TDI Training Death, 16 April Questions
Date: Thu, 20 Nov 1997 09:27:45 -0500
Mr. Harding,  First -- my condolences for the loss of your friend. 

I do have some questions.  Why was instructor training being conducted in
80 msw?  It would make sense that if the people who were "candidates" had
significant experience in tri-mix at 80 msw that most of thier "instrucotr
training" would be done at a significantly shallower depth. Since much of
the work needs to be object and task oriented.  My next question involves
the statement of  <<We, the candidates decided that the last dive we
wanted
to get closer to 100 meters (325'), and further off shore were whe should
have better visibility.  >>>

Was this a repet dive?  Was this just a dive where "we the candidates" 
wanted to go deeper?  Had you all not been to this depth before ?  If the
visibility was not good enough at 80 msw why even head out another 12 miles
 for another 20 msw in the hopes of better vis?   Itmakes sens that if the
dive was not going to be "perfect" at 80 msw it was surely not going to be
"perfect" at 100 msw. 

Next comes the chamber treatment -- You indicate he had paralysis while in
the chamber yet they opted to take him back to the surface and then while
unconcious they gave him another treatment the next day and he expired in
the chamber.  Was this a plastic tube chamber only capable of 3 atm or a
full blown multiplace chamber that can go to 10 atm capable of mixed gas
saturation treatment for deep mixed gas blowups and AGE? 

I appreciate your comments and look forward to your reply.

Joel Silverstein, NY 



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