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From: "David E. Smith" <davidesmith@al*.wp*.ed*>
To: <>
Subject: RE: Why/Why Not TDI?
Date: Thu, 17 Jul 2003 21:02:45 -0400
Just to throw my unsolicited two cents in:  
  The only discussion I seemed to notice that suggested OW dives should
be required for Nitrox certification (and we are talking "recreational
type") was a discussion of poor buoyancy control in a diver.  I would
suggest someone in this poor skill shape shouldn't receive OW
certification in the first place.  
  Now we have seen plenty of these yo-yo divers out there.  I am pretty
demanding of students for buoyancy skills before going to open water,
let alone certification.  I guess when you add up varying instructor's
personal standards and some recommended PO2 limits approaching 1.6, you
could certainly be in trouble.  
  I DEFINITELY agree analyzing of several tanks should be required.

  I also would support teaching Nitrox as part of the open water course.
Obviously, bottom times don't need to be extended to realize benefits
from Nitrox.  I think it is all in the way you teach it!

David E. Smith

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