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To: techdiver@opal.com
Subject: Re: Gas with Air Repet
From: Jody Svendsen <svendsen@sh*.ne*>
Date: Fri, 8 Jul 1994 20:02:51 -0400 (EDT)

> Note that although I have He in my tissues as well as N2 from my gas dive, we
> can ignore the He on the second dive since there isn't any in the air I will
> be breathing.

Sorry if this sounds like a flame, but this is totally wrong.  Just 
because you are not breathing on a gas does not mean that it can't bend 
you.  There will still be helium in your body on the second dive, and 
it will increase your decompression requirements.  

You could argue that if the first dive did not heavily load your slow 
tissues with helium and the surface interfal was long, you are probably 
safe, but I would be very careful.  

   Jody Svendsen
   MiG Technologies

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