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Date: Wed, 17 Apr 1996 10:22:34 -0400
From: Mario Nicola <colacave@di*.ne*>
Organization: I. E. S. A
To: cave list <cavers@ge*.co*>
CC: techdiver@terra.net
Subject: New angle 300 bar

> I heard they were using industrial oxygen for nitrox and telling people
> aviators was harmful.  Any truth to this that you know of?

 This is  another fine example of  BS and strokery. 
       
     Aviators oxygen, I believe is checked to make sure it
has a low moister content for obvious reasons, but I'm not 
an aviator so don' t take my word for this.

   As far as industrial  and medical  oxygen is concerned
there is absolutely no deference between the two.
   The cylinders are filled from the same liquid oxygen bank,
the difference is in the maintenance and handling of the tanks,
and believe me, I have seen industrial tanks in a lot 
better shape than medical cylinders.  This does not mean this is
always the case. 
  Oxygen is oxygen is oxygen. No deference other than what you 
are breathing it out of, and impurities that can enter the tank during 
transfer.  This is why o2  should always be analyzed before using or 
mixing.
Mario

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