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From: <kirvine@sa*.ne*>
Date: Wed, 01 Dec 1999 19:11:28 -0500
To: tgunther@co*.co*
CC: techdiver@aquanaut.com
Subject: Re: DEPTH GUIDELINES
Tod, you can capture all of them by specifying an O2 partial presure and
an N2 partial pressure, or an "air equivalent depth" in the sense of
ignoring the elevated oxygenfor simplicity .

We like 1.4 max for bottom, 1.6 for deco, less than or equal to 100 feet
max air "equivalent" . When at all possible, the closest thing you can
get to heliox would be the ideal.

Nitrox is really going to become a non gas.

tgunther@co*.co* wrote:
> 
> Team:
> 
> I don't want to start another endless deep air thread, but what are some depth
> guidelines that should be considered when diving these gases?
> 
>      Air:
>      Nitrox:
>      Trimix:
>      Heliox
> 
> At what depth should each generally begin and at what depth should each
> generally end?
> 
> Thanks,
> Tod


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