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From: "Brian McMillan" <bem@be*.ne*>
To: "Tech Diver" <techdiver@aquanaut.com>
Subject: 80% vs 100%
Date: Wed, 22 Mar 2000 10:12:02 -0500
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Re: Max The Stroke ReturnsGroup,

In one of Max's rants over the past couple of days he made a comment =
about using multiple mixes for deco (including 80% O2 as opposed to =
100%). I understand from a physiology standpoint why deco is more =
effective on 100% O2 then 80% O2. What I don't understand is why most =
people are opposed to using it. In models I have run deco on 80% works =
(mathematically) and in general doesn't extend deco time too much.

I have been taking it on faith that I should be using 100%  at 20' and =
above. Can anyone tell me the science behind it?

Thanks,

Brian

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Re: Max The Stroke Returns</TITLE>
<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D"MSHTML 5.00.2722.1300" name=3DGENERATOR>
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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>Group,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>In one of Max's rants over the past =
couple of days=20
he made a comment about using multiple mixes for deco (including 80% O2 =
as=20
opposed to 100%). I understand from a physiology standpoint why deco is =
more=20
effective on 100% O2 then 80% O2. What I don't understand is why most =
people are=20
opposed to using it. In models I have run deco on 80% works =
(mathematically) and=20
in general doesn't extend deco time too much.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>I have been taking it on faith that I =
should be=20
using 100%  at 20' and above. Can anyone tell me the science behind =

it?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial
size=3D2>Brian</FONT></DIV></BODY></HTML>

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