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To: Kevin
To: Klop <kevin_klop@qu*.ap*.co*>
Subject: Re: your mail
From: Epic Dive Shop <epic@so*.ha*.ed*>
Cc: techdiver@opal.com
Date: Fri, 24 Jun 1994 09:23:57 -1000 (HST)
On 24 Jun 1994, Kevin Klop wrote:

>         Reply to:   RE>>your mail 
> >From memory (apologies if my brain scrambled the message, it has
> >happened)... one of their points was that by decompressing
> >on 50% O2, you get many of the benefits of decompressing on pure O2
> >(i.e. deco times were pretty close) with a gas that you can use
> >as deep as 70' and none of the hassles and/or dangers involved
> >with pure O2.
> 
> Hmmm... thinking about this assertion.  There seems to be a range
> hovering at about 1.2-1.4 ATA, ppO2 in which O2 toxicity appears. 


> At 50% O2,  79 fsw gives you 1.2 ATA ppO2.

*** YIKES *** ... think you might get your calculator out again on
that one...  these types of errors might ***** really ***** get
someone in trouble...

            Pg               ?
          -------         ------
          Fg | P         .5 | (79/33 + 1)   =  1.69 ATA O2



aloha,

dennis

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