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From: "George P. Wentland" <wentland@ns*.ac*.no*.ed*>
To: "Tech Diver News Letter" <techdiver@aquanaut.com>,
     "Case"
Subject: Re: Trimix Question
Date: Fri, 9 Apr 1999 11:56:56 -0400

This is not a quote from me. ("I can understand that someone doesnt want to
do the more dangerous Nitrox fills, but with Trimix..."). I never so much as
mentioned nitrox in my post.  However, from a filling point of view, this
statement is correct. When filling nitrox, by partial pressure blending, you
are generally dealing with higher O2 pressures than with trimix. Higher O2
pressures equate to more dangerous.

> George-
>
> Read your post...you imply that for a store Nitrox is MORE DANGEROUS
> than trimix. )"  Your points about profitability are quite valid, but they
serve nothing
> toward your earlier point that Nitrox is more dangerous...I believe that
> is what people were calling you to task on...
>
> -Case
> diveman@cy*.co*
>
> >I can understand that someone doesnt want to do the more dangerous Nitrox
fills, but with >Trimix...
>
>        >What's the dangerous part?????
>        >Care to explain?
>
>        Liability! Profitability!
>           1. If a business does not of significant demand for a product
> they will not produce it. If a shop has 2-3 Certified Trimix divers that
> frequent the
>        establishment, it is not worthwhile to make the investment in
> supplies and training to properly service this minority.
>           2. Lets take a look at liability. A diver makes a dive on a
> 15/53 refill to 300 feet, he makes a mistake and doesn't come up. Later
> it's discovered,
>        after laboratory analysis, that the mix was really 15/48.
> Narcosis may have been a contributing factor to his death. Can you see
> the possible law suit?
>        While Oxygen % can be readily measured, equipment to measure
> Helium % is cost prohibitive and not readily available to the dive
> industry. If you say
>        cost bedamned see paragraph 1.
>
>        Good Diving by George
>
>
> --
>
>                  \  \
> ^_              \  \                 Case E. Harris
>   \ \             {   \         US Deep Wreck Diving Team
>   {  \           /     `~~~--__   diveman@cy*.co*
>   {   \___----~~'              `~~-_
>    \                         /// `  `~.           ___  Oo
>    / /~~~~-, ,__.    ,      ///  __,,,,)         (___)o_o
>    \/      \/    `~~~;   ,---~~-_`~=        file://====--//(_)
>                     /   /                           \\ ^
>                    '._.'   Deep...Professional...The Standard!
> --
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