Thanks Trey and others. This and other answers I have had just confirms what
was probably lurking in the back of my head - get a reasonable size stage
bottle for O2 so that the lower pressure does not mean not enough gas. That
now goes on the priorities. I'm starting my trimix course on Saturday so I
had better move it high up on the list.

Regards
Steve

-----Original Message-----
From: trey@ne*.co* [mailto:trey@ne*.co*]
Sent: Saturday, 19 February 2000 2:08
To: Steven Bliim
Cc: 'Scott Hunsucker'; techdiver@aquanaut.com
Subject: Re: Pulmonary swelling


Steve, this is more than our comes at, and you do not need it any higher
or even that high. I usully put 2000 psi in a low pressure 95 and that
lasts 150-180 minutes.


Steven Bliim wrote:
> 
> Scott
> 
> While I agree that 100% O2 is the optimal gas for decompression I might
just
> suggest that another reason that 80% is used is related to the pressure at
> which O2 is available not just an inability to remain at 20 fsw / 6 msw. I
> don't know the position in the USA but as I understand the position here
in
> Australia commercial O2 comes at about a maximum of 180 bar. While some
> people in Sydney may have Haskels they are not readily available. If some
> one knows where one can readily get one's O2 at 200 bar or that I have got
> it totaly wrong I'm sure that they will let me know. What's more I will be
> glad to be corrected.
> 
> Regards
> Steve Bliim
> 
> 
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