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----- Original Message -----
From: "Mike Wallace" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, July 09, 2001 5:11 PM
Subject: Re: Dive, Dive, Dive


> On 9 Jul 2001, at 17:39, Huntzinger, Hugh A [AMSTA-AR-CCL-B] wrote:
>
> > Karla writes:
> > >
> > > Yes, did see a big problem with that.  hence, we have upped the
> > > helium content greatly.  problem solved.
> >
> > Are you really sure?  How does changing a gas mix alter the diver's
> > behavioral response to a particular level of stimuli?
>
> Adding He to the mix will reduce the narcosis level, which
> presumably would allow the diver to remain more alert and be able to
> respond to the stimuli in a fashion significantly different from than if
> they were "under the influence" so to speak.
>
> Mike
>
IF we assume that the narcotic gas is N2 and not O2.

CH
.