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----- Original Message -----
From: Huntzinger, Hugh A [AMSTA-AR-CCL-B] <[log in to unmask]>
 
> > Mike Wallace writes:
> >
> > While He comes out quicker than N2, it is still going to be a factor in
> the
> > next dive. The pressure gradient between the He and the N2 and how it
> > affects tissue loading would have to be considered.
>
> In other words, there will be an interaction between the He and N2
because
> even though they may have different M-values for their individual
saturation
> limits, they're both trying to "occupy the same space"
(tissue/compartment)
> and thus are not indpendant of each other in effect...?
 
Makes sense to me. :-) Unless, the He has been completely offgassed during
the SI, due to the lower partial pressures during the second shallower dive
the He will still be coming out, I assume to be replaced with the N2.
 
Mike