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At 12:33 PM 10/6/95 +0100, Jean-Marc Bourguet wrote:
>> From: "A.Appleyard" <A.APPLEYARD@fs*.mt*.um*.ac*.uk*>
>> A> Deep diving on ordinary air is dangerous because of nitrogen narcosis.
>> B> Some people claim to be able to dive deep on air despite this.
>
>There is a C with bother me: people are diving deep air because of
>insurance compagny... Usually these are quick to get their liability
>void if you do something dangerous. So I conclude that they think that
>it is more dangerous to sucba dive with trimix than with air.

   The reason is propably because some dumbass actuary (I worked with those,
and they are incredibly dense mathematical/statistics nerds - some are also
on the verge of being psychotic) determined that the extra handling of gear
needed when one does gas switches induces a higher risk than straight air
diving. And the data used was probably the usual inconsistent, incomplete,
anecdotal information we usually get from diving accidents.

   Needless to say, the same nerd with a slide rule evidently does not know
what is a oxygen partial pressure, nor that CO2 buildup triggers=
 respiration.


>-----------------------------------------------------------------------
> Jean-Marc Bourguet                      Service d'Electronique
>                                         Faculte polytechnique de Mons
> Email : bourguet@mu*.fp*.ac*.be*      Belgique

   Prenez donc une bonne Gueuze Belle-vue =E0 ma sant=E9... :)

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