> I know this is going to piss off a lot of rec divers but I believe that
>increasing your bottom PP02's for the purpose of avoiding a deco obligation is
>a really stupid idea. It is typical of our sport that this principle is
>embraced by almost everybody. Even to the point of calling potentially deadly
>hyperoxic mixes "safeair".

>I think there should be an industry-wide ban of bottom or working PP02's of
>anything over 1.2. 

Jim,

Give us some statistics or physiology  to back this up. I haven't seen one
report of a recreational "no stop dives" diving  death or oxtox hit attributed
to using Nitrox at a ppO2 of 1.4 or below here in the UK. 

Far more important surely is getting the people "at risk" out to do some more
exercise. How about removing people cert cards who can't run a 6min mile; far
more likely to reduce the work load of the emergency services than some
arbitrary ppO2 limit of 1.2.


Chris

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