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At 6:09 PM 10/1/95, <gmiiii@in*.co*> wrote:
>The part I don't like about NOAA is the
>short exposure, high PPO2 matrix. This is poison in
>the wrong hands. If you intend to do a 45 minute dive
>at 1.6, and let's say your scooter breaks, so you swim
>out, now you have an hour dive and you are working.

I agree that O2 exposure MUST be considered in the risk planning. I would
ask if you consider the risk to be the planned PPO2 or the "worst case"
failure.

For example, would you consider it OK to do a 15 minute dive at 1.6?
Or how about a backup gas at lower PPO2, but longer deco if you have to use it?

----
Richard Wackerbarth
rkw@da*.ne*

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