> 80% EAN limits you severely. 1. at 20 and 10 fsw its PPO2  is too low make
> it useful, at 40 fsw its too high for maximum exposure limits.
>
> 10 fsw 1.04 po2  too low
> 20 fsw 1.28 po2  too low
> 30 fsw 1.53 po2  borderline
> 40 fsw 1.77 po2  too high
>
> Where as 100% oxygen is
>
> 10 fsw 1.30 po2
> 20 fsw 1.61 po2

What happens when a 5 foot wave goes over head?
Answer: The ppO2 becomes to high 1.76 ppO2. When that same 5 foot wave goes
overhead when at 30 feet on 80% it would give you 1.65 ppO2. Maybe if your
doing it right you can swim up and down with the wave action? Or maybe you
only DIR in caves where you don't have as many adverse conditions. Now I
just mentioned a 5 foot wave, what if its 10+ which is not uncommon in the
Northeast where the pizza stained Doria T-shirt strokes dive.
	You know that if you keep putting a little more rope at the end of the line
eventually all your problems will be over.
	I would like to know what inspires a man to go deeper into a cave. Is there
something back there really worth the ultimate sacrifice to see? Or is it
just the hope of fame for going deeper into a cave or deeper into the sea.
Or is this all just WKPP GOOO CRAP???

Good Diving by George!!!!


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