Re: [PSUBS-MAILIST] New means having alot to learn.

["Paul B" <paul_victor@hotmail.com>]

Hi,

>For the working phase of a dive, the mamimum recommended PPO2 is about 1.4 
>ATA.  As the dives get longer, you need to reduce this value to manage the 
>oxygen exposure (avoiding the lung damage you refer to).  I typically mix 
>for about 1.2.  You
>can decrease this value, but it doesn't make a lot of sense to do this, 
>since all you are doing in that case is increasing the partial pressure of 
>inert gases, and hence your decompression time.

I didn't think of that :( Thanks for the addition, Sean, you're 100% right.

Sincerely, Paul.

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