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From: "Robert Lockard" <rlockard@ho*.co*>
To: techdiver@aquanaut.com
Cc: request@nw*.co*
Subject: Re: OSHA Varaince Kick off.
Date: Fri, 02 Jan 1998 09:00:46 PST
And thats NOAA not NOAH. Save the flame for something worth while.

>From owner-techdiver@aquanaut.com Fri Jan  2 07:19:19 1998
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>From: "Robert Lockard" <rlockard@ho*.co*>
>To: techdiver@aquanaut.com
>Cc: rebreather-request@nw*.co*
>Subject: OSHA Varaince Kick off.
>Content-Type: text/plain
>Date: Fri, 02 Jan 1998 06:17:56 PST
>
>I will not be able to make it to DEMA this year for the meeting on the 
>OSHA Variance.  Therefore; I am putting this out to give a place to 
>start kicking ideas for a properly worded variance.  This does not 
>include any Rebreather info.
>
>The variance makes several reverences to the NOAH Diving manual.  If 
>OSHA puts faith in the NOAH Diving Manual, then parts of the variance 
>should be changed to reflect what is in the NOAH Diving Manual.
>
>So I go to Boarders to buy the NOAH diving manual this weekend $600+ 
and 
>it has to be ordered.  Ahhhhhhhhhhh  That�s OK, the Navy diving manual 
>is $900+.
>
>1. Start with the PPO2 exposure limits.  The variance states 1.4 ATA 
Max 
>exposure, but does not state the Max 24 hour exposure for 1.4 ATA.  How 
>about putting the NOAH PPO2 Exposure table?
>
>Then there is the issue with FO2  The variance gives 40% Max FO2.  What 
>about 50/50, 80/20 and 100%.  By using the NOAH PPO2 exposure instead 
of  
>Max FO2, we can get the other mixes in.
>
>2. The variance states 130 FSW for Max dept.  Instead of putting in the 
>Max dept, how about a Max PPN2.  So lets see, do we want to start with 
>END of 170 FSW (let the fun begin.)  This will give an opening for 
>letting H2 into the Variance.  Dial that back if you want, the point is 
>to get H2 in.
>
>Does the NOAH diving manual have reverences to PPH2 exposures outside 
of 
>HPNS?  If not, does DAN have stats and recommendations on exposures?  
>What about other inert gases?
>
>3. No stop decompression diving and Recompression facilities.  Does DAN 
>have the safety stats on staged decompression diving?  If so use that 
to 
>extend the 5min to Recompression.  
>
>O2 on board the dive boat + in water Recompression + a fast Coast Guard 
>Helo ride to Recompression.  What do you guys think?  Do we want to 
>bring up in water Recompression?  The Navy has it, I don't know about 
>NOAH.
>
>Well, I just wanted to kick in my 2 cents.  And keep the flames to a 
>minimum, intelligent comments and criticism always welcome.
>
>Thanks
>
>Robert P. Lockard
>===============================================================
>rlockard@ho*.co* (preferred)
>lockardr@ao*.co* (full of spam)
>540.898.3632 (home office)
>540.842.6343 (cell)
>202.685.1629 (work site)
>
>"Life is a daring adventure or nothing at all."
> Helen Keller
>
>
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