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                                                                    9:40 AM
  OFFICE MEMO                                                 Time:
                      Subject:
                      RE:NITROX-EAD                                 7/29/94
                                                              Date:

<snip>

>On Jul 28,  4:07pm, David Story wrote:
>
>> A simpler way to state this is to state it as a ratio: the model
>> limits for Haldanean models (which includes Buehlmann models) are
>> simply the supersaturation ratios for various compartments.  That
>> means that you have a ratio, say 5:1, below which you will not form
>> bubbles.

Terry McCracken wrote:

>I think that the original calculated ratio was 2:1 but nowerdays it is
>belived to be about 1:7.

I remember reading somewhere that 1.58 may be more appropriate,
especially for deep dives resulting in deeper stops (which I agree with 
as I disagree with the 10 or 15 ft stop relative to pressure and bubble 
formation and soluability).

Steve Hogan
Steve_Hogan@qm*.sp*.tr*.co*

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