Posted by AADIVER on June 28, 2001 at 11:47:45:
In Reply to: Re: Written for those that are considering getting into tech diving... Long posted by Jeff B on June 28, 2001 at 10:15:48:
"...just where does this 130' definition come from..."
If my fuzzy memory serves me, I believe 130 fsw was/is the max you can dive on a square profile using a 72 cu ft tank, breathe it down to 750 psi, and not create a deco ceiling/obligation.