Posted by Max Bottomtime on May 07, 2002 at 19:23:56:
In Reply to: This sounds like a tempest in a teapot posted by TDI_2 on May 07, 2002 at 14:40:55:
TDI_2 wrote,"And GUE has their Rule of 120 on EAN 32 which I believe goes something like this:
If depth is X feet, than allowable time at that depth = 120 - X minutes."
Actually, this was taught as far back as the '60s. I learned it in my NAUI OW1 and heard it many more times while going through my PADI DM.