42
feet for 60 minutes ->HANSWER
Group H
102 feet for 11 minutes -> Group E
Group E on the surface for :45 ->E
Group E at 42 feet (must use 50); max time -> 32 (so 22 minutes is o.k.).
Residual Nitrogen time is 38 minutes. Add RNT (residual nitrogen time) to
ABT (actual bottom time) of 22 to get 60 minutes.
42
feet for 60 minutes ->H
