Surface Interval

How to find your Surface interval using an RDP table

This content is for members only.
This content is for members only.

This comes in handy as an Instructor or Divemaster when you have 2 dives with planned depth and time and you want to find out how long you need to stay at the surface in between.

Question: Doing two dives, the first dive to 22 meters for 30 minutes and the second to 16 meters for 49 minutes. What will be your minimum surface interval.

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