You are able to examine Surfacing Time for arriving at the surface safely while draining the nitrogen that is collected in the body during a diving.
How long is the Surfacing Time from 18m deep?
《The usage of Dive Table》
① You look for diving depth (D) 18m.
② The row of the right neighbor (AT) becomes the Surfacing Time.
Surfacing Time
Correct answer: 1 minute 50 seconds
The Surfacing Time from 18m deep is 1 minute 50 seconds.
The surfacing speed is equal to or less than 10m a minute for all kinds of diving. For this aim, you should not overtake smallest bubbles in bubble that you exhaust.
The Surfacing Time is not included in Bottom Time.