Dive Tables
Although not all dive tables are recommended for use in this way, the Bühlmann tables are suitable for use with these kind of calculations. At 27 metres the Bühlmann 1986 table (0–700 m) allows 20 minutes bottom time without requiring a decompression stop. While at 20 metres the no-stop time is 35 minutes. This shows that using EAN36 for a 27 metre dive can give a 75% increase in bottom time over using air.
Read more about this topic: Equivalent Air Depth
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