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U.S. Navy Diving Manual—Volume 5
Air Treatment Table 2A
1.
Descent rate - 20 ft/min.
2.
Ascent rate - 1 ft/min.
3.
Time at 165 feet includes time from the surface.
Figure 21-15. Air Treatment Table 2A.
Treatment Table 2A Depth/Time Profile
Time at Depth (minutes)
Total Elapsed Time:
813 Minutes
13 Hours 33 Minutes
120
100
80
165
140
30
30
30
30
12
25
20
20
20
20
10
10
10
10
10
10
12
12
12
120
120
240
0
40
50
60
20
30
10
0
Depth
(fsw)
Descent Rate
20 Ft/Min.
Ascent Rate 1 Ft/Min.
