CHAPTER 9 — Air Decompression
Change A 9-69
Table 9-10. Surface Decompression Table Using Air (Continued).
Chamber
stops
(air) (min)
(feet/meters)
Time (min) at water stops (feet/meters)
Bottom
time
(min)
Time to
first stop or
surface
(min:sec)
Total
decompression
time
(min:sec)
Depth
feet/meters
50
15.2
40
12.1
30
9.1
20
6.0
10
3.0
Surface
Interval
20
6.0
10
3.0
180
54.8
15
5:20
3
3
6
22:30
20
5:00
1
5
5
17
38:30
25
5:00
3
10
10
24
57:30
30
5:00
6
17
17
27
77:30
40
4:40
3
14
23
23
50
123:30
50
4:20
2
9
19
30
30
65
165:30
60
4:20
5
16
19
44
44
81
219:30
190
57.9
15
5:40
4
4
7
25:50
20
5:20
2
6
6
20
44:50
25
5:20
5
11
11
25
62:50
30
5:00
1
8
19
19
32
89:50
40
5:00
8
14
23
23
55
133:50
50
4:40
4
13
22
33
33
72
187:50
60
4:40
10
17
19
50
50
84
240:50
