9-68 Change A
U.S. Navy Diving Manual—Volume 2
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
130
39.6
25
4:00
3
10
21:20
30
3:40
3
3
18
32:50
40
3:40
10
10
25
53:50
50
3:20
3
21
21
37
90:50
60
3:20
9
23
23
52
115:50
70
3:20
16
24
24
61
133:50
80
3:00
3
19
35
35
72
172:50
90
3:00
8
19
45
45
80
205:50
140
42.6
20
4:20
3
6
17:40
25
4:00
3
3
14
29:10
30
4:00
5
5
21
40:10
40
3:40
2
16
16
26
69:10
50
3:40
6
24
24
44
107:10
60
3:40
16
23
23
56
127:10
70
3:20
4
19
32
32
68
164:10
80
3:20
10
23
41
41
79
203:10
150
45.7
20
4:20
3
3
7
22:30
25
4:20
4
4
17
34:30
30
4:20
8
8
24
49:30
40
4:00
5
19
19
33
85:30
50
4:00
12
23
23
51
118:30
60
3:40
3
19
26
26
62
145:30
70
3:40
11
19
39
39
75
192:30
80
3:20
1
17
19
50
50
84
230:30
160
48.7
20
4:40
3
3
11
26:50
25
4:40
7
7
20
43:50
30
4:20
2
11
11
25
58:50
40
4:20
7
23
23
39
101:50
50
4:00
2
16
23
23
55
128:50
60
4:00
9
19
33
33
69
172:50
70
3:40
1
17
22
44
44
80
217:50
170
51.8
15
5:00
3
3
5
21:10
20
5:00
4
4
15
33:10
25
4:40
2
7
7
23
49:10
30
4:40
4
13
13
26
66:10
40
4:20
1
10
23
23
45
112:10
50
4:20
5
18
23
23
61
140:10
60
4:00
2
15
22
37
37
74
197:10
70
4:00
8
17
19
51
51
86
242:10
