9-64 Change A
U.S. Navy Diving Manual—Volume 2
Table 9-9. Surface Decompression Table Using Oxygen (Continued).
Time (min) breathing air
at water stops (feet/meters)
Bottom
time
(min)
Time to
first stop or
surface
(min:sec)
Time at
40-foot
chamber
stop (min) on
oxygen
Surface
Total
decompression
time
(min:sec)
Depth
feet/meters
60
18.2
50
15.2
40
12.1
30
9.1
Surface
Interval
120
36.5
15
4:00
4:00
30
4:00
9
18:20
40
4:00
16
25:20
50
4:00
24
33:20
60
3:00
2
32
48:20
70
3:00
4
39
57:20
80
3:00
5
46
65:20
90
3:00
3
7
51
75:20
100
3:00
6
15
54
89:20
130
39.6
10
4:20
4:20
30
4:20
12
21:40
40
4:20
21
30:40
50
3:20
3
29
41:40
60
3:20
5
37
56:40
70
3:20
7
45
66:40
80
3:00
6
7
51
78:40
90
3:00
10
12
56
92:40
140
42.6
10
4:40
4:40
25
4:40
11
21:00
30
4:40
15
25:00
35
4:40
20
30:00
40
3:40
2
24
36:00
45
3:40
4
29
43:00
50
3:40
6
33
54:00
55
3:40
7
38
60:00
60
3:40
8
43
66:00
65
3:20
3
7
48
73:00
70
3:00
2
7
7
51
82:00
150
45.7
5
5:00
5:00
25
5:00
13
23:20
30
5:00
18
28:20
35
4:00
4
23
37:20
40
3:40
3
6
27
46:20
45
3:40
5
7
33
60:20
50
3:20
2
5
8
38
68:20
55
3:00
2
5
9
4
44
79:20
