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Maximum Decompression Example

by George Irvine

DECO for 7 hours at 285-300 in Wakulla - 19,000 foot dive


DEPTH
TIME
GAS
285-300
420
11x65
285-240
3
"
240
5
17x40
230
5
"
220
5
"
210
5
'
200
6
19X35
190
6
"
180
7
"
170
7
"
160
10
"
150
10
"
140
10
"
130
10
11x65
120
25
35%
110
15
"
100
15
"
90
15
"
80
10
11x65
70
30
50%
60
25
"
50
20
11x65
50
25
50%
45
10
"
40
10
"
35
10
"
30
*** 150 ***
100%
30
10
11x65
29
1
50%
28
1
"
27
1
"
26
1
"
25
1
"
24
1
"
23
1
"
22
1
"
21
1
"
20
2
100%
19
2
"
18
2
"
17
1
"
16
1
"
15
1
"
14
1
"
13
1
"
12
1
"
11
1
"
10
1
"
9
1
"
8
1
"
7
1
"
6
1
"
5
1
"
4
1
"
surface
3
"

***12 minutes on, 6 minutes backgas totalling 150 minutes*** (for O2 at 30 ffw)


7 hours bottom time, 8 hours 5 minutes deco


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