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 TABLES

OXYGEN PRESSURE TIME LIMITS

PP02

SINGLE DIVE EXPOSURES

CNS% PER MINUTE

 24 HOUR EXPOSURE TIMES
1.6 45 2.22 150
1.5 120 .83 180
1.4 150 .67 180
1.3 180 .56 210
1.2 210 .48 240
1.1 240 .42 270
1.0 300 .33 300
0.9 360 .28 360
0.8 450 .22 450
0.7 570 .18 570
0.6 720 .14 720

 

BACK TO NITROX 01 BACK TO NITROX 02 BACK TO NITROX 03  AVOIDING HYPOXIA

DEPTH, MIX, PPO2 CHART.  (Pick your gas mix, i.e. .34%;  follow the column down to your required depth or next greater, i.e.30 meters would be 31.1; then follow that same row left back to ppo2, i.e. in this case 1.4).

PP02 O2

TIME

.21 .22 .23 .24 .25 .26 .27 .28 .29 .30 .31 .32 .33 .34 .35 .36 .37 .38 .39 .40
1.0 300 37.6 35.4 33.4 31.6 30.0 28.4 27.0 25.7 24.4 23.3 22.2 21.2 20.3 19.4 18.5 17.7 17.0 16.3 15.6 15.0
1.1 240 42.3 40. 37.8 35.8 34.0 32.3 30.7 29.2 27.9 26.6 25.4 24.3 23.3 22.3 21.4 20.5 19.7 18.9 18.2 17.5
1.2 210 47.1 44.5 42.1 40.0 38.0 36.1 34.4 32.8 31.3 30.0 28.7 27.5 26.3 25.2 24.2 23.3 22.4 21.5 20.7 20.0
1.3 180 51.9 49.0 46.5 44.1 42.0 40.0 38.1 36.4 34.8 33.3 31.9 30.6 29.3 28.2 27.1 26.1 25.1 24.2 23.3 22.5
1.4 150 56.6 53.6 50.8 48.3 46.0 43.8 41.8 40.0 38.2 36.6 35.1 33.7 32.4 31.1 30.0 28.8 27.8 26.8 25.8 25.0
1.5 120 61.4 58.1 55.2 52.5 50.0 47.6 45.5 43.5 41.7 40.0 38.3 36.8 35.4 34.1 32.8 31.6 30.5 29.4 28.4 27.5
1.6 45 66.1 62.7 59.5 56.6 54.0 51.5 49.2 47.1 45.1 43.3 41.6 40.0 38.4 37.0 35.7 34.4 33.2 32.1 31.0 30.0

EQUIVALENT AIR DEPTH, FROM AIR TO 40.% E.A.N NITROX.  (Similar to above table, pick out your Nitrox, e.g. .34%;  follow column down for your depth, e.g. 30.6 meters;  follow that row left until you reach air table column, e.g. .24.  This is your E.A.D.  Plan your dive as you would for 24 meters on air.)

AIR

TABLE

.21 .22 .23 .24 .25 .26 .27 .28 .29 .30 .31 .32 .33 .34 .35 .36 .37 .38 .39 .40
9 9.0 9.2 9.4 9.7 10.0 10.2 10.5 10.8 11.1 11.4 11.7 12.0 12.4 12.7 13.0 13.4 13.8 14.2 14.6 15.0
12 12.0 12.2 12.5 12.8 13.1 13.4 13.8 14.1 14.4 14.8 15.1 15.5 15.9 16.3 16.7 17.1 17.5 18.0 18.4 18.9
15 15.0 15.3 15.6 15.9 16.3 166 17.0 17.4 17.8 18.2 18.6 19.0 19.4 19.9 20.3 20.8 21.3 21.8 22.3 22.9
18 18.0 18.3 18.7 19.1 19.4 19.8 20.3 20.7 21.1 21.6 22.0 22.5 23.0 23.5 24.0 24.5 25.1 25.6 26.2 26.8
21 21.0 21.3 21.7 22.2 22.6 23.0 23.5 24.0 24.4 24.9 25.4 26.0 26.5 27.1 27.6 28.2 28.8 29.4 30.1 30.8
24 24.0 24.4 24.8 25.3 25.8 26.2 26.7 27.3 27.8 28.3 28.9 29.4 30.0 30.6 31.3 31.9 32.6 33.3 34.0  
27 27.0 27.4 27.9 28.4 28.9 29.4 30.0 30.5 31.1 31.7 32.3 32.9 33.6 34.2 34.9 35.6 36.3      
30 30.0 30.5 31.0 31.5 32.1 32.6 33.2 33.8 34.4 35.1 35.7 36.4 37.1 37.8 38.6          
33 33.0 33.5 34.1 34.6 35.2 35.8 36.5 37.1 37.8 38.5 39.2 39.9 40.7              
36 36.0 36.5 37.1 37.8 38.4 39.0 39.7 40.4 41.1 41.9 42.6                  
39 39.0 39.6 40.2 40.9 41.6 42.2 43.0 43.7 44.5 45.3                    
42 42.0 42.6 43.3 44.0 44.7 45.4 46.2 47.1 47.8                      
                                         
MOD                                        
1.4 56.6 53.6 50.8 48.3 46.0 43.8 41.8 40.0 38.2 36.6 35.1 33.7 32.4 31.1 30.0 28.8 27.8 26.8 25.8 25.0
1.6 66.1 62.7 59.5 56.6 54.0 51.5 49.2 47.1 45.1 43.3 41.6 40.0 38.4 37.0 35.7 34.4 33.2 32.1 31.0 30.0

 

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