5
Chapter 5 Dive Tables and Dive Computers 61
Equivalent Air Depth (msw)
Percent O2 26% 27% 28% 29% 30% 31% 32% 33% 34% 35% 36% 37% 38% 39% 40%
EAD (msw)
12 13 13 14 14 14 15 15 16 16 16 17 17 18 18 19
15 16 17 17 17 18 18 19 19 20 20 20 21 21 22 22
18 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26
21 23 23 24 24 25 25 26 26 27 27 28 28 29 30 30
24 26 26 27 27 28 28 29 30 30 31 32 32
27 29 30 30 31 31 32 33 33 34 35
30 32 33 33 34 35 35 36 37 37
33 36 36 37 37 38 39 39
36 39 39 40 41 41
40 43 44 44 45
MOD/1.4 ata 43 41 40 38 36 35 33 36 31 30 28 27 26 25 25
MOD/1.6 ata 51 49 47 45 43 41 40 38 37 35 34 33 32 31 30
Figure 5-5A Equivalent air depth for various nitrox mixes. A diver diving up to the depth shown in the correct
EANx column would use the depth in the left-hand column of the same row with an air dive table.
Shaded areas have a PO2 between 1.4 ata and 1.6 ata.
Equivalent Air Depth (fsw)
Percent O2 26% 27% 28% 29% 30% 31% 32% 33% 34% 35% 36% 37% 38% 39% 40%
EAD (fsw)
40 44 46 47 48 49 50 51 53 54 55 57 58 60 61 63
50 55 56 58 59 60 62 63 64 66 67 69 71 72 74 76
60 66 67 69 70 71 73 75 76 78 80 81 83 85 87 89
70 76 78 80 81 83 84 86 88 90 92 94 96 98 100 99
80 87 89 90 92 94 96 98 100 102 104 106 108 105 102
90 98 100 101 103 105 107 109 112 114 116 113 109
100 108 110 112 114 117 119 121 123 122 117
110 119 121 123 126 128 130 132 127
120 130 132 134 137 139 137
130 141 143 145 148 143
MOD/1.4 ata 145 138 132 126 121 116 111 107 102 99 95 91 88 85 82
MOD/1.6 ata 170 162 155 149 143 137 132 127 122 117 113 109 105 102 99
Figure 5-5B Equivalent air depth for various nitrox mixes. A diver diving up to the depth shown in the correct
EANx column would use the depth in the left-hand column of the same row with an air dive table.
Shaded areas have a PO2 between 1.4 ata and 1.6 ata.