| Maximum Operating Depth in feet of sea water (fsw) for various Nitrox mixes | |||||||||||
| Percent O2 | 21% | 22% | 24% | 26% | 28% | 30% | 32% | 34% | 36% | 38% | 40% |
| PO2 | |||||||||||
| 1.2 ata | 155 | 147 | 132 | 119 | 108 | 99 | 90 | 83 | 77 | 71 | 66 |
| 1.3 ata | 171 | 162 | 145 | 132 | 120 | 110 | 101 | 93 | 88 | 79 | 74 |
| 1.4 ata | 187 | 177 | 159 | 144 | 132 | 121 | 111 | 102 | 95 | 88 | 82 |
| 1.5 ata | 202 | 192 | 173 | 157 | 143 | 132 | 121 | 112 | 104 | 97 | 90 |
| 1.6 ata | 218 | 207 | 187 | 170 | 155 | 143 | 132 | 122 | 113 | 105 | 99 |