Technical Diving of New York
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Best Nitrox
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Oxygen Limits
Oxygen Residual
| CNS | Surface Interval Time | ||||||
| Percent | 0:30 | 1:00 | 1:30 | 2:00 | 2:30 | 3:00 | 3:30 |
| 25% | 20% | 16% | 13% | 10% | 8% | 6% | 5% |
| 30% | 24% | 19% | 15% | 12% | 9% | 8% | 6% |
| 35% | 28% | 22% | 18% | 14% | 11% | 9% | 7% |
| 40% | 32% | 25% | 20% | 16% | 13% | 10% | 8% |
| 45% | 36% | 28% | 23% | 18% | 14% | 11% | 9% |
| 50% | 40% | 32% | 25% | 20% | 16% | 13% | 10% |
| 55% | 44% | 35% | 28% | 22% | 17% | 14% | 11% |
| 60% | 48% | 38% | 30% | 24% | 19% | 15% | 12% |
| 65% | 52% | 41% | 33% | 26% | 21% | 16% | 13% |
| 70% | 56% | 44% | 35% | 28% | 22% | 18% | 14% |
| 75% | 60% | 47% | 38% | 30% | 24% | 19% | 15% |
| 80% | 64% | 50% | 40% | 32% | 25% | 20% | 16% |
| 85% | 68% | 54% | 43% | 34% | 27% | 21% | 17% |
| 90% | 71% | 57% | 45% | 36% | 28% | 23% | 18% |
| 95% | 75% | 60% | 48% | 38% | 30% | 24% | 19% |
| 100% | 79% | 63% | 50% | 40% | 32% | 25% | 20% |
WARNING: Do not use these tables unless you have taken the appropriate dive course and understand how to reproduce them for your own verification