A B C D E F G H

Notes:

1. If a breathing medium containing helium was breathed at any time during the 12-hour period immediately preceding a dive, use HeO2 as the previous breathing medium.

2. If 100 percent oxygen rebreathers are used on a dive in conjunction with other breathing gases, treat that portion of the dive as if 0.7 ATA O2 in N2 was breathed.

3. If both air and 0.7 ATA O2 in N2 are breathed during a dive, treat the entire dive as an air dive. If the 0.7 ata O2 in N2 is breathed at depths 80 fsw or deeper, add the following correction factors to the maximum depth when selecting the appropriate air table.

Maximum Depth on N2O2

Correction Factor

Not exceeding 80 FSW 81-99 100-119 120-139 140-150

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