Figure 70-8 U.S. Navy treatment tables. A, U.S. Navy Table 6A. This schedule is occasionally used for the treatment of arterial gas embolism. During the 30-minute period at 6 ATA, air or 40% to 50% O₂ can be administered. B, U.S. Navy Table 6. This table was originally designed for the treatment of decompression sickness, but it is now the most commonly used table for gas embolism as well. The red areas represent 100% O₂ breathing; the white areas represent air-breathing periods (see Figure 70-10 ). Further details can be found in the U.S. Navy Diving Manual.^[144]