What is the third step of the gas switching procedure?

Prepare for the SSI Decompression Diving Test with challenging multiple choice questions, detailed explanations, and in-depth study materials. Boost your chances of success!

The third step of the gas switching procedure involves identifying the maximum operating depth of the decompression gas. This step is crucial because it ensures that a diver is aware of the limits and capabilities of the gas being used during the dive. Each gas has a specific maximum operating depth (MOD) based on its oxygen content, and exceeding this depth can lead to toxic effects, particularly when using high-oxygen mixtures. Understanding the MOD allows divers to plan their ascent and decompression stops safely, ensuring they do not accidentally dive deeper than is safe for the gas mixture they intend to use.

In addition, knowing the MOD helps divers manage their risks by allowing them to make informed decisions about gas switches during the dive, thus enhancing overall safety. Other options, while important in a diving context, pertain to different aspects of pre-dive planning and safety measures rather than the specific procedure at this phase of gas switching.

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