EXAM WITH ACTUAL NGN
QUESTIONS AND VERIFIED
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1.4 and 1.6
The recommended limiting ppO2 and maximum limiting ppO2 for recreational nitrox dives
are:
The ppO2 at depth AND the length of the exposure
Two factors determine your total oxygen "dose." These factors are:
Use a nitrox programmable dive computer
The best, safest and most comfortable way to track your oxygen and nitrogen exposure is:
oxygen toxicity