Tag: pO2

Scuba News

CCR Diver Goes Hypoxic on Surface – What Causal Reasoning Taught Me About Learning from Events

April 13, 2025 by HAL

An experienced CCR diver faced a dangerous situation when they became light-headed due to low oxygen levels. They realized their rebreather was off and recorded a dangerously low pO2 of 0.09. This incident highlights the importance of focusing on the conditions that led to the hypoxia rather than blaming the diver for not following checks. […]

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