Hmmm... If the O2 content is less than 16% in that room I'd already be dead anyway no matter what kind of light I had in my pocket.
Why 16%? Normal is about 20% and at 10KFT the partial pressure should be less than 16% at sea-level, I think, maybe, haven't done the math. What about <16% O2 is the killer?
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Better is the Enemy of Good Enough. Okay, what’s your point??
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