canuckton
Registered
I had an interesting question the other night....
We all know that Pulmonary toxicity starts to impair lung function after about 600 minutes, and severe breakdown at about 24 hrs (correct me if I'm wrong, I've never approached these numbers while breathing pure O2)
What about at lower ppO2's? For instance, if I used an O2 rebreather in a pool, at 10 feet, POT would be a danger after a marathon 600 minutes. But if it was set up to deliver 50% O2, would that double the time to 1200 minutes? Or is it a more complex relationship? (assuming, of course that my scrubber pack would be as big as a truck and last that long...)
Not only that, but is there a ppO2 over .21 ata that can be used for prolonged periods of time (say, 100 hours) without encountering POT problems, ever? If so, how high is it, and how did we arrive at that number?
Just for the record, I phoned DAN on this one, and they were not able to answer, though they said they'd phone if they did get an answer.
Whaddya think??
We all know that Pulmonary toxicity starts to impair lung function after about 600 minutes, and severe breakdown at about 24 hrs (correct me if I'm wrong, I've never approached these numbers while breathing pure O2)
What about at lower ppO2's? For instance, if I used an O2 rebreather in a pool, at 10 feet, POT would be a danger after a marathon 600 minutes. But if it was set up to deliver 50% O2, would that double the time to 1200 minutes? Or is it a more complex relationship? (assuming, of course that my scrubber pack would be as big as a truck and last that long...)
Not only that, but is there a ppO2 over .21 ata that can be used for prolonged periods of time (say, 100 hours) without encountering POT problems, ever? If so, how high is it, and how did we arrive at that number?
Just for the record, I phoned DAN on this one, and they were not able to answer, though they said they'd phone if they did get an answer.
Whaddya think??