Hi George, =20 I've been reading your recent posts with great interest. They have been very informative. I'd be grateful if you could explain some points to a non techie. 1) Is the main reason for a 40m (130 ft) limit on aed due mostly to Nitrogen or O2 ? 2) Is Nitrox more likely to cause narcs at a given depth than air ? 3) Are the ppO2 's involved in diving with Nitrox 32 and 36 undesirable = ? 4) Since Nitrox can only be used at shallow depths without ppO2 problems, is there much of a case for it other than a stage deco mi= x ? cheers Eric -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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