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decompression
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01-20-2003, 08:53 AM,
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Re:decompression
I have to side with the 100% O2 crowd here. In addition to what is mentioned above there seems to be some evidence of that the presence of any inert gas in the breathing mixture used for deco defeats the physiological purpose of using oxygen in the first place, above and beyond any considerations around PP02 (I can't find the information I'm looking for right now, but the source is, I believe, the Physiology and Medicine of Diving). Further, ascending from 30 (or 20) feet to the surface is where your greatest pressure change for the entire dive will occur - it is here where exposure to pure O2 would really seem necessitated. These last 20 feet should be treated as part of your decompression, as this is where sub-clinical DCS could become a real issue. However the PPO2s of 80% are negligible in this range and will make for inefficient off-gassing.
"Treat people as if they were what they ought to be and you help them to become what they are capable of being." - Johann W. von Goethe
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decompression - by DRE - 01-12-2003, 11:30 AM
Re:decompression - by nomads - 01-12-2003, 01:05 PM
Re:decompression - by DRE - 01-12-2003, 02:01 PM
Re:decompression - by DanL - 01-12-2003, 08:28 PM
Re:decompression - by crunchyfrogs - 01-18-2003, 05:30 PM
Re:decompression - by DRE - 01-19-2003, 06:50 PM
Re:decompression - by tbrown - 01-19-2003, 10:00 PM
Re:decompression - by FMT - 01-19-2003, 10:10 PM
Re:decompression - by wazeediver - 01-19-2003, 10:16 PM
Re:decompression - by tbrown - 01-20-2003, 01:14 AM
Re:decompression - by FMT - 01-20-2003, 01:18 AM
Re:decompression - by beeger - 01-20-2003, 08:53 AM
Re:decompression - by DRE - 01-20-2003, 09:11 AM
Re:decompression - by DRE - 01-20-2003, 09:23 AM
Re:decompression - by DRE - 01-20-2003, 09:30 AM
Re:decompression - by gp - 01-20-2003, 09:48 AM
Re:decompression - by DRE - 01-20-2003, 10:18 AM
Re:decompression - by freedivernd - 01-20-2003, 10:39 AM
Re:decompression - by gp - 01-20-2003, 10:49 AM
Re:decompression - by wazeediver - 01-20-2003, 01:21 PM
Re:decompression - by DRE - 01-20-2003, 02:33 PM
Re:decompression - by wazeediver - 01-20-2003, 10:34 PM
Re:decompression - by beeger - 01-22-2003, 08:10 AM
Re:decompression - by DRE - 01-24-2003, 07:46 AM
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