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Hi Don, Don't have any data on the subject. I think the raging debate you'll hear from the deep air people is that everyone is different. Like some people can cut corners on deco tables and not get bent while others can follow conservative tables and get bent (you know, that old unearned hit thing...:-)). Personally I do believe that on different days a persons tolerance for HP nitrogen will change, same with deco. It's kind of like playing Russian roulette. One day you can do 170 the next day you can't. The roulette part is not having a problem when you can't tolerate nitrogen at 170 EAD...... Art. -----Original Message----- From: Don W. [mailto:donw_s11@sw*.ne*] Sent: Monday, October 11, 1999 3:59 AM To: techdiver Subject: Save me... Okay... so maybe I'm just getting bored with the latest threads on converting the US to metric units... or not. Tom Mount (IANTD) says he's personally comfortable to 170 feet on air. George Irvine says you're stupid to go deeper than 130 feet on air and probably shouldn't go _that_ deep. Numerous people have died trying to push the SCUBA record of deep air to 500 feet or so. Question for all of you... What unexplainable stupid behavior have you seen from your dive partners diving between 80 and 170 feet (on air) that would indicate that they were seriously f____ed and didn't know it? Where are some good chamber studies with less subjective results than a binary win/loss chess game indicating the progressive loss of mental function at high nitrogen partial pressures? Where are some good chamber studies which eliminate the nitrogen and study the progressive loss of mental function at high oxygen partial pressures? The questions are clear, and I challenge all interested academics to produce the citations, or think seriously of the simple indicated experiments... Why does the issue of impairment due to high nitrogen or oxygen partial pressures continue to be an item of debate within the technical diving community? Hope this generates some good discussion, and either gets someone to cite some papers, or do some chamber experiments and write them. regards, Don W. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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