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Hmmmmm, Anyone care to comment on TDI's track record? Any stats out there on the number of deaths by certified TDI divers? Hey Black, don't some of the best divers do 300' on air? Get real Black. Breathing po2 of 1.9 is not optimal, or safe, or even a bright thing to do, especially in an emergency situation. Safer diving protocol has been established. You still using leeches at your practice, doc? ss On Wed, 31 May 2000, Michael J. Black wrote: > On 5/27/00, George Irvine (Trey) wrote: > > > I am a psychopath, not a sociopath, and my track record speaks to the > > rest. Black is a pussy who did not like being corrected fro extreme > > ignornat stupidity. > > No George, even I don't think you are psychotic, but that could change. > As for my "extreme ignornat stupidity" were you referring to the pony > bottle with pO2 1.9 debate? Thought so, and just FYI here is what TDI > says in one of their coursebooks (authored I believe by Jan Neal, who > IS a BEST diver, i.e. absent from this list): > > "A small volume scuba cylinder of EAN39 carried with a diver for a > decompression gas can also be a redundant gas supply. In the event > that the primary gas supply is exhausted, the diver can switch to > EAN39 and make a normal ascent. If this emergency occurred at 130 fsw, > the pO2 for EAN39 would be 1.92 ATA. Although the recommended maximum > oxygen depth limit for EAN39 is 102 fsw (pO2 1.6 ATA) the exposure > time for an ascent from 130 fsw to 100 fsw would only be 30 seconds. > In this situation the pony cylinder becomes a "bail-out bottle." The > risk for CNS O2 toxicity is minimal, especially compared to the > alternative of no bail-out. In this situation, EAN39 provides > operational safety as a bail-out gas shallower than 130 fsw without > the need for an oxygen clean regulator that is required for higher > mixes. Thus, when carrying a pony cylinder of EAN39, operational > and physiological safety is increased." > > MJB :-))) > > __________________________________________________ > Do You Yahoo!? > Send instant messages & get email alerts with Yahoo! Messenger. > http://im.yahoo.com/ > -- > 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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