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the narcotic effect of oxygen is,in general, a question. Specifically and anecdotally, I know it to be as narcotic as nitrogen. I have had very high po2s on gear that was working fine and pn2s that would not be a factor (yes this was dangerous, but unavoidable at that moment) there was severe narcosis that was probably exascerbated by natural co2 retention. Also, there was an incident where a 50/50 botlle came along for a ride to 200 ffw with a friend of mine. The only reason he noticed was that he was narced out of his gourd. That would have been a 100 ft dive by your calculations, of which there is narcosis-but not of that magnitude. The problem here is that the ignorance of these topics can induce a sense of safety when there is actually an increased danger due to the hi po2s regardless of the undesired effects. Why is nitrox a prerequsite? because you have to start somewhere. And most people forget the science they learned in gradeschool the day after finals. -EZ >so your saying using nitrox is not safer, does not provide a clearer mind >while diving? if not then why use nitrox and if your going to say you should >not use nitrox then why do you need a nitrox cert to move on to trimix? > >enlighten me > >> -----Original Message----- >> From: H20Caver [mailto:ezimmerm@ch*.ca*.us*.ed*] >> Sent: Thursday, February 25, 1999 7:17 PM >> To: vpg@li*.ne* >> Subject: Re: Rob Palmers death >> >> >> ". The use of Nitrox would improve safety, allow a >> > clearer mind" >> >> >> you wrote this, now explain how you came to this conclusion-EZ >> >> >> >> >> -----Original Message----- >> From: vpg <vpg@li*.ne*> >> To: H20Caver <ezimmerm@ch*.ca*.us*.ed*> >> Date: Thursday, February 25, 1999 2:02 PM >> Subject: RE: Rob Palmers death >> >> >> >why am i an idiot? >> > >> >> -----Original Message----- >> >> From: H20Caver [mailto:ezimmerm@ch*.ca*.us*.ed*] >> >> Sent: Thursday, February 25, 1999 6:31 PM >> >> To: vpg@li*.ne*; Techdiver@aquanaut.com >> >> Subject: Re: Rob Palmers death >> >> >> >> >> >> >> >> I don't know who you are, I assume you speak english, I assume you >> did >> >> mean nitrox when you wrote it below. You are an idiot-EZ >> >> >> >> >> >> >> >> >alternative gas mixtures including Nitrox for dives in the >> >> 20/30/40/50/60+ >> >> >metre ranges. The use of Nitrox would improve safety, allow a >> >> clearer mind >> >> >during a dive and reduce post dive fatigue. Unfortunately most divers >> >> >dismiss alternatives to air without learning the facts or >> benefits to be >> >> >gained, its a case of closed minds. One of the reasons to resist >> >> Nitrox by >> >> >> >> >> >> >> >> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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