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Hi Isaac 3 years back I used to do dives that required 1-1� hr on 80%. On a couple of ocations I stayed 2� hrs on 80% just to see when any pulmonary symptoms would begin. No gas breaks done. In these exposures there was really no significant symptoms. When I do pure O2 now, I get the symptoms after 30-40min. There I'm doing 15 / 3 gasbreaks (but using the 50% decogas to "break" on) From my chamber experience and talking to comercial divers, the inhalation resistance on the O2 reg or mask, has a major influence on how your lungs are going to feel afterwards. BTW, no agency is using Navy tabels anymore. I think even TDI stopped 2 or 3 years ago. Regards Johnny Christensen >From: "Isaac Callicrate" <icallicrate@ho*.co*> >To: trey@ne*.co*, techdiver@aquanaut.com >Subject: RE: Dr Black/ChamberHaters >Date: Tue, 11 Dec 2001 12:48:16 -0500 -snip- >>Im interested to hear if any of the IANTD's on the list have done a >long >enough exposure to see pulmonary issues on 80/20? I hope Im not the only >one >getting something out of this. (Everyone take a turn squeezing more out of >Trey while he is feeling generous) >Thanks _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.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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