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They would have used trimix. On Thu, 5 Oct 1995, Ronnie Bell wrote: > > > On Thu, 5 Oct 1995, Roderick Farb wrote: > > I neglected to say that the dives (200 feet, dark and 49 degrees F) in > > France on the CSS Alabama were all done on air. Because some of the divers > > on the project are commercial divers working for MELOX, COGEMA and COMEX > > insurance regs. prohibit the use of helium in scuba tanks. So all > > several hundred diver-dives made in the past nine years have been done > > on air. Without incident. Their outstanding work has been published in > > numerous scholarly journals in France and the US. > > Suffice it to say that you can dive 200 feet on air. Professionals as in > this case do it not because they want to, but rather because legally there > is no other way. The problem that I see is that people who do not have > the proper approach to these kinds of dives tend to pay the ULTIMATE > price, their life. A little out of shape, a little too much exertion, a > little under hydrated and wham bam thank you mam! > > When I first became interested in a cave dive that required a QUICK drop > to 250 with an excursion at 200 I asked people that I considered > knowledgable about diving about deep air. I asked why did so many people > seemed to do it with impunity? The response I got was that yes they did do it > and you read about it, but did you read all about the many ones that > didn't live through it. Something about "natural selection" at work. > > With the recent spate of deaths at medium depths due to wrong gas > selection I think that the quote that might be appropriate would be > "high PPO2s can be hazardous to your health". > > Seriously, if the divers in question could have used trimix do you think > they would have used air? > > Safe Diving > r.b. > > -- > Send mail for the `techdiver' mailing list to `techdiver@terra.net'. > Send subscription/archive requests to `techdiver-request@terra.net'. >
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