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At 05:53 PM 10/10/97 +0000, you wrote: > You are correct that the only difference between those two > grades generally is that medical Oxygen cylinders are emptied > and have a vacuum drawn on them to remove contaminants. > This is done so when one of you "home brew wizards" puts > an air top on a "k" cylinder of Oxygen to make EAN 80 for > surface supplied deco gas, and then returns the cylinder > without emptying it, The next person doesn't get stuck with less > 100% Oxygen. > You are out of your gourd, man. Only a blithering IDIOT would even COME UP WITH AN IDEA like putting air on top of a K cyl of O2. Not to mention using it later for a "deco" gas. Also, for what it's worth, my gas supplier evacuates all O2 bottles before refilling. -------------------------------------------------------------------------- Kevin Connell <kevin@nw*.co*> Northwest Labor Systems http://www.nwls.com Bellingham, WA --------------------------------------------------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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