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On Sun, 28 Aug 1994, Jason Rogers wrote: snip > Richard Pyle writes that he uses industrial grade oxygen. > I've always used medical grade [B.P. - US equivalent is U.S.P grade I think] > It all comes out of the same source at the factory, but they take more care > to ensure that no contaminents reach the gas, and it isn't much more > expensive, so why not use it. I'm sure that if your gas supplier found out > you were inhaling industrial grade they would freak out. > I'm not criticising, it just seems odd. In certain parts of the U.S.A. you need prescription to buy Medical Grade O2. I believe it is by state law but it was done so that people who need it for their health could get reimbursed by their insurance companies. Over the counter items are not reimbursable. It helps out the older people on fixed incomes. I think the procedures set up are mainly to protect idiots from themselves. I think most of us don't fit that classification. Aviation grade might be considered a better choice than welding O2 and you don't need the doctors permission. Ronnie Bell just back from a week cave diving in Florida!
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