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>From: Patricia Disler <pdisler@io*.ne*>
>To: "p k" <abyss30@ho*.co*>
>Subject: Re: Isn't oxygen, oxygen?
>Date: Sat, 27 Nov 1999 20:50:18 -0600
>
>
>Medical grade O2 does have more moisture than say Aviators grade...but the
>amount is neglegable for gas storage.
>
>Another thing that I should mention is the way Breathing cylinders are
>handled....
>For commercial grade gasses they may or may not even fully empty the
>cylinder before refilling.... I think commercial O2 cylinders have to be 
>vaccumed one
>time by CGA standards.The effect of other inert gasses like acetylene being 
>breathed at pressure could be most undesirable to say the least. Still many 
>people are too cheap to pay the
>extra for the Breathing grade stuff.....What do you think?
>
I didn't post this question because I'm cheap.I am new to the 'idea' of 
mixing my own gas and I am not sure of the procedure for getting a 
prescription and is it really worth the paperwork.
>

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