|More nitrox/air dual use: The PSI standards|
Posted by Ken Kurtis on August 26, 2005 at 11:42:40:|
As I said at the outset of this disucssion, there are varying opinions on whether or not it's okay to do dual use on EAN cylinders. And since some have talking about taking a PSI course so you can avoid the pesky dive shops (like ours) that won't mix-and-match, I thought maybe you'd like to see what PSI has to say about all of this.
I'd be curious to hear the thoughts of some of you who have advocated dual use and have also invoked PSI's name. Maybe I'm blinded by my own position, but it seems to me that their standards and dual-use advocacy are mutally exclusive. The link to their page is below, but here are some of the salient (IMHO) points:
2-A. Normal compressed air shall not be introduced into any cylinder marked for EANx service.
2-A-1) Any EANx cylinder receiving normal compressed air shall either have its EANx marking removed or be set aside for a formal inspection and oxygen cleaning prior to filling with EANx.
B-9) Cylinder shall be conspicuously marked as to its intended service and contents
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