Absolutely no flame or spark near oxygen, as it can result in a very hot fire or explosion. Very dangerous stuff. Here are the stats:
http://www.nfpa.org/assets/files//pdf/os.oxygen.pdf
There have been many cases of Tasers setting on fire individuals and objects exposed to an accelerant, such as gasoline, paint fumes (huffer), and natural gas. Oxygen would be one of the top risks.
I am a certified TASER Instructor. I think you should send your link to TASER International because I don’t have the time to explain to you the amount of dis-info out there.
And by no means is my response meant to be rude to you; I think you are responding in good faith. FReepmail me with your results if you don’t mind, might be funny for both of us. :)