> >A nitrox sticker is a very public > >way of announcing that the tank _may_ not contain simple 21% air > > Sorry, I dont agree. There is no "may." A nitrox sticker announces what the > tank contains (or in reality what it ought to contain.) It is only by > For the trained, yes, of course. That is not exactly what it says to the > untrained. > > >> the line. What about 20%?, 19, 15?, etc..... > >What about them? The markings on the tank just told you not to use > >the tank without knowing what is inside. > > Again, yes for the trained. > >So the issue is whether a marked tank can contain a simpler mix. > > That conclusion does not follow. I think the conclusion follows if you accept my definition of the nitrox sticker (note I did not say EANx sticker). But I concede (just checked) that my Nitrox manual does say EANx. Grumble grumble (where's my whiteout....) (all seriousness now set aside....) So I hereby form a new technical agency (isn;t that the fashion these days?). I will advertise in Skin Diver and teach the use of NotAirMaybeAir(TM) [NAMA for short] and will sell NAMA stickers. I further will offer DeepNAMA courses to 200' using a SpareAir b/c Carl has been telling me privately that he can't wait to earn this particular merit badge. He thinks his 120's are just too damn big, but without the advantages of NAMA he can't go that deep without them. :-) There's no need to decompress, ya ain't coming back anyway. (back to some seriousness now) This is what I think we should have. Simply a NAMA sticker. Its tells everyone "hey, don't assume this tank has air in it". It makes no promises of the contents (the content sticker can be used for that) but serves only to give warning. Heck even the NAPI students (rec.scuba joke agency) could understand that sticker. Regards, Mike -- Mike Zimmerman < zimmmt@au*.al*.co* > Alcatel Network Sytems, Ral, NC *My opinions, not Alcatel's* [\] NC Diving: http://www.vnet.com/scuba/ A is A. Man who say it cannot be done should not interrupt man doing it.
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