Still is. I've got a spraycan of LN2 within arm's reach as we speak.

_REALLY_? Um.... wanna guess what the terminal pressure on that would be at
room temperature?

Terminal pressure isn't very high as long as the pop-off relief is
working. Sorry for using shortcut work jargon, by spraycan I was
refering to a cryospray gun, like these:
http://www.brymill.com/catalog_1_cryac.htm
--Glenn Lyford