Non Pareil Council Bluffs Obituaries: Their Dreams, Cut Short, Forever Remembered. - World News Update
Except non is not an english word, it is a prefix of latin origin. Which is why american style manuals will always ask you to merge it with the subsequent word, without a hyphen. British rules differ, and.
This does not come across with nonlife-threatening, which would seem to imply a threat to non-life.