The association between flourescent green materials and radioactivity isn’t just the domain of comics and movies
Uranium can be added to give glass a fluorescent yellow or green color
http://en.wikipedia.org/wiki/Glass#Overview
...it's official! Glass containing uranium is actually coloured flourescent green/yellow!
After all my irritation at radioactive wastes always being portrayed as a glowing yellow/green liquid, that little point has made my day. Thankyou.
