http://www.nti.org/e_research/e3_88.html
That's one hell of a false alarm.
QUOTE said:In addition to this, current portal monitors are subject to false alarms caused by legitimate radioactive materials, (i.e. kitty litter, bananas, and ceramics).
For the bananas, it's because they contain potassium-40, which is actually radioactive.
http://en.wikipedia.org/wiki/Banana_equivalent_dose
QUOTEA banana equivalent dose is a concept occasionally used by nuclear proponents to place in scale the dangers of radiation by comparing exposures to the radiation generated by a common banana.
That's one hell of a false alarm.