dirty bomb

and that larger amounts of other radioactive material, from discarded X-ray machines to spent fuel, might be used to make a dirty bomb.

It is only effective when radioactive iodine is present, which likely would not be the case in an attack involving a dirty bomb.

In 2006, it featured in the British trial of three men accused of trying to make a dirty bomb.

That uranium destined for a dirty bomb could do the same ranks among the west's security nightmares.

He was, they said, planning to build a dirty bomb that could scatter radioactive material over a city, probably Washington, DC.

The system could conceivably also deliver a modest nuclear warhead or 'dirty bomb'.

"This thing would make a real good dirty bomb. "

S. Dust clouds could be considered, in effect, a very dirty bomb.

The National Football League says the its stadiums are safe and will be this Sunday despite an Internet threat of dirty bomb attack.

And they're planning to detonate a dirty bomb.

Day 20 Dirty bomb in Chicago, all ports close for 6 days.

The authors conclude that spending is high because it is an insurance policy against a truly devastating operation such as a dirty bomb;