Most of the radioactive debris was washed into it during the decontamination.

However, the prevailing northward winds blew most of the radioactive debris away from the city.

Soviet officials have insisted there is no reason to fear radioactive debris from the spacecraft's re-entry.

Soviet reactors in space have been controversial since radioactive debris from one of them hit Canada a decade ago.

Cosmos 954 was nuclear powered and left radioactive debris near its impact site.

Weapons experts say getting samples fast is important because some radioactive debris can decay rapidly.

He's radioactive debris on Klendathu and it's much too late to court-martial him, so why talk about it?

It was coated with a considerable amount of radioactive debris, you understand.

They say even low-yield nuclear weapons will release large amounts of radioactive debris.

No other plant in the country had left radioactive debris floating around for years, essentially "writing off" a room, he said.