Various imaginative plans had already been suggested for dealing with the most difficult problem, the high-level waste.

High-level waste cannot be forgotten; it may stay radioactive for 5,000 years.

Most of the material is high-level waste, which by law must be stabilized and buried.

Cyanide and high-level radioactive waste, for example, were put on the black list.

Hit the nuclear power plants or, as he did to us, their high-level nuclear waste.

"Right now we're looking at low-level, but if it looks lucrative enough we might go with high-level waste."

High-level waste is supposed to be encapsulated in glass for burial.

High-level waste, which includes spent fuel rods, would not go to the dump.

Nowhere in the world was there a permanent disposal site for the growing mountain of high-level nuclear waste.

There's been an argument ongoing for more than ten years within the federal government on where to store high-level nuclear waste.