They require that a plant be able to shut down without radiation release if it comes under terrorist attack.

The radiation releases were not made out of ignorance.

"Instead, we got a slow-motion drill with no actual radiation release into the environment."

No one was hurt and there were no radiation releases.

The melted material was not expected to breach one of the lower containers, which could cause a massive radiation release.

This study assesses the health effects of a potential radiation release to the general public.

The melted material was not expected to breach one of the lower containers, causing a serious radiation release.

People who lived near other weapons sites know they too were subjected to secret radiation releases and have serious questions about the health risk.

Nobody was injured and there were no radiation releases.

These findings were consistent with studies of the effects of previous radiation releases.