Runit Island in the Enewetak Atoll was one of the most radioactively ... Over the radioactive dump, the U.S. built an 18-inch ...

one of the forty islands of the Enewetak Atoll. The contaminated soil was blended with concrete and encapsulated with a dome, a then temporary solution that is now nearing 50 years old.

It all went into the Runit Dome, which the servicemen then covered with concrete. In total ... residents of Enewetak Atoll were exiled from their homes and relocated to nearby islands.

In the 1950s, the US carried out nuclear weapons tests on the Enewetak Atoll, part of the Marshall Islands. The resulting radioactive waste is still stored under the concrete “Runit Dome”.