~ Runit (Yvonne) Cleanup and Crater Containment 471 mitchell. stated it best on several occasions—that foregoing future use of gunitIsland was the people’s contribution to the cleanup. In the Enewetak Return Ceremony, described in Chapter 9, Iroij Johannes Peter stated that. henceforth, the people would consider the island of Runit to be “OFF-LIMITS.” Thus, although it appears that the material in the storage container does not constitute a potential hazard and that surface levels of plutonium concentrations have been reduced to prescribed standards, plut onium concentrations exceeding DOE guidelines still exist at subsurface levels, and Runit should remain quarantined.