begun or before completion, an authority responsible for enforcement of the quarantine should be identified and should be in residence in the atoll when people return. The distribution of plutonius coutamination on YVONNE is sufficiently complex that specific recommendations for cleanup cannot be presented. It is expected that the true picture of this contamination will unfold as the decontamination effort proceeds. Presented are sone of the requirements and objectives that vill establish a backsround from which plans can be made for recovery of plutonium on YVONNE, a. Decontamination of YVONNE is seen as an iterative process, naneiy, removal of soil, monitoring of radioactivity levels, and renoval of more soil. This amounts leveis and reduction of b. to a search for the hisher plutonium Lnese to the lowest praciticabie veiue. A tean of experts should be assembled who can make and interpret field radiation and radioactivity measurements, advise on cleanzp actions, and provide necessary health physics support ineludinr protection of workers, decontzinination of workers anid equipment, and packaging and handling of collected plutoniim. The objectives of the cleanup are two: (1) “Recovery. of the pieces of plutoniumchat have been observed. on or ncer the island surface. i Some contain millicgran quantities of plutonium metal and are easily detected with {field survey instruments such as the FIDLER. Recovery of plutonium contaminated soil. To a f cst approximation, the location of the zones of hicher Pu cun- centrations are shown in the survey profiltsamples. se ets « cv) a) (2) Pp. c.