oo particulates of respirable size. This level would result ia the accunula- tion of adult organ burdens about. equal to that from fallout plutonium (56) Cn this basis the Colerade interia standard may be at least 10 tines too high. . (6) Call for a full disclosure of ail past piutoniun spilis and accidental releases and conduct appropriate surveys and cleanup operations. ~ (7) Develop standards for americium and curium, with particular attention to their distribution in the fcod chain and their uptake from the gastro- intestinal tract. SS . , (6) Give immediate attention to current plans of the U.S. Department of Defense and the U.S. Atomic Energy Commission to resettle Enewetak Atoll. The high ievels of plutonita and americium on these islands and in the lazoon sediments are likely to give rise to tragic health effects this small native noru etien sraup. uM: poe . on .J ~