Research Requirements 1.) Environmental Residence Time for 13706. 90 Sr, 239+240 Pu 24) Am 34 2.) Radionuclide Cycling in Atoll Ecosystems 36 3.) Remedial Measures 37 a.) Reduced Uptake b.) Inventory Reduction 4.) Radionuclide Distribution in Copra Products 38 5.) Transuranics in Fish 39 6.) Ground-Water 40 7.) Enewetak Crater 4] 8.) Other Radionuclides and Pathways 4) D. Radiological Dose Assessment and Risk Analysis 1.) Data Reduction 42 2.) Data Bank 43 3.) Radiological Dose Assessment 44 4.) Risk Analysis 45 5.) Personnel Monitoring-Whole Body Counting and Urine Bioassay Other Atolls 1.) Requirements for Dose Assessment a.) Terrestrial and Marine Sample Collection b.) Dietary and Consumption c.) External Gamma Measurements 46 46 48 2.) Research Requirements 48 3.) Dose Assessment 48 Shiptime Support 49