Research Requirements 1.) Environmental Residence Time for 137 Cs, 90 Sr, 23942405, 24 Nm 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 Bose Assessment 44 4.) Risk Analysis 45 5.) Personnel Monitoring-Whole Body Counting 46 and Urine Bioassay 46 Other Atolls 1.) Requirements for Dose Assessment 48 a.) Terrestrial and Marine Sample Collection b.) Dietary and Consumption c.) External Gamma Measurements | 2.) Research Requirements 48 3.) Dose Assessment 48 Shiptime Support 49