C. Research Requirements 1.) Environmental Residence Time for 137 Cs, 90 “Sr, 23942405 24 Nam 34 2.) Radionuclide Cycling in Atoll Ecosystems 36 3.) Remedial Measures 37 a.) Reduced Uptake b.) Inventory Reduction 6.) Ground-Water 38 39 40 7.) Enewetak Crater 4) 8.) Other Radionuclides and Pathways 4] 4.) Radionuclide Distribution in Copra Products 5.) Transuranics in Fish 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 E. 46 Other Atolls 48 T.) Requirements for Dose Assessment F. 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