oN nen o> aN) bs x ‘ The calculated radiation exposure levels for people living only on Enewetak, Medren and Japtan islands are: LS , Maximum Individual with Imported food without imported food 20-Years 11 Mtl lirem/Year 190 Mi711rem-Bon 24 Mflltrem/Year 220 Millirem-Bone Marrow 120 Mfllirem-Whole Body mY Marrow mH Millirem-whole Body If it 1s assumed that 15% of their time is spent on the northern islands, and that 10% of their total intake of coconut meat/miik originates from the coconut trees of the noftheastern islands, the calculated radiation exposure levels are: Maximum Indtvidual 30-Years with imported food 28 Millirem/Year . 250 Millirem-Bone Marrow 200 Millirem-Whole Body without imported food 5) Millirem/Year 460 Millirem-Bone Marrow 270 Millirem-Whole Body For purposes of reference, it may be recalled that U.S. exposure criterfa are: Maximum exposure to an individual {mn any one year: Integrated 30-Year exposure level: 99Soe... 5000 Millerem Because of the uncertainties and assumptions which are inherent 1n deriving radiation exposure estimates of this nature, the Atomic Energy Commission Task Group report recommended the following exposure limits for planning and cleanup nurnoses Maximum exposure to an Individual in any one year: 250 Millirem Tnitegrated 30-Year exposure level: 4000 Millirem Given the assumptions and limitations stated, it {is apparent that all of the radiation exposure valuesare compatible with both the U.S. Exposure Guidance and the AEC Recommendations. I hope that this information is helpful to you and responsive to your request.