PREDICTED RADIATION DOSE IN REM WITH ADOPTION OF TASK GROUP RECOMMENDATIONS Maximum Annual Dose* Whole Bodv Child Bone Marrow Adult 0.125 Child 0.128 Adult 0.148 0.149 Thirty Year Doses* Whole Body Bone ** 2.2 11.5 Predicted Radiation Dose for Bikini Atoll Thirty Year Doses*** Whole Body 5.3 Bone Marrow 9.4 Measured Terrestrial Gamma Dose - Rates in U.S. 0.04 to 0.13 Rem/yr *See Option III, Table 11, of the Task Group report. Dose includes contribution from natural background, about 0.03 Rem/yr, and 0.90 Rem/30 yrs. **The dose to bone marrow is about one-third the dose tm bone. **%* Presented in "Additions to Radiological Report on Bikini Atoll, P.F. Gustafson, Division of Biology and Medicine, '' May 1968. Estimates do not include contribution from natural background. 7s Hy eM ee i Bee e ee, ®t e