This is recommended with provisos that: 1. The full amount of the numerical values should not be used for evaluating exposures from a single man-made source, in this case radioactivity from weapons tests. This is applied so that the Enewetak people will not be denied benefits of future nuclear technology because they are receiving exposures from man-made radiation at the maximum level of acceptable standards. 2. Environmental followup surveys and studies of radioactivity levels in people are performed such that the full range of radiation exposures of individual members of the Enewetak population will be known, 3. Exposures of the Enewetak people are kept to the minimum practicable level. Survey, Cleanup, and Rehzebilitation Evaluation It is recommended in this context that: 1. The FRC Radiaticn Protection Guide (RPG's) for individuals should be used as the basic standard. The requirement is to assure that exposures for continuous residence in Enewetak Atoll will be well within the annual and 30-year criterion. While these are conservative standards from a health view point, there is no built-in conservatism to account for uncertainty in prediction of annual exposures to individuals. Because of the complex circumstances of exposure and the many pathways, each with its uncertainty, the Task Group recommends use of 50 percent of the FRC annual standards for evaluation of the many cleanup and rehabilitation alternatives at Enewetak Atoll. This is not to be viewed as an attempt to establish new standards but is considered to be a necessary precaution in the application of current standards. The following values apply for evaluation of alternatives: Whole body ...cecccscccccceseee ee 0-25 Rem/yr Bone Marrow cesses cccecevesceee 0.25 Rem/yr BONG. cece ccccenccccvevcccerccsee O75 Rem/yr Thyroid ... cece ccc ee ee ween cee ee Oe 15 Rem/yr TIl—10