judgements made as to exposure levels that are justifiable under the circumstances. ce RADIATION PROTECTION {STANAARDS) RELEVANT TO ENIWETOK’ GUIDANCE) _ é X — ee Within the United States essentially all radiation protection activity is based on issuances of the: Federal Radiation Council (FRC) National Council on Radiation Protection and Measurements (NCRP) International Commission on Radiological Protection (ICRP) Redermmtn dating Peitmene (Standardsi adopted and published by these bodies are in regular, day-to-day use; they provide the bases for judgements and recommendations pertaining to radiation protection at Eniwetok Atoll in the years ahead as it relates to cleanup,; rehabilitationand reoccupation of the islands by the Eniwetok Atoll people. The material which follows is based on the philosophy and numerical values contained in ICRP, NCRP and FRC publications, with the most extensive use being made of the first. Some details of ICRP, NCRP and FRC guidance are provided in a concluding section. Readers are referred to the various reports, listed as references, for complete guidance issued by the councils and commission. RADIOLOGICAL CONSIDERATIONS FOR REOCCUPATION OF ENIWETOK ATOLL ICRP, NCRP and FRC recommendations must be applied to Eniwetok in manner different from that used for a proposed nuclear facility or at a laboratory where radioisotopes or ionizing radiation generating machines are to be used. At Eniwetok radioactive contamination is distributed in SS ERBe CERES eg rRnet ere tate eo BS oat ‘ an a wo. . . «wt ached te Re a os ‘, F facies . fr , i ' . Te fo tge & od Pe ee BT whe -- _ "