-2- indjvidual, or 250 mrem in any one year and eighty per cent of the 30 year exposure value, or 4000 mrem over 30 years. Several different scenarios and living patterns and conditions were examined assuming that people would be living on Enjebi: Potential Living Pattern a. Coconuts only from southern No imported food available Coconuts only from southern islands e. Local and imported food consumed d. Local and imported food consumed Coconuts from Enjebi to Billae e. No imported food available Coconuts only from Enjebi f. FRC Guidance |, Local and imported food consumed islands b. Years to Meet Exposure(mrem) Coconuts only from Enjebi 3. 300 0 560 10-15 975 35-40 ° 900 . . 2000 No imported food available Coconuts from Enjebi to Billae 1860 30-35 . = 65-70 60-65 (The assumptions underly ing: these estimates are identified: in the LLL preliminary ‘report’and should be recalled,’ e.g., time spetit on : wo pote Br ate : +. ware, com islands other than Enjebi, coconuts consumed from other islands, etc.) If tie AEC recommendations are applied, the time intervals increase by about 30 years. ‘For example, category "c" above would be about 65-70 years, category "d" would&be 60-65 years, category "e” would be about... 95-100 years, and category "f" would be about 90-95 years. = — ve InoectT At Presumably this. decision was based at least in part upon our letter to you of September 28, 1979, in which we estimated the potential additional radiation exposure to people assumed to live on Enew&tak,