BROOKHAVEN NATIONAL LABORATORY _ oo Peo. ASSOCIATED UNIVERSITIES. INC nae Upio7. ew Yor FISTS (Sit, ster, & Lion NG beCho.ee 345 4207 June 22, 1979 Dr. William L. Rokisor, 1-452 Lawrence Livermore Laboratory P. ©. Box BOE Livermore, Californie 4455: Dear Bill: The encloses talics Fresert dosimétric and body burder informaticen on former Bikini residents. Net externa] expoSure rates (background subtractec) were obtaines from “External Exposure MeaSurements at Bikini Atoll", N. A. Greennouse et é1., BNL Report (in press). Dbosimetric models were outlined in severa] infcrmé] reports ané are available upon request. Input data were obtained from “Whole Body Counting Results from 1974 to 1979 for Bikini Island Residents", R. S. Miltenberger et al., BNL Report (in press) and from unputlisiied bicassay results. New information on the dong term removal of 1 7Cs is being derived from replicate counts of former Bikinians done in January and May 1979. This preliminary information is aiso included, but we would Jike to corroborate these results with urine bioassay data wich: will ni. Le available for several more weeks. If you have any questions or need additional information, please contact me at FITS 66€-4207 or Bok Miltenberger at FTS 666-2503. Sincerely, N. HE A. Greenhouse NAG/1m Enclosures cc: E. Lessard wyu yw . Miltenberger - Naidu . McCraw . Wacholz (OES)-~ (EV) DOE ARCHIVES