Mrs. Ruth Clusen 4 May 29, 1979 The Group, therefore, recommends that DOE bring to the attention of both the the need for a caretul ? studv to assess authorities —f “appropriate “lL , teh A, ay ri Nite , TT SKS and benefits. Ihestudy should be done in concert with the page leds ,enewetak peopie. lacs Data Oed Brookhaven Bikini peered 4. . The presentation by Nat Greenhouse to the Advisory Group on March 28 and the letter dated January suggest the following: 1. oO — nea 4 pave’ -. PRR a 5. , f 2. 10, 1979, from Mr. Greenhouse to Tommy McCraw That communication should be improved between Brookhaven National Laboratory and LLL regarding the design, implementation, statistical analysis and dose estimation procedures with regard to radiological surveys of the environs and people inhabiting the Northern Marshall Islands. That an attempt be made to improve the statistical analyses of data in atl Jetter and formal reports to DOE. Even though letters may be followed by more comprehensive formal reports it is important that letter reports present effective data summaries to provide DOE with timely information upon which decisions may be based. Use of Rongelap Crabs for Food Shaye. The Advisory Group was asked by staff to review a memorandum on the Dhara be radiological impact of coconut crabs from the Northern Islands of Rongelap ~‘ ( oT{ Greenhouse; BNL - McCraw; DOE 1/10/79). -The Group assumes that the assessment Yai ;hMwe’ “|< pill be the subject of a more formal reportsincetheconclusions givenin Ned delet, romeChe verbal presentation appeared to be in conflictwiththememorandup. . yee. The staff should review the final report and insure that their recommendations Eevee r are communicated in an effective manner to the Rongelap people. 6. Predictions of Radiation Doses to Present and Returning Residents of the Marshall Islands Because decisions regarding habitation of the Marshall Islands will be oo ry ON keene pandgen Pe es Fy eee p7.,, {pre te oN based on predictions of radiation doses to present and returning residents, the Advisory Group recommends that all such dose calculations be independently verified by two or more organizations and that the basis for these calculation: be clearly presented. This is not intended to reflect on Livermore activities but we believe DOE cannot risk a repeat of the Bikini experience. ~* error could have major consequences. Singerely yours, W. J. Bair, Ph.D. Manager , Environment, Health and Safety Research Program WJB:ms cc: Northern Marshall Islands Advisory Group J. L. Deal A small