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NEW YORK UNIVERSITY MEDICAL CENTER ANTHONY I LAi’ZA RESEARCFI LABORATORIES AT UNIVERSITY VALLEY’ Medical Research Center Brookhaven National Laboratory On Thursday, June 22, 1978, I performed whole body radiation measurements on Mr. Jendrick Leviticus and Mr. Kessai Note. Mr. Leviticus is a Health Aide on Bikini Island and resided there for four years after the period of testing. He was born on June 16, 1942, is 62.8 cm tall and weighs 56.6 kg. Additional anthropomorphic measurements for head, chest and trunk are on file at our Mr. Note lives on Majuro Atoll approximately 400 miles south of Bikini, and was born on August 7, 1950.” He is 65.6 cm tall and weighs 79.3 kg. All other body measurements are likewise on file at our Laboratory. Mr. Leviticus and Mr. Note were accompanied to our Laboratory The first measurement performed on Messrs. Leviticus and Note utilized a 20 x 10 cm NaI(Tl) detector with the subject in the standard “chair” position. In this configuration it was possible to determine the whole body content of CS-137 and K-40 after suitable control subjects (i.e., men of similar height and weight) had been subtracted. Results for these two nuclides for each of these individuals is given below and in Figures 1-5. Mr. Leviticus and 25.0 nCi for Mr. Note. These values are in good agreement with the values measured at our Laboratory.
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Brookhaven National Laboratory In addition to these whole body measurements, thin crystal dual NaI–CsI,(Tl) detectors were used to determine the possible presence of actinide nuclides in the skull (head) and lungs [thorax). By subtraction of a control subject, it was possible to remove the contribution from the 1.46 MeV gamma from K-40. A- suitable CS–137 phantom was -then subtracted to account for the contribution of the 0.66 MeV gamma of barium-137 m and the 32 keV X ray characteristic of barium. The resulting count rate in the Am-241 60 keV energy region was, as seen in Figures 6 and 7, essentially non–significant and not different from the control subject. It is concluded, therefore, that there is no detectable Am-241 in either subject at this time of measurement. Similarly, there was no PU–239 X-ray peak observable in the net spectra obtained by the procedure described: It has. been calculated that with 1.72 pCi of Cs-137 present, our lower limit-of detection for Am-241 in the skull For your information, I have enclosed a copy of the Laplander (reindeer herder) population article that I discussed with you recently. I think it is important that many of these people are recorded as having CS-137 body burdens similar to those of the Bikini residents, and I have just sent off a letter to our associates at Dr. Miettinen’s laboratory to see if there i.s any epidemiological health evidence available for look forward to our continued collaboration in this area. have any questions as to the meaning of any result, don’t hesitate to call. Very truly yours, Assistant Professor of
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