NATIONAL INSTITUTE OF RADIOLOGICAL SCIENCES 9-1, 4-chome, Anagawa, Chiba-shi, Japan it is desirable, as an ideal, to add some other examinations to the present ones, f.e. chest X-ray examination to all residents, liver function tests, more detailed hematological examinations, cytogenetical study, etc.. Without saying, expensive equipments and man power will be required to perform such examinations. Moreover, closer co-operation of Marshallese is inevitable, because more frequent blood sampling and other procedures can not be avoided. l-c. This time, the AEC team and the observers had meetings to discuss several problems with the Rongelapese and Utirikese before the beginning of the examinations. I think that these meetings were helpful to carry out the examinations smoothly. Nevertheless, I still feel that the difference of languages is the biggest obstacle which may sometimes disturb mutual understandings. In general, personnels who are engaged in health control of the Rongelapese and Utirikese should be more trained. With the help of these personnels doctor-patient relationship between the AEC team and the people being examined will be much more improved. 1-d. As mentioned in the comment on paragraph 1-b, more detailed examinations are desirable as far as possible. I propose that Trust Territory Government own a ship which has enough rooms to complete the examinations. 1014823 The ship should be equipped with an automatic 214