32 1 mention the nail pigmentation. familiar with that. That appeared at the base of the nail, a bluish discoloration. “4 5 of pigmentation. Alderson Reporting Company Washington, D. C. Apparently this was an aberration I think it has been reported only once in literature in a single individual. 6 are I think most of you are With regard to the hematological findings in these 7 individuals, here we see no justification throughout in 3 treating ‘the individuals other than as roots exposed to the 9 same dose of radiation. There is no physical basis upon 10 which to segregate them. 11 it appears that their activities are not too different from 12 the remainder of the Air Force boys, 13 as a group as with the other exposure groupsm the various 14 islands. 15 Even in the case of the Army boys, so these were treated A word as to the controls that were used for the 16 hematological studies. 17 and probably considerably better than most clinical studies 18 of this nature. 19 with respect to age and sex to the actual exposure groups. 20 So that while we must recognize that strict comparisons are *) not valid, as we cannot state definitely that they are 22 homogeneous samples of the same population, still we feel 23] it is an excellent control group, and will serve very 24 adequately as a guide. Berartrant of Energy Histcrian’s Office ¥ ARCHIVES They are, I thnk, at least as good Tht is, the control groups were matched For the control for the native groups, we went to