40 CDR. CRONKITE: It was located on the scalp, where they lost their hair. MR. HARRIS: I was interested in this 700 r. That is how much of what energy at what? CDR. CONARD: DR. BOND: That is medium hard x-ray. That is another thing; what is the depilation dose? MR. HARRIS: How about the children that they depilate all the time for fungus infection. Alderson Reporting Company Washington, D. C. 10 that? DR. BOND: 12 CDR. CONARD: 13 MR. HARRIS: 15 16 Yes, with divided doses. Two to three hundred r usually. That is measured inhair. You could have a relatively small soft x-ray or gamma dose in the hair follicles, whereas you gould have a terrific high skin dose so far as REPs of beta rays are concerned. 17 DR. BOND: We had a conference with radiologists 18 and this question was asked: 19° and the estimate computed ranged from 300 to 1200 r. 20 ARC You ordinarily use a soft x-ray. 11 14 How much is CDR. CRONKITE: What is the depilation dose, There is one point which I think 21 Dr. Bond deliberately left out, and all of us wanted to, 22 but has to be considered to a certain extent, and that is, 23 how serious are the hematologic changes as observed here? I think it is my personal opinion that these people were on the borderline of as getting into serious trouble, far as platelets are concerned. particular I don't think we can ‘ tt (