fh oy n w all of these internally deposited isotopes only amounted to But it was estixated that the total body dese from several hundred milliroengtens per year and, as you know, our ornanw MPC levels are based on peacetime limits and are very conservative with a safety factor of about 10 which is usually oo - cases, much radiation hazard. cranked in, So in the aftermath of a nuclear war it would seem to me that this Marshallese experience does tend to in- dicate that one can live in a contaminated area without too 10 FREMONT-SMITH: il CONARD: Yes. With that degree of contamination. But even extrapolating back to larger 12 amounts, judging by the smaller dosage they received, it would 13 seem that it would be a minimal hazard, 14 15 ROOT: 3 You mean if you hadh't moved them off at all it would have been a minimal hazard? 16 CONARD: I would say that it probably would. I don't 1T think that I want to stick my neck out that far because I 18 really haven't calibrated what the total dose would be if they 19 had remained on the Island continuously, put certainly it's 20 not anywhere near in the range of the acute immediate hazard. 21 . ROOT: You man that's a good shelter hypothesis 22 then Lf you can get them all under shelter while the actual 23 fallout was taking place? 24 without perhaps danger? 25 CONARD: 26 AYRES: They could emerge the next day I wouldn't say the next day. That's a standard self-defense notion that 27 you shelter for a couple of weeks and during that tine the 28 drops by a factor of 100 and then you're probably all right. 29 ROOT: 390 CONARD: 31 Yes. Most of the radioiodine by that tine has decayed. 32 EISENBUD: 33 (orf the record] I would like this off the record. Stattcrd Warren DOBIUCLA $2

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