permissible emergency level of 11,000 disintegrations per minute per
cubic centimeter,
At 4:45 p.m. Dr. Smyth joined the meeting.
Dr, Dunham reported on the radiation exposures from the medical .
point of view,
The natives in the Rongelap group received about 150 r.
They described the fall-out as a fine sand or flufty powder, beginning
at H + 12 hr.
They were evacuated at H + 51 hr, | They felt fine for
two weeks after exposure; then various symptoms (burns, loss of hair,
depigmentation) began to develop.
They would probably recover
satisfactorily.
Some of the exposed Japanese fishermen were in critical condition
according to the most recent reports of their blood pictures,
If the .
reports were correct, come fatalities might be anticipated.
At 5:15 p.m. Dr. Dunham, Dr, Claus, and Dr. Smyth left the meeting.
In the remainder of this session, various comments were exchanged
on:
what the.GAC should say about the Nevada Proving Ground question;
preinitdation; boldness or the lack of it at Los> Alamos; etc.
At 5; 45 pam. this session was adjourned.