410390
December 31,
195%
Dr. John N, Wolfe, Chief
Division of Biology and Medicine
United States Atomic Energy Commission
Washington 25, D. C.
BEST COPY AVAILABLE
Dear John:
Rather than send the information about the Rongelap fish in a
TWX we thought there would be less chance for error by calling
you directly. For your record the information that was dictated
to Patt by telephone on December 31 is as follows:
The average gross beta values for Rongelap fish in terms of
microcuries per kilogram of wet tissue are as follows:
1.
March 1953,
Kabelle Island reef fish
muscle whole fish - ~
2.
March i958, Rongelap Island reef fish
muscle -
whoie fish -
3.
9,026
0.10
9,906
~ 0.010
August i958, Rongelap Island reef fish -(average maximum value)
muscle -
0,005
(This is an average of a group of fish for which the values
from earlier collections have been a maximum).
4.
Current average values are as low as or lower than values from
any of the previous collections.
Isotopic composition of Samples:
1.
The estimated amount of K*9 in muscle is approximately
2.
zn®® is the principal garoma emitter in fish muscle.
value from the August i958 collection is 0.2 uc/kg.
003 uc/kg.
Maximiarn