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P.021
BNL-MED. DEPT.
-19were contaminated; they inhaled and obviously ingested certain intetfrtoate amounts
of material.
The cody burdens of isotopes in these individuals was evaluated by radio chemical
analysis of the urine of the exposed people and assisted by studies bn swine.
These
swine were removed from the island at a later date.
The urinary and] fecal excretion
was studied and ultimately the animals were killed.
Extensive radio chemicals anslysis
By comparison approximations of ody burdens of
were made of their entire bodies.
radionuclides was made.
Rare amd alkaline earths accounted for about 70% of the urine
tiun 89 vas about at the maximum permissable level at one day.
ctivity.
Stron=
lod ne 131 and other
members of the iodine family which had to be presont early, result
ina dose of
radiation to the thyroid glands, estimated between 100 and 150 rep.
To this of course,
must be added the penetrating externs] gamma component.
radiation vas
barely detectable in the urine.
By 6 month
At 2 years from analysis of pooled urine samples
and individual samples very tiny amounts of sr90. Cat| Pr. and Ca vere present",
The results of the tree year radiochemical analysis of the urinces that were recently
collected are not completed as yet.
It was believed that tho body burdens of these
people was very low and probably biologically insignificant.
Howe
r it wes decided to
bring some of the individuals to the United States for study with
e total body gamma
counter at the Argonne National Laboratory.
not because of
This decision was tned
any fear but because the analysis of the urine and the animal anal sis vas an indir
ect means to obtain probable body burdens.
It was obviously desir able to obtain a
firm direct measurement of the body burden from the scientific sta
determine the precise body burdens.
point and to
Pour individuals from the Ron elap group, two
from the (irik group ami one control Marshallese (a total of 7) w re brought to the
United States and taken to the Argonne National Laboratory.
There » under the direction
of Dra. Marinelli, Rose ami Miller the total body gamma activity uv g measured.
*
The
Studies performed both at U. S. Naval Radiological Defense Labo atory ard Welter
Reed Amay Medical Center.
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