the remains and pictures of St. Mary in Cricf, of St. John and of the
images of angels at Urakami Cathedral blackened and disfigured by
the heat, radiation and shock of the blast.
ATOMIC DISEASE INSTITUTE, NAGASAKI UNIVERSITY
The Committee met with Dr.
Institute.

Shunzo Okajima, Director of the

He explained that of an estimated population of 9,000 in

the Nishiyama District, about 500 people had been affected by fallout.

Three hundred of these had been studied in order to get from them a groun

of 80 to study.

He said that. there is little radiation remaining in

the soil that, low, although significant amounts of radiation could
still be found in the study group.

He indicated that this group

showed a higher frequency of chromosome aberrations than a comparison
group.

Although not exposed to direct radiation from the bomb, maxi-

mum exposure was estimated to be about 30 rads.

He said thac the

people don't seem to mind the tests and that-~-relatively speaking-body burden counts were high,
1/2000th of threshold.

they were very small, in the order of

He indicated that his institute

is

preparing

a study entitled "Radioactivity and Fallout Effect Survey, Nishiyama
Residents and Comparison Subjects, Nagasaki," which would be published
within the next several months.

TOKYO
The Special Joint Committee departed
Wednesday, June 28, 1972.

wee gn io378

from Nagasaki for Tokyo on

After arriving, it contacted Dr. Kumatori

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