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OCR Page 1 of 2February 3, 1943
Dr. F. B. Flinn,
Columbia University,
DeLamar Institute of Public Health,
600 West 168th St.,
New York, N. Y.
Dear Dr. Flinn:
As there is some question regarding the cal-
ibration of your instrument when you made tests on our employees
for radioactivity under dates of January 19, 1943, and January
26,
1943, we are the anging to have another test made on these
individuals. There are a total of 14 who were tested on the
above two dates, and we shall arrange to send 7 to your office
on Monday, February 8th, and 7 on Monday, February 15th. The
arrangements with the girls will be made as usual through our
Health Department.
Thanking you for your cooperation in this matter,
we are,
Very truly yours,
President
CBLeesrkh
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