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OCR Page 1 of 6
fill April 5, 1937 Mr. Barker United States Redium Co. 535 Pearl Street New York City, N.Y. Dear Mr. Barker: I have examined your employees a.s you requested with the exception of one girl which I am noting separately. There were no indications of radio-activity in any of them either by the expired air or gamma ray test. Negative results in urine examination means no sugar or albumen.