THE UNIVERSITY OF ROCHESTER 
MEDICAL CENTER 
601 ELMWOOD AVENUE 
ROCHESTER, NEW YORK 14642 
AREA CODE 716 
SCHOOL OF MEDICINE AND DENTISTRY • SCHOOL OF NURSING 
STRONG MEMORIAL HOSPITAL 
DEPARTMENT OF RADIATION BIOLOGY 
AND BIOPHYSICS 
December 12, 1979 
Dr. Donald Fredrickson 
Director of the N. I. H. 
Bethesda, Maryland 20205 
Dear Dr. Fredrickson: 
This is to inform you of my agreement with proposed revised 
guidelines published in the Federal Register, November 30, 
pages 69210-69251. Although I am highly concerned with labora- 
tory safety, I believe the revised guidelines are certainly 
reasonable, and in keeping with my personal experience and 
with my evaluation of published material. 
Sincerely yours, 
Fred Sherman 
FS:PG 
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