GRADE 
Vincent F. Simmon, Vice President 
Research Division 
W.R. Grace & Co. 
7379 Route 32 
Columbia. Maryland 21044 
(301) 531-4417 
January 19, 1987 
Dr. Bernard Talbot 
Deputy Director 
National Institute of Health 
9000 Rockville Pike 
Bethesda, MD 20892 
Dear Dr. Talbot: 
We are in favor of the clarification language proposed as an 
amendment to the NIH Guidelines in Appendices C-II, C-III, and 
C-IV. 
Respectfully yours 
Vincent F. Simmon, Ph.D 
Vice President 
VFS : esc 
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Recombinant DNA Research, Volume 1 1 
