Page Ten 
September 13, 1978 
Please keep in mind that the foregoing pages address 
those areas of the revised Guidelines which I believe require 
further attention, rather than the numerous sections which are 
superbly done. I hope that you will find my comments helpful. 
Sincerely yours, 
BURKE K. ZIMMERMAN, Ph.D. 
Professional Staff 
Subcommittee on 
Health and the Environment 
BKZ : j lm 
[A-137] 
