Finally, I have read the statements of Dr. Monica Riley of 
the American Society of Microbiologists, Dr. Elliot Norse of the 
Ecological Society of America, and Margaret G. Mellon, Director 
of the Toxic Substances Program of the Environmental Law 
Institue, on July 23, 1986, before the Subcommittee on Natural 
Resources, Agriculture Research and Environment, and the 
Subcommittee on Science, Research and Technology of the Committee 
on Science and Technology. I concur with their concerns which 
point up very serious shortcomings in these definitions, which 
are such a significant aspect of the review process envisioned by 
the Framework. 
Sincerely, 
Liebe F. Cavalieri 
September 26, 1986 
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