Respectfully submitted 
Burke K . Z^jmrne rman , Ph . D . 
Staff Scientist- 
Environmental Defense Fund 
Joseph H. Highland,* Ph . D . 
Chairman 
Toxic Chemicals Program 
Environmental Defense Fund 
A. Karim Ahmed, Ph.D. 
Staff Scientist 
Natural Resources Defense Council 
-UC, X (^JcjS-vT^/Li-v 
Marcia Cleveland 
Staff Attorney 
Natural Resources Defense Council 
Philip /.Meuse V 
Staff Attorney 
Environmental Defense Fund 
November 11, 1976 
65 
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