EPA-600/3-78-076 

 August 1978 



PROCEEDINGS OF THE FIRST AND SECOND USA-USSR 



SYMPOSIA ON THE 



EFFECTS OF POLLUTANTS UPON AQUATIC ECOSYSTEMS 



Volume I: Duluth, Minnesota, USA Symposium 

 October 21-23, 1975 



Volume II: Borok, Jaroslavl Oblast, USSR Symposium 

 June 22-26, 1976 



ENVIRONMENTAL RESEARCH LABORATORY 

 OFFICE OF RESEARCH AND DEVELOPMENT 

 U.S. ENVIRONMENTAL PROTECTION AGENCY 

 DULUTH, MINNESOTA 55804 



