TECHNICAL REPORT DATA 



(Please read Innrnctions on the reverse before completing) 



1. REPORT NO. 



EPA-600/3-78-076 



title andsubtitle p r0C eedinqs of the First and Second USA- 

 USSR Symposia on the Effects of Pollutants Upon Aquati 

 Ecosystems Volume I-Duluth, Minnesota, USA Symposium- 

 October 21-23, 1975 Vpjum§ IJ-gQrok, Jaroslavl Oblast 

 USSR Symposium - June 



3. RECIPIENT'S ACCESSION-NO. 



5. REPORT DATE 



August 1978 issuing date 



'flans' 'lift 1 



6. PERFORMING ORGANIZATION CODE 



7. AUTHOR(S) 



8. PERFORMING ORGANIZATION REPORT NO. 



Environmental Protection Agency - USA 

 Soviet Academy of Sciences - USSR 



9. PERFORMING ORGANIZATION NAME AND ADDRESS 



US-USSR Joint Agreement on Environmental Protection: 

 Project .02-. 02-1. 3, Effects of Pollutant Upon Aquati 

 Ecosystems and Permissible Levels of Pollution. 

 US EPA, Grosse He, Michigan 48138 



10. PROGRAM ELEMENT NO. 



1BA769 1BA608 



"11. CONTRACT/GRANT NO. 



1? SPONSORING AGENCY NAME AND ADDRESS 



Environmental Research Laboratory - Duluth, MN 

 Office of Research and Development 

 U.S. Environmental Protection Agency 

 Duluth, Minnesota 55804 



13. TYPE OF REPORT AND PERIOD COVERED 



I n-House 



14. SPONSORING AGENCY CODE 



EPA/600/03 



15. SUPPLEMENTARY NOTES 



Prepared in cooperation with the Institute for the Biology of Inland Waters, 

 Soviet Academy of Sciences, Borok, Jaroslavl Oblast, USSR. 



16. ABSTRACT 



This publi 

 jointly by the 

 (Volume I) was 

 second (Volume 

 1976. The pub! 

 papers, designe 

 tion of ecologi 

 state-of-the-ar 

 historical aspe 

 problems, effec 

 transport of po 



cation represents the proceedings of two symposia conducted 



US EPA and the Academy of Sciences of the USSR. The first symposia 



held in Duluth, Minnesota, USA on October 21-23, 1975, and the 



II) was held in Borok, Jaroslavl Oblast, USSR during June 22-26, 



ished papers from these symposia contain both broadly based review 



d to familiarize attendees with a wide cross-sectional representa- 



cally related activities in each country, and narrowly specific 



t scientific discussions. The presentations focus upon methodology, 



cts, microbial and abiotic degradation processes, trace metal 



ts of toxicants, proposed species indices, and studies of fate and 



1 lutants. 



KEY WORDS AND DOCUMENT ANALYSIS 



DESCRIPTORS 



Freshwater 

 Phosphorus 

 Nitrogen 

 Pesticides 



Fishes 

 Stream Flow 



Bioassay 

 Communities 



Phytoplankton 

 Nutrients 

 Waste Treatment 



Waffer go 1 



a 1 i ty 



b. IDENTIFIERS/OPEN ENDEDTERMS 



Toxic Substances 



Macrobenthos 



Microbiota 



Water Quality Criteria 



Great Lakes 



Maximum 



Permissible 



Concentrations 



c. COSATI Field/Group 



57H 

 68D 



13. DISTRIBUTION STATEMENT 



Release to Public 



19. SECURITY CLASS (This Report) 



Unclassified 



21. NO. OF PAGES 



412 



20 SECURITY CLASS (This page) 



Unclassified 



22. PRICE 



EPA Form 2220-1 (9-73) 



158 



