CONTENTS 



Foreword iii 



Preface iv 



Introduction v 



Figures ix 



Tables xiv 



Acknowledgment xvii 



1. A Research Strategy for Anticipating Contaminant Threats 

 to Aquatic Resources 



Richard A. Schoettger and J. Larry Ludke 1 



2. Principles of Estimation of Normal and Pathologic States 

 of Reservoirs with Chemical Pollution 



N.S. Stroganov 18 



3. Theoretical Aspects of the "Normalcy and Pathology" 

 Problem in Aquatic Ecotoxicology 



L.P. Braginsky 34 



4. Trends in Aquatic Toxicology in the United States: 

 A Perspective 



Foster L. Mayer, Jr., Paul M. Mehrle, Jr. and 



Richard A. Schoettger 44 



5. Comparison of Principles of Development and Use of Water 

 Quality Standards in the USSR and USA 



L.A. Lesnikov 60 



6. Chlorinated Hydrocarbons as a Limiting Factor in the 

 Reproduction of Lake Trout in Lake Michigan 



Wayne A. Willford 75 



7. Organophosphorus Pesticides and Their Hazards to Aquatic 

 Animals 



V.I. Kozlovskaya and B.A. Flerov 84 



8. Monitoring Contaminant Residues in Freshwater Fishes in 

 the United States: The National Pesticide Monitoring 

 Program 



J. Larry Ludke and C.J. Schmitt 97 



vn 



