CONTENTS 



Foreword iii 



Preface iv 



Introduction v 



Figures vi 



Tables vi i i 



Acknowledgements xi 



1. Toxicity Tests in the Regulation of Waste Discharges in 

 the United States 



Peter Doudoroff 1 



2. Toxicological Control of Pollution of Freshwaters 



N.S. Stroganov 8 



3. Toxicity of Experimental Forest Insecticides to Fish and 

 Aquatic Invertebrates 



Richard A. Schoettger and Wilbur L. Mauck 11 



4. Principles and Methods of Biological Establishment of the 

 Norms of Chemical Substances and Evaluation of the Level 

 of Pollution in Water-Bodies 



V.I. Lukyanenko 28 



5. Chronic Effects of Low Levels of Hydrogen Cyanide on 

 Freshwater Fish 



Lloyd L. Smith, Jr 39 



6. Microbiological Indices of the Quality of Water and Methods 

 of Their Determination 



V.I. Romanenko 55 



7. Ammonia and Nitrite Toxicity to Fishes 



Rosemarie C. Russo and Robert V. Thurston 75 



8. A Research System for Developing Fisheries Standards for 

 Water Quality, Considering the Peculiarities of Transferring 

 Experimental Data to Natural Water Bodies 



L.A. Lesnikov 83 



9. Collagen and Hydroxyproline in Toxicological Studies 

 With Fishes 



Foster L. Mayer and Paul M. Mehrle 92 



xn 



