TABLES 



Section Page 



1 Permissible concentrations of toxic agents for bacteria 



(saprophytic and nitrifying) 6 



4 Application factors for various compounds 44 



4 Application factors for HLS with juveniles of six fish 



species 45 



4 96-hour LC50 of eight fish species to pesticides 4b 



7 Summary of Catherwood diatometer readings at Station 1 . . /4 



10 Characteristics of nitrogen exchange in this year's 



group of perch 109 



10 Content of Free amino acids in organs and tissues of IDE 



yearlings 110 



10 Effect of living blue-green algae on content of total 



thiamine and thiaminase activity in liver and intestine 



of fish Ill 



10 Effect of blue-green algae on content of total thiamine 



activity in liver and intestine of fish 112 



12 Production of bacterial biomass in the Rybinskiy Reser- 

 voir 127 



12 Destruction of organic matter in the water 127 



12 Main elements of the balance of organic matter in the 

 Rybinskiy Reservoir 129 



13 Values of components in dry weight at the steady state . . 134 



13 Destruction of phenol when limited by nitrogen 13/ 



14 Comparison of harmless concentrations of substances . . . ' 5 ; 5 

 17 Resistance of aquatic invertebrates of phenol 183 



