chapter 1 Anthropogenic Impacts and Synthetic Surfactants as Pollutants of Aquatic Ecosystems -- chapter 2 Organisms and Methods -- chapter 3 Biological Activity of Waters Containing Anionic Surfactants -- chapter 4 Biological Activity of Waters Containing Nonionogenic Surfactants -- chapter 5 Biological Activity of Waters Containing Cationic Surfactants -- chapter 6 Biological Effects of Surfactant-Containing Mixtures and Other Preparations -- chapter 7 Biological Effects of Synthetic Surfactants and Participation of Hydrobionts in Water Purification.