This Textbook Shows Environmental Scientists, Engineers And Students How To Examine A Water Pollution Problem And Methodically Investigate And Solve It. It Describes The Nature And Properties Of Water And Defines Water Pollution And Its Categories.The Book Practical Examples And Common Situations Reinforce A Fundamental Understanding Of The Biological Effects Of Pollution. The Book Focuses On Bacteria And Algae To Show Their Importance As Pollution Indicators As Well As Their Role In Natural Purification. Content Highlights : - # Preface # Introduction # Overview Of Water Pollution # The Nature Of Water And The Hydrologic Cycle # Overview Of Aquatic Ecosystems # Bacteria And Water Pollution # D Dissolved Oxygen And Natural Purification # Algae And Eutrophication # The Estuarine Environment # The Nitrogen And Phosphorous Cycles # Thermal Pollution # The Sulfur Cycle # Aquartic Toxicology # Pollution By Inorganic Materials And Metals # Pesticides And Water Pollution # Polychlotinated Biphenyls # Pollution From Petroleum Hydrocarbons # Pollution From Biological Sources # Index