Suchergebnisse

"Groundwater researchers, educators, regulators, and water managers should have a general working knowledge of naturally occurring fluoride in groundwater. It often occurs at concentrations unfit for drinking when the aquifer rocks are silica-rich volcanics, granites, or phosphorous-rich marine sediments. This book introduces the reader to how our knowledge of fluoride in groundwater began, its effect on teeth and bones at high dosages, its distribution in groundwaters worldwide, natural processes causing high fluoride concentrations, examples of aquifers contaminated with unhealthy concentrations of fluoride and techniques used to treat excess fluoride in groundwater."--