Crushes and theirs effect on water quality

This thesis is focused on accidents in water and their their division into groups according to different factors. Work detailing the chemical accidents resulting in pollution of surface and groundwater, which became the Czech Republic since 2000. Describes chemicals that often escape into the water and damage to their quality. Furthermore, there is described an accident in 2006, when form "Lučební závody Draslovka, Kolín" leaked into the Elbe dangerous cyanide. Key words: Accidents, water pollutio