Hygienic problems regarding the chemical pollution of the waters, especially by substances without threshold.
D003902:Detergents; D005506:Food Contamination; D006838:Hydrocarbons; D007220:Industrial Waste; D010575:Pesticides; D012383:Romania; D014871:Water Microbiology; D014877:Water Pollution, Chemical; D014878:Water Pollution, Radioactive
D003902:Detergents; D006838:Hydrocarbons; D007220:Industrial Waste; D010575:Pesticides