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… an annex is prohibited. Most of the conventions black list heavy metals such as cadmium and mercury, persistent organic …

… persistent organic pollutants, radioactive substances, heavy metals, oils (hydrocarbons), nutrients, sediment …

… rivers. Examples of pollutants are agricultural chemicals, heavy metals and nuclear waste. Once in the marine …

… gold mine that released high levels of sodium cyanide and heavy metals, relying on the Rio Declaration on Environment … since the end of the 19th century). In the 1970s, heavy nutrient discharge and 88 pollution into the Black Sea …

… the high content of pesticides and nitrates resulting from heavy irrigation. Despite its agricultural base, State A is … depends on the watercourses flora and fauna, will incur heavy losses. Hence, state B claims that state A is not … water quality, with major pollutants, such as nutrients, heavy metals, nitrogen, organic compounds, suspended …