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Through the Safe Drinking Water Act, the United States Environmental Protection Agency has set a maximum contaminant level of 10 mg/L or 10 ppm of nitrate in drinking water. [ 24 ] An acceptable daily intake (ADI) for nitrate ions was established in the range of 0–3.7 mg (kg body weight) −1 day −1 by the Joint FAO/WHO Expert Committee on ...
Drinking water quality standards in the European Union stipulate less than 50 mg/L for nitrate in drinking water. [19] The linkages between nitrates in drinking water and blue baby syndrome have been disputed in other studies. [20] [21] The syndrome outbreaks might be due to other factors than elevated nitrate concentrations in drinking water. [22]
Drinking water quality standards describes the quality parameters set for drinking water. Water may contain many harmful constituents, yet there are no universally recognized and accepted international standards for drinking water. Even where standards do exist, the permitted concentration of individual constituents may vary by as much as ten ...
Found widely in water, air, soil, and the blood of people and animals all over the world—and in the drinking water of over 143 million Americans—they are linked to a host of health effects at ...
Water treatment often relies on the activity of anaerobically denitrifying bacteria in order to remove nitrate from water. [5] However, due to the absence of oxygen, nitrate cannot be fully reduced to dinitrogen, thus nitrate remains in the water or it is converted to nitrous oxide. [5]
For example, much of the drinking water in the United States comes from groundwater, but most wastewater treatment plants discharge to surface water. Among wildlife, amphibians (tadpoles) and freshwater fish eggs are most sensitive to elevated nitrate levels and experience growth and developmental damage at levels commonly found in U.S ...
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