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The nitrate contamination of private well water in Iowa. 
AMERICAN JOURNAL OF PUBLIC HEALTH, vol. 83, n° 2, 1993, pages 270-272, 21 réf., ISSN 0090-0036, USA
KROSS (B.C.), HALLBERG (G.R.), BRUNER (D.R.), CHERRYHOLMES (K.), JOHNSON (J.K.)
Univ Iowa. Dep preventive medicine environmental health. Iowa City IA. USA
The State-Wide Rural Well-Water Survey was conducted between April 1988 and June 1989.
About 18% of Iowa's private, rural drinking-water wells contain nitrate above the recommended health advisory level (levels of NO3-N greater than 10 mg/L); 37% of the wells have levels greater than 3 mg/L, typically considered indicative of anthropogenic pollution.
Thirty-five percent of well less than 15 m deep exceed the health advisory level, and the mean concentration of nitrate-nitrogen for these wells exceeds 10 mg/L.
Mots-clés BDSP : Nitrate, Milieu rural, Eau consommation humaine, Contamination, Analyse chimique, Etats Unis, Amérique, Hygiène
Mots-clés Pascal : Puits, Nitrate, Milieu rural, Eau potable, Contamination, Analyse chimique, Teneur eau, Iowa, Etats Unis, Amérique du Nord, Amérique, Hygiène
Mots-clés Pascal anglais : Well, Nitrates, Rural environment, Drinking water, Contamination, Chemical analysis, Water content, Iowa, United States, North America, America, Hygiene
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et TechniqueCote : 93-0269486
Code Inist : 002B30A02A. Création : 199406.
Banque de données en santé publique - http://www.bdsp.ehesp.fr