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Journal of Water and Health Vol 07 No 4 pp 630–641 © IWA Publishing 2009 doi:10.2166/wh.2009.097 The case for re-evaluating the upper limit value for selenium in drinking water in EuropeE. Barron, V. Migeot, S. Rabouan, M. Potin-Gautier, F. Séby, P. Hartemann, Y. Lévi and B. LegubeUniversité de Poitiers, Laboratoire de Chimie et Microbiologie de l'Eau, UMR CNRS 6008, 40, avenue du Recteur Pineau, 86022 Poitiers Cedex, France E-mail: virginie.migeot@univ-poitiers.frUniversité de Poitiers, Faculté de Médecine et Pharmacie, 6 rue de la Milétrie, 86034 Poitiers Cedex, France Université de Poitiers, Centre Hospitalo-Universitaire de Poitiers, 2 rue de la Milétrie, 86021 Poitiers Cedex, France Université de Pau et de l'Adour, Equipe de Chimie Analytique Bio-Inorganique et Environnement, UMR CNRS/UPPA 5254, Avenue de l'Université, 64000 Pau, France Ultra Traces Analyses Aquitaine, Hélioparc Pau Pyrénées, 2 avenue du Président Angot, 64053, Pau Cedex 9, France Département Environnement et Santé Publique, Université de Nancy, Faculté de Médecine, INSERM U420, 9 avenue de la Forêt de Haye, BP 184, 54 505 Vandoeuvre-les-Nancy Cedex, France Université de Paris-Sud XI, Laboratoire Santé Publique Environnement, Faculté de Pharmacie, 5 rue JB Clément 92296 Chatenay Malabry Cedex, France ABSTRACT Selenium is an essential trace element for life, which can be toxic for humans when intakes reach a certain amount. Therefore, since the margin between healthy intake and toxic intake is narrow, the selenium concentration of tap water is a parameter that must be monitored because of its potential for increased intake. The present work gives an overview of the different approaches used to calculate safe limits for selenium. As recommended by WHO, the guidelines for drinking water form the basis of national legislated standards for drinking water. Before setting a maximum acceptable level in drinking water, it is necessary to take into account the total intake of selenium in both food and beverage. The limit value of 10 mg l-1 for drinking water laid down in the European regulations for all countries should be adapted depending on geographic area, as previously recommended by WHO. Keywords: drinking water; guideline; selenium; standard PAY-PER-VIEW: Buy this article for £23.5 (IWA MEMBER PRICE: £17.63) - All prices include VAT |
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