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| Titre : |
Screening health risk assessment of micropullutants for indirect potable reuse schemes: a three-tiered approach
|
| in | Water Science and Technology , Vol. 56 n° 11, 29/11/2007 |
| Auteur(s) : |
C. Rodriguez
A. Cook P. Van Buynder B. Devine P. Weinstein |
| Type de document : | Article |
| Sujets : | réutilisation de l'eau potable ; micropolluants ; RECYCLAGE DE L'EAU ; risques Santé publique |
| Résumé : |
This paper presents a three-tiered approach for the preliminary assessment of micropollutants in recycled water. A risk quotient is calculated by comparing measured concentrations against benchmark values. Tier 1 corrresponds to regulated chemicals; the maximum contaminant level in drinking water is used as benchmark value. Tier 2 corresponds to unregulated chemical with toxicity information; slope factors or risk specific doses are used to calculate benchmark values. Tier 3 corresponds to unregulated chemicals without toxicity information. The "Threshold of Toxicological Concern" concept is used to calculate benchmark values. The characterization of chemicals of concern following reverse osmosis in a water reclamation plant and the application of the three-tiered approach for the eva[...] This paper presents a three-tiered approach for the preliminary assessment of micropollutants in recycled water. A risk quotient is calculated by comparing measured concentrations against benchmark values. Tier 1 corrresponds to regulated chemicals; the maximum contaminant level in drinking water is used as benchmark value. Tier 2 corresponds to unregulated chemical with toxicity information; slope factors or risk specific doses are used to calculate benchmark values. Tier 3 corresponds to unregulated chemicals without toxicity information. The "Threshold of Toxicological Concern" concept is used to calculate benchmark values. The characterization of chemicals of concern following reverse osmosis in a water reclamation plant and the application of the three-tiered approach for the evaluation of the potential health risks is presented. |
| Article en page(s) : | 35 - 42 |
| Langue(s) : | Anglais |
| Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=135680 |
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