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Quantification of bisphenol A, 353-nonylphenol and their chlorinated derivatives in drinking water treatment plants.

Antoine Dupuis 1 Virginie Migeot 1 Axelle Cariot 1 Marion Albouy-Llaty 1 Bernard Legube 1 Sylvie Rabouan 1
1 Chimie de l'eau et traitement de l'eau
IC2MP - Institut de Chimie des Milieux et Matériaux de Poitiers
Abstract : Bisphenol A (BPA) and nonylphenols (NP) are of major concern to public health due to their high potential for human exposure and to their demonstrated toxicity (endocrine disruptor effect). A limited number of studies have shown that BPA and NP are present in drinking water. The chlorinated derivatives that may be formed during the chlorination step in drinking water treatment plants (DWTP) exhibit a higher level of estrogenic activity than their parent compounds. The aim of this study was to investigate BPA, 353NP, and their chlorinated derivative concentrations using an accurate and reproducible method of quantification. This method was applied to both surface and treated water samples from eight French DWTPs producing from surface water. Solid-phase extraction followed by liquid chromatography-tandem mass spectrometry was developed in order to quantify target compounds from water samples. The limits of detection ranged from 0.3 to 2.3 ng/L for BPA and chlorinated BPA and from 1.4 to 63.0 ng/L for 353NP and chlorinated 353NP. BPA and 353NP were found in most analyzed water samples, at a level ranging from 2.0 to 29.7 ng/L and from 0 to 124.9 ng/L, respectively. In most of DWTPs a decrease of BPA and 353NP was observed between surface water and treated water (36.6 to 78.9 % and 2.2 to 100.0 % for BPA and 353NP, respectively). Neither chlorinated BPA nor chlorinated 353NP was detected. Even though BPA and 353NP have been largely removed in the DWTPs studied, they have not been completely eliminated, and drinking water may consequently remain a source of human exposure.
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Submitted on : Friday, June 8, 2012 - 2:50:27 PM
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Antoine Dupuis, Virginie Migeot, Axelle Cariot, Marion Albouy-Llaty, Bernard Legube, et al.. Quantification of bisphenol A, 353-nonylphenol and their chlorinated derivatives in drinking water treatment plants.. Environmental Science and Pollution Research, Springer Verlag, 2012, epub ahead of print. ⟨10.1007/s11356-012-0972-3⟩. ⟨hal-00705901⟩



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