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Title: Seasonal variation in drinking water concentrations of disinfection by-products in Izmir and associated human health risks
Authors: Baytak, Derya
Sofuoğlu, Aysun
İnal, Fikret
Sofuoğlu, Sait Cemil
Keywords: Carcinogenic risk
Noncarcinogenic risk
Tap water
Health risks
Underground reservoirs
Water analysis
Publisher: Elsevier Ltd.
Source: Baytak, D., Sofuoğlu, A., İnal, F., and Sofuoğlu, S. C. (2008). Seasonal variation in drinking water concentrations of disinfection by-products in IZMIR and associated human health risks. Science of The Total Environment, 407(1), 286-296. doi:10.1016/j.scitotenv.2008.08.019
Abstract: Seasonal variation in concentrations of two different disinfection by-product groups, trihalomethanes (THMs) and haloacetonitriles (HANs), was investigated in tap water samples collected from five sampling points (one groundwater and four surface water sources) in İzmir, Turkey. Estimates of previously published carcinogenic and non-carcinogenic risks through oral exposure to THMs were re-evaluated using a probabilistic approach that took the seasonal concentration variation into account. Chloroform, bromoform, dibromochloromethane and dichloroacetonitrile were the most frequently detected compounds. Among these, chloroform was detected with the highest concentrations ranging from 0.03 to 98.4 μg/L. In tap water, at the groundwater supplied sampling point, brominated species, bromoform and dibromoacetonitrile, were detected at the highest levels most probably due to bromide ion intrusion from seawater. The highest total THM and total HAN concentrations were detected in spring while the lowest in summer and fall. The annual average total THM concentration measured at one of the surface water supplied sampling points exceeded the USEPA's limit of 80 μg/L. While all non-carcinogenic risks due to exposure to THMs in İzmir drinking water were negligible, carcinogenic risk levels associated with bromodichloromethane and dibromochloromethane were higher than one in million.
ISSN: 0048-9697
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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