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Contribution of phthalates and phthalate monoesters from drinking water to daily intakes for the general population
Ding, Mengyu; Kang, Qiyue; Zhang, Shiyi; Zhao, Fanrong; Mu, Di; Zhang, Haifeng; Yang, Min; Hu, Jianying
2019-08-01
Source PublicationCHEMOSPHERE
ISSN0045-6535
Volume229Pages:125-131
AbstractAlthough phthalates (PAEs) are ubiquitous in drinking water, and phthalate monoesters (MPAEs) have been recognized as the bioactive metabolites of PAEs, little information is available regarding the occurrence of MPAEs in drinking water and the contributions of PAEs and MPAEs to human exposure. In this study, the concentrations of PAEs and MPAEs in 146 samples of drinking water collected from 24 cities throughout China were determined. The mean concentrations of dimethyl phthalate (DMP), diethyl phthalate (DEP), diisobutyl phthalate (DiBP), di-n-butyl phthalate (DnBP), and di-2-ethylhexyl phthalate (DEHP) were 14.31 +/- 26.28, 5.905 +/- 11.57, 103.8 +/- 310.5, 595.9 +/- 1794, and 178.2 +/- 422.0 ng/L, respectively. Monomethyl phthalate (MMP), monoethyl phthalate (MEP), monoisobutyl phthalate (MiBP), mono-n-butyl phthalate (MnBP), and mono-2-ethylhexyl phthalate (MEHP) were detected in drinking water for the first time, at mean concentrations of 12.1 +/- 18.0, 2.4 +/- 5.8, 11.3 +/- 37.2, 36.3 +/- 103, and 9.9 +/- 18.0 ng/L, respectively. The geometric mean concentrations of MMP, MEP, MiBP, MnBP, and MEHP in urine samples collected from 1040 participants from 16 cities were 10.1, 193, 29.6, 47.3, and 3.63 mu g/g creatinine, respectively. The concentrations of PAEs and MPAEs in drinking water and daily intakes (DIs) of PAEs from nine cities where drinking water and urine samples were simultaneously collected were used to estimate the contributions from drinking water. The percentages of DMP, DEP, DiBP, DnBP, and DEHP from drinking water accounted for DIs of 0.60%, 0.049%,1.26%, 2.76%, and 0.56%, respectively. The percentages of MMP, MEP, MiBP, MnBP and MEHP via intake of drinking water accounted for urinary concentrations of 0.86%, 0.032%, 0.14%, 0.089%, and 0.045%, respectively. (C) 2019 Elsevier Ltd. All rights reserved.
Department环境水质学国家重点实验室
KeywordPhthalates Human exposure assessment Relative contribution factor
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42633
Collection环境水质学国家重点实验室
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Lab Earth Surface Proc, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Ding, Mengyu,Kang, Qiyue,Zhang, Shiyi,et al. Contribution of phthalates and phthalate monoesters from drinking water to daily intakes for the general population[J]. CHEMOSPHERE,2019,229:125-131.
APA Ding, Mengyu.,Kang, Qiyue.,Zhang, Shiyi.,Zhao, Fanrong.,Mu, Di.,...&Hu, Jianying.(2019).Contribution of phthalates and phthalate monoesters from drinking water to daily intakes for the general population.CHEMOSPHERE,229,125-131.
MLA Ding, Mengyu,et al."Contribution of phthalates and phthalate monoesters from drinking water to daily intakes for the general population".CHEMOSPHERE 229(2019):125-131.
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