Occurrence, composition and biological risk of organophosphate esters (OPEs) in water of the Pearl River Estuary, South China

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

18 Scopus Citations
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Author(s)

  • Yongfeng Shi
  • Ying Zhang
  • Yongming Du
  • Deguan Kong
  • Qihang Wu
  • And 4 others
  • Yiguo Hong
  • Yu Wang
  • Nora F.Y. Tam
  • Jonathan Y.S. Leung

Related Research Unit(s)

Detail(s)

Original languageEnglish
Pages (from-to)14852–14862
Journal / PublicationEnvironmental Science and Pollution Research
Volume27
Issue number13
Online published14 Feb 2020
Publication statusPublished - May 2020

Abstract

Since the production of brominated flame retardants has been gradually phased out, organophosphate esters (OPEs) are increasingly used as the substitutes. Given their toxicity and water solubility, OPEs may jeopardize the aquatic environment and organisms. Here, we examined the concentration, composition, and biological risk of OPEs in the water collected from the eight major waterways in the Pearl River Delta, a highly industrialized region in China. We found a widespread occurrence of OPEs in this region (∑9OPEs: 134 to 442 ng L−1), dominated by TCPP, TCEP, and TnBP. Halogenated OPEs were dominant over alkyl and aromatic OPEs. The biological risk of OPEs, mainly contributed by TPhP and TnBP, was low (RQ < 0.1). The contamination level of OPEs in the Pearl River Delta was likely associated with the degree of industrial activities. Although OPEs posed low risk to aquatic organisms, more attention should be paid to some OPEs in the future, such as TnBP, due to the high usage and toxicity. Considering the concentrations of OPEs worldwide and their usage, OPEs may become the emerging pollutants of global concern in the next decade.

Research Area(s)

  • Biological risk, Flame retardant, Organophosphate ester, Pearl River Estuary, Water pollution

Citation Format(s)

Occurrence, composition and biological risk of organophosphate esters (OPEs) in water of the Pearl River Estuary, South China. / Shi, Yongfeng; Zhang, Ying; Du, Yongming; Kong, Deguan; Wu, Qihang; Hong, Yiguo; Wang, Yu; Tam, Nora F.Y.; Leung, Jonathan Y.S.

In: Environmental Science and Pollution Research , Vol. 27, No. 13, 05.2020, p. 14852–14862.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review