Levels of NP and BPA in the Pearl River Estuary, China: Fluctuations with Country Policy Changes over the Past 40 Years

Overview

Journal Int J Environ Res Public Health

Publisher MDPI

Specialties Environmental Health
Public Health

Date 2019 Oct 27

PMID 31653046

Citations 1

Authors

Qi Chen

Yu Lan

Jian Shi

Weijie Liu

Bo Zhu

Dong Sun

Shunshan Duan

Affiliations

Soon will be listed here.

Abstract

Sediment cores were collected from four outlets in the Pearl River Estuary (Guangdong Province, China) and dated using the Pb method to investigate the pollution history of the area due to its relatively stable sedimentation status and hydrographic conditions in recent decades. The ages of the sediment cores were dated over 40 years (1968-2015). The concentrations at the four outlets ranged from 2.21 to 48.52 ng g dw for nonylphenol and were non-detectable for 23.64 ng g dw for bisphenol A (BPA), which exhibited a decreasing trend from north to south as well as seaward. The fluxes (2.84 to 112.91 ng cm yr and non-detectable to 59.33 ng cm yr for nonylphenol and bisphenol A, respectively) stabilized in the 1980s to 1990s due to the construction of sewage treatment systems. The fluxes increased again in the 21st century, which reached a peak ca. 2010 but declined in recent years due to the establishment of regulations and the decreasing number of industrial enterprises. Fluctuations in the pollution composition coincided with industrial development and governmental policies.

Citing Articles

Degradation of Bisphenol A by CeCu Oxide Catalyst in Catalytic Wet Peroxide Oxidation: Efficiency, Stability, and Mechanism.

Jiao Z, Chen L, Zhou G, Gong H, Zhang X, Liu Y Int J Environ Res Public Health. 2019; 16(23).

PMID: 31771209 PMC: 6926835. DOI: 10.3390/ijerph16234675.

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