Occurrence, distribution and ecological risk of ultraviolet absorbents in water and sediment from Lake Chaohu and its inflowing rivers, China

Ecotoxicology and Environmental Safety
Zhenwu TangJun Yang

Abstract

The available information is insufficient to enable a reliable understanding of the global distribution and effect of organic ultraviolet absorbents (UVAs) on ecosystems. Little is known about the pollution of China's lakes by these chemicals. We conducted a survey of UVAs in water and sediment from Lake Chaohu and its inflowing rivers. The UVAs were widely present in this area and the concentrations of total 12 UVAs (Σ12 UVAs) ranged between 162 and 587 ng/L in water and 9.70-178 ng/g in sediment. Benzophenone and benzophenone-3 were dominant in water, and benzophenone and octocrylene dominated in sediment. Higher concentrations of benzophenone were detected in the investigated water samples, although the contamination levels of UVAs in this study were comparable to those investigated in other areas. In addition to the inputs from the UVAs used as filters in cosmetics, the discharge from industries using UVAs as stabilizers also contributed much to the pollution in the study waters. Generally, the risk to aquatic organisms from exposure to UVAs in this area was low, but further research is needed to elucidate the fate of UVAs and to understand bioaccumulation and associated risks.

Citations

Sep 6, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Patrick Amoatey, Mahad Said Baawain
Nov 21, 2020·Environmental Science and Pollution Research International·Yang LyuZhenwu Tang
Jan 6, 2021·Environmental Science and Pollution Research International·Yaoxin ShenYi Xing
Feb 26, 2021·Ecotoxicology and Environmental Safety·Yang LyuZhenwu Tang
May 16, 2021·Integrated Environmental Assessment and Management·Bareum Kwon, Kyungho Choi
Jul 3, 2021·Environmental Science and Pollution Research International·Fatmé MerhabiHélène Fenet

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