Comprehensive evaluation of organophosphate ester contamination in surface water and sediment of the Bohai Sea, China.
Comprehensive evaluation of organophosphate ester contamination in surface water and sediment of the Bohai Sea, China.
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DOI：
10.1016/j.marpolbul.2021.112013
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发表时间：
2021-01
影响因子：
5.8
通讯作者：
Y. Qi;Zhuoshi He;Jingjing Yuan;Xindong Ma;Jin-Zhou Du;Ziwei Yao;Wenfeng Wang
中科院分区：
文献类型：
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作者：
Y. Qi;Zhuoshi He;Jingjing Yuan;Xindong Ma;Jin-Zhou Du;Ziwei Yao;Wenfeng Wang
研究了渤海表层水和沉积物中14种有机磷酸酯（OPEs）的分布特征。共收集了53对地表水和沉积物样品，并使用气相色谱-质谱（GC-MS）定量所含的OPEs。表层水和沉积物中有机磷农药的平均浓度范围分别为0-92.9纳克/升和0.001-8.58纳克/克干重，其中磷酸三（2-氯乙基）酯（TCEP）是两个隔室中的主要同系物。表层水和沉积物中14种有机污染物的总浓度（∑ 14 OPEs）分别为10.9-516.4 ng/L和1.42-52.9 ng/g dw。经计算，水中∑ 14 OPEs的存量为179.3吨，沉积物中为101.5吨。基于风险因子（RQs），认为OPEs对渤海水生生物的生态风险可以忽略不计。
This study investigated the occurrence and profile of 14 organophosphate esters (OPEs) in surface water and sediment of the whole Bohai Sea. A total of 53 pairs of surface water and sediment samples were collected and the contained OPEs were quantified using a gas chromatography–mass spectrometry (GC–MS). The average concentrations of OPEs in surface water and sediment were in the range of 0–92.9 ng/L and 0.001–8.58 ng/g dry weight (dw), respectively, with tri (2-chloroethyl) phosphate (TCEP) as the predominant congener in both compartments. The total concentrations of 14 OPEs (∑14OPEs) in surface water and sediment were in the range of 10.9–516.4 ng/L and 1.42–52.9 ng/g dw, respectively. The inventories of ∑14OPEs were calculated to be 179.3 tons in the water and 101.5 tons in the sediment. Based on the risk quotients (RQs), the ecological risks of OPEs to the aquatic organisms in the Bohai Sea were considered to be negligible.