Current Status of Antifouling Biocides Contamination in the Seto Inland Sea, Japan

IF 3.7 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Archives of Environmental Contamination and Toxicology Pub Date : 2023-11-01 DOI:10.1007/s00244-023-01036-8
Hiroya Harino, Madoka Ohji, Kumiko Kono, Toshimitsu Onduka, Takashi Hano, Kazuhiko Mochida
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Abstract

A monitoring survey of antifouling biocides was conducted in the Harima Nada Sea and Osaka Bay of the Seto Inland Sea, Japan to assess contamination by organotin (OT) compounds and alternative biocides. The concentrations of tributyltin (TBT) compounds in surface water ranged from 1.0 to 2.8 ng/L, and the detected TBT concentrations in the bottom water layer were higher than those in the surface water. The concentrations of TBT compounds in sediment samples ranged from 2.0 to 28 ng/g dry weight (dw), respectively. The concentrations of alternative biocides in the water and sediment were lower than those before the banning of TBT by the International Maritime Organization (IMO). Although triphenyltin (TPT) compounds were not detected in water samples, TPT compounds were detected in the range of < 0.1–2700 ng/g dw in sediment samples. Their concentrations in the water samples were as follows: diuron, < 1–53 ng/L; Sea-Nine 211, < 1–1.8 ng/L; Irgarol 1051, < 1–4.0 ng/L; dichlofluanid, < 1–343 ng/L; and chlorothalonil, < 1–1 ng/L, and the ranges of these alternative compounds in sediment samples were diuron, 32–488 ng/g dw; Sea-Nine 211, 47–591 ng/g dw; Irgarol, 33–128 ng/g dw; dichlofluanid, 67–8038 ng/g dw; and chlorothalonil, 31–2975 ng/g dw. Thus, the OTs and alternative biocides have still been detected in water and sediment samples from closed sea areas.

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日本濑户内海防污杀菌剂污染现状。
在日本濑户内海的Harima Nada海和大阪湾进行了防污杀生物剂监测调查,以评估有机锡(OT)化合物和替代杀生物剂的污染。地表水中三丁基锡(TBT)化合物的浓度在1.0至2.8纳克/升之间,底层水层中检测到的TBT浓度高于地表水中检测到的浓度。沉积物样品中TBT化合物的浓度范围分别为2.0至28纳克/克干重(dw)。水和沉积物中替代杀生物剂的浓度低于国际海事组织(IMO)禁止TBT之前的浓度。尽管在水样中未检测到三苯基锡(TPT)化合物,但在
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来源期刊
CiteScore
7.00
自引率
2.50%
发文量
63
审稿时长
8-16 weeks
期刊介绍: Archives of Environmental Contamination and Toxicology provides a place for the publication of timely, detailed, and definitive scientific studies pertaining to the source, transport, fate and / or effects of contaminants in the environment. The journal will consider submissions dealing with new analytical and toxicological techniques that advance our understanding of the source, transport, fate and / or effects of contaminants in the environment. AECT will now consider mini-reviews (where length including references is less than 5,000 words), which highlight case studies, a geographic topic of interest, or a timely subject of debate. AECT will also consider Special Issues on subjects of broad interest. The journal strongly encourages authors to ensure that their submission places a strong emphasis on ecosystem processes; submissions limited to technical aspects of such areas as toxicity testing for single chemicals, wastewater effluent characterization, human occupation exposure, or agricultural phytotoxicity are unlikely to be considered.
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