Occurrence and health risk assessment of organic amine pesticides in drinking water of the Yangtze River delta urban agglomeration

IF 5.9 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Zao Yang , Shengwei Zhang , Feng Wang , Bin Dong , Minghong Cai
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Abstract

Organic amine pesticides (OAPs) are widely used in modern agriculture and these compounds can contaminate drinking water sources in different ways. However, there is a lack of data on the occurrence of OAPs in drinking water and their potential human health risks. In this study, tap water (TW) and bottled water (BW) samples were collected from eight cities in the Yangtze River Delta urban agglomeration in China, and their OAP levels were analyzed using high-throughput organic analysis testing coupled with high-volume solid-phase extraction (Hi- throat/Hi-volume SPE techniques). This study is the first to systematically characterize the trace levels of OAPs in drinking water in China. Our findings indicated that the total concentration of OAPs (∑OAPs) in TW (average 11.06 ± 4.99 ng/L) was 29.4% higher than in BW (average 8.55 ± 3.98 ng/L) and fewer kinds (7) of OAPs were detected in BW. Furthermore, the long-term intake of TW in some areas was linked to carcinogenic risks even at an acceptable OAP range, particularly in males, with molinate being the major contributor (61.3%) to OAP exposure. Further analysis revealed that the occurrence and health risks of OAPs in drinking water were mainly influenced by the quality of water sources and the technologies adopted in drinking water treatment plants (DWTPs). Furthermore, our findings demonstrated that advanced treatment technologies such as nanofiltration could more effectively remove OAPs in raw water (up to 87.5%). Therefore, our findings highlighted the importance of selecting appropriate advanced treatment technologies in DWTPs.

Abstract Image

长江三角洲城市群饮用水中有机胺类农药的存在及其健康风险评估
有机胺类杀虫剂(OAPs)广泛应用于现代农业,这些化合物会以不同的方式污染饮用水源。然而,关于饮用水中有机胺农药的出现及其对人类健康的潜在风险,目前还缺乏相关数据。本研究从中国长三角城市群的八个城市采集了自来水(TW)和瓶装水(BW)样品,并采用高通量有机分析测试和高容量固相萃取技术(高喉/高容量固相萃取技术)对其 OAP 含量进行了分析。这项研究首次系统地描述了中国饮用水中痕量 OAPs 的含量。研究结果表明,饮用水中OAPs的总浓度(∑OAPs)(平均为11.06±4.99纳克/升)比白开水(平均为8.55±3.98纳克/升)高29.4%,且白开水中检出的OAPs种类较少(7种)。此外,即使在可接受的 OAP 范围内,某些地区长期摄入 TW 也与致癌风险有关,尤其是男性,其中甲萘酸盐是摄入 OAP 的主要来源(61.3%)。进一步的分析表明,饮用水中 OAP 的出现和健康风险主要受水源水质和饮用水处理厂(DWTPs)所采用技术的影响。此外,我们的研究结果表明,先进的处理技术(如纳滤)能更有效地去除原水中的 OAPs(高达 87.5%)。因此,我们的研究结果突显了在污水处理厂选择适当的先进处理技术的重要性。
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来源期刊
Journal of Environmental Sciences-china
Journal of Environmental Sciences-china 环境科学-环境科学
CiteScore
13.70
自引率
0.00%
发文量
6354
审稿时长
2.6 months
期刊介绍: The Journal of Environmental Sciences is an international journal started in 1989. The journal is devoted to publish original, peer-reviewed research papers on main aspects of environmental sciences, such as environmental chemistry, environmental biology, ecology, geosciences and environmental physics. Appropriate subjects include basic and applied research on atmospheric, terrestrial and aquatic environments, pollution control and abatement technology, conservation of natural resources, environmental health and toxicology. Announcements of international environmental science meetings and other recent information are also included.
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