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Analytical Confirmation of Various Herbicides in Drinking Water Resources in Sugarcane Production Regions of Guangxi, China

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Abstract

This work investigated drinking water contamination by 11 commonly used herbicides in sugarcane production areas in Guangxi, China. The work developed an analytical method for determination of these herbicides in environmental waters. This work studied herbicide residues in drinking water in Guangxi, China. The maximum residues and percent of detects were: (0.091 µg/L, 29.2%, atrazine), (0.018 µg/L, 8.3%, ametryne), (0.188 µg/L, 8.3%, aetolaehlor), (0.139 µg/L, 4%, simazine), (0.585 µg/L, 62.5%, atrazine), (0.311 µg/L, 33.3%, acetochlor), (0.341 µg/L, 58.3%, ametryne), (1.312 µg/L, 29.2%, metolachlor), (0.088 µg/L, 4.2%, alachlor), (0.127 µg/L, 14.3%, atrazine), and (0.453 µg/L, 7.1%, metolachlor), respectively. The results demonstrated that agricultural herbicides were detected in all water samples, including tap, surface and groundwater samples. Since the residues are generally below the safe limits established by the government authorities, the monitored 11 herbicides do not significantly affect the quality of the human environment. This work will provide scientific understanding of pesticide residues in drinking water standards in terms of its consistency with precautionary human health and environmental safety.

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Acknowledgements

The authors acknowledge the funding from China National Key R&D Projects of Comprehensive Evaluation and Optimization of Environmental Effects of Chemical Fertilizers and Pesticides [No. 2016YFD0201208-4] and Guangxi Key Laboratory Cultivation Base of Agro-Environment and Agro-Product Safety (2016,133).

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Correspondence to Dongqiang Zeng.

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Honghong Li and Yujie Feng contributed equally to this study and share first authorship.

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Li, H., Feng, Y., Li, X. et al. Analytical Confirmation of Various Herbicides in Drinking Water Resources in Sugarcane Production Regions of Guangxi, China. Bull Environ Contam Toxicol 100, 815–820 (2018). https://doi.org/10.1007/s00128-018-2324-6

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  • DOI: https://doi.org/10.1007/s00128-018-2324-6

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