School of Technology, University of Campinas, UNICAMP, Limeira, São Paulo, Brazil.
Institute of Chemistry, University of Campinas, UNICAMP, Campinas, São Paulo, Brazil.
Environ Sci Pollut Res Int. 2021 Feb;28(8):9824-9835. doi: 10.1007/s11356-020-11428-1. Epub 2020 Nov 6.
In this study, a multi-residue method was used to analyze 13 pesticides and 1 degradation product in surface and groundwater in the region with the largest sugar cane production in the world. The potential effects of individual pesticides and their mixtures, for aquatic life and human consumption, were evaluated. For the surface water, 2-hydroxy atrazine, diuron, carbendazim, tebuthiuron, and hexazinone were the most frequently detected (100, 94, 93, 92, and 91%, respectively). Imidacloprid (2579 ng L), carbendazim (1114 ng L), ametryn (1101 ng L), and tebuthiuron (1080 ng L) were found at the highest concentrations. For groundwater, tebuthiuron was the only quantified pesticide (107 ng L). Ametryn, atrazine, diuron, hexazinone, carbofuran, imidacloprid, malathion, carbendazim, and their mixtures presented risk for the aquatic life. No risk was observed for the pesticides analyzed in this work, alone or in their mixtures for human consumption.
本研究采用多残留方法分析了全球最大甘蔗产区地表水和地下水中的 13 种农药和 1 种降解产物。评估了个别农药及其混合物对水生生物和人类食用的潜在影响。对于地表水，2-羟基莠去津、敌草隆、多菌灵、特丁津和环嗪酮的检出频率最高（分别为 100%、94%、93%、92%和 91%）。水中检出的最高浓度的农药分别为氯吡虫啉（2579ng/L）、多菌灵（1114ng/L）、莠去津（1101ng/L）和特丁津（1080ng/L）。对于地下水，特丁津是唯一被量化的农药（107ng/L）。莠去津、阿特拉津、敌草隆、环嗪酮、克百威、氯吡虫啉、马拉硫磷、多菌灵及其混合物对水生生物存在风险。本研究分析的农药单独或混合使用时，对人类食用均未观察到风险。
