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. 2020 Jul 27;192(8):546. doi: 10.1007/s10661-020-08452-6

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a–d CRV water sample pesticide concentrations in μg/L (sampling campaigns: a first sampling campaign (March of 2015), b second sampling campaign (May of 2015), c third sampling campaign (July of 2015), and d fourth sampling campaign (July of 2016)). Sample codes: 1 = HOLL, 2 = HILA, 3 = BOLZ, 4 = BILA, 5 = FE-1,6 = FE-2, 7 = BDW (Ziway), 8 = ANLZ-1, 9 = ANLZ-2, 10 = ANLZ-3, 11 = AALZ-1, and 12 = AALZ-2