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Manganese concentrations in drinking water from villages near banana plantations with aerial mancozeb spraying in Costa Rica: Results from the Infants' Environmental Health Study (ISA)

Berna van Wendel de Joode, Benoit Barbeau, Maryse F. Bouchard, Ana María Mora, Åsa Skytt, Leonel Córdoba, Rosario Quesada, Thomas Lundh, Christian H. Lindh and Donna Mergler

Article (2016)

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Cite this document: van Wendel de Joode, B., Barbeau, B., Bouchard, M. F., Mora, A. M., Skytt, Å., Córdoba, L., ... Mergler, D. (2016). Manganese concentrations in drinking water from villages near banana plantations with aerial mancozeb spraying in Costa Rica: Results from the Infants' Environmental Health Study (ISA). Environmental Pollution, 215(C), p. 247-257. doi:10.1016/j.envpol.2016.04.015
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Abstract

Elevated manganese (Mn) in drinking water has been reported worldwide. While, naturally occurring Mn in groundwater is generally the major source, anthropogenic contamination by Mn-containing fungicides such as mancozeb may also occur. The main objective of this study was to examine factors associated with Mn and ethylenethiourea (ETU), a degradation product of mancozeb, in drinking water samples from villages situated near banana plantations with aerial spraying of mancozeb. Drinking water samples (n = 126) were obtained from 124 homes of women participating in the Infants' Environmental Health Study (ISA, for its acronym in Spanish), living nearby large-scale banana plantations. Concentrations of Mn, iron (Fe), arsenic (As), lead (Pb), cadmium (Cd) and ethylenethiourea (ETU), a degradation product of mancozeb, were measured in water samples. Only six percent of samples had detectable ETU concentrations (limit of detection (LOD) = 0.15 mu g/L), whereas 94% of the samples had detectable Mn (LOD = 0.05 mu g/L). Mn concentrations were higher than 100 and 500 mu g/L in 22% and 7% of the samples, respectively. Mn was highest in samples from private and banana farm wells. Distance from a banana plantation was inversely associated with Mn concentrations, with a 61.5% decrease (95% CI: 97.0, 26.0) in Mn concentrations for each km increase in distance. Mn concentrations in water transported with trucks from one village to another were almost 1000 times higher than Mn in water obtained from taps in houses supplied by the same well but not transported, indicating environmental Mn contamination. Elevated Mn in drinking water may be partly explained by aerial spraying of mancozeb; however, naturally occurring Mn in groundwater, and intensive agriculture may also contribute. Drinking water risk assessment for mancozeb should consider Mn as a health hazard. The findings of this study evidence the need for health-based World Health Organization (WHO) guidelines on Mn in drinking water. (C) 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.orgilicensesiby-nc-nd/4.0/).

Uncontrolled Keywords

Drinking water; Environmental contamination; Fungicides; Mancozeb; Manganese; Adult; Age Factors; Agriculture; Air Pollutants; Costa Rica; Drinking Water; Environmental Health; Environmental Monitoring; Ethylenethiourea; Female; Fungicides, Industrial; Humans; Maneb; Manganese; Musa; Socioeconomic Factors; Young Adult; Zineb; Air Pollutants; Drinking Water; Fungicides, Industrial; Maneb; Ethylenethiourea; Manganese; mancozeb; Zineb

Open Access document in PolyPublie
Department: Département des génies civil, géologique et des mines
Research Center: Non applicable
Funders: Canada's International Development Research Center, Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning.
Grant number: 105296-001, 2010-1211, 2009-2070
Date Deposited: 25 Oct 2018 16:06
Last Modified: 26 Oct 2018 01:20
PolyPublie URL: https://publications.polymtl.ca/3494/
Document issued by the official publisher
Journal Title: Environmental Pollution (vol. 215, no. C)
Publisher: Elsevier
Official URL: https://doi.org/10.1016/j.envpol.2016.04.015

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