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The influence of the industrial area on the pollution outside its borders: a case study from Quintero and Puchuncavi districts, Chile

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Abstract

The specific objectives of this study were: (1) to establish background content levels of potentially harmful elements in topsoil of Quintero and Puchuncavi districts; (2) to assess the degree of topsoil pollution and identify the local sources of pollution; and (3) to assess the health risk of metal exposure to population. Data from a Chilean Environmental Ministry report were analyzed. Multivariate analysis suggests that the potentially harmful elements are split into two main groups, which can be explained by controlling geogenic (Ni, V and Zn) and anthropogenic (As, Cd, Cu and Pb) factors. The spatial distribution of As, Cd, Cu and Pb displays a spatial pattern around the Puchuncavi-Ventanas industrial park. The background values determined with MAD (median absolute deviation) method include As 31.6 mg kg−1, Cd 0.7 mg kg−1, Cu 296 mg kg−1, Ni 16.9 mg kg−1, Pb 48.6 mg kg−1, V 199 mg kg−1 and Zn 192 mg kg−1. The pollution indices reported considerable contamination to very high contamination in some soil samples. Hazard quotient values were higher for children than for adults, due to the ingestion and dermal absorption, while the cancer risk index values were in the acceptable range.

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Acknowledgements

The authors gratefully acknowledge the Chilean Environment Ministry for supplying the data used in this study. The comments of two anonymous reviewers helped to improve the clarity of the manuscript.

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  1. Facultad de Ingeniería, Universidad Católica de la Santísima Concepción, Casilla 297, Concepción, Chile

    Pedro Tume, Katherinne Barrueto, Martin Olguin, José Torres, Jessica Cifuentes, Francesc Xavier Ferraro & Oscar Cornejo

  2. Centro de Investigación en Biodiversidad y Ambientes Sustentables (CIBAS), Universidad Católica de la Santísima Concepción, Casilla 297, Concepción, Chile

    Pedro Tume

  3. Departamento de Biologia Vegetal, Facultat de Biología, Universitat de Barcelona, Av. Diagonal 643, 08023, Barcelona, Spain

    Nuria Roca & Jaume Bech

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Tume, P., Barrueto, K., Olguin, M. et al. The influence of the industrial area on the pollution outside its borders: a case study from Quintero and Puchuncavi districts, Chile. Environ Geochem Health 42, 2557–2572 (2020). https://doi.org/10.1007/s10653-019-00423-2

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