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Exposure to Environmental Pollution in Schools of Puchuncaví, Chile: Characterization of Heavy Metals, Health Risk Assessment, and Effects on Children’s Academic Performance

Author

Listed:
  • Sonnia Parra

    (Grupo de Quimiometria Aplicada, Laboratorio de Química Analítica y Ambiental, Instituto de Química, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Valparaíso 2340025, Chile)

  • Hanns de la Fuente-Mella

    (Instituto de Estadística, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340031, Chile)

  • Andrea González-Rojas

    (Laboratorio de Neurociencias Aplicadas, Escuela de Kinesiología, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2950, Valparaíso 2340025, Chile)

  • Manuel A. Bravo

    (Grupo de Quimiometria Aplicada, Laboratorio de Química Analítica y Ambiental, Instituto de Química, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, Valparaíso 2340025, Chile)

Abstract

In Chile, Puchuncaví and Quintero face substantial environmental pollution challenges. Industrial and vehicular emissions expose schoolchildren to elevated levels of pollutants, decreasing sustainability and posing risks to both their health and educational advancement. The aim of this study is to determine the distribution of heavy metals (Li, Be, V, Cr, Mn, Co, Ni, Zn, As, Se, Sr, Mo, Cd, Sb, Tl, Pb, and Cu) in the dust in and around the schools in these cities. We also evaluate the associated carcinogenic and non-carcinogenic risks, as well as whether their concentrations affect the academic performance (AP) of the students. The chemical composition of the collected dust samples is analyzed using positive matrix factorization, and two interpretable factors related to two sources of contamination (industrial and traffic + crustal) are determined. The health risk is assessed using a model including inhalation, dermal contact, and ingestion, and the influence of metal concentration on the AP of students is determined using an econometric model. The metal concentration is found to be related to the distance to the pollution source, and differences are observed between indoor and outdoor samples. The carcinogenic risk is low, while the non-carcinogenic risk is high in Greda School. The levels of heavy metals inside and outside the schools are found to influence AP. In these cities, children are exposed to high levels of environmental pollution, which may pose a risk to their health and impact their AP.

Suggested Citation

  • Sonnia Parra & Hanns de la Fuente-Mella & Andrea González-Rojas & Manuel A. Bravo, 2024. "Exposure to Environmental Pollution in Schools of Puchuncaví, Chile: Characterization of Heavy Metals, Health Risk Assessment, and Effects on Children’s Academic Performance," Sustainability, MDPI, vol. 16(6), pages 1-31, March.
  • Handle: RePEc:gam:jsusta:v:16:y:2024:i:6:p:2518-:d:1359507
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    References listed on IDEAS

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    1. Xiufeng Han & Xinwei Lu & Qinggeletu & Yongfu Wu, 2017. "Health Risks and Contamination Levels of Heavy Metals in Dusts from Parks and Squares of an Industrial City in Semi-Arid Area of China," IJERPH, MDPI, vol. 14(8), pages 1-12, August.
    2. Alessandra Cincinelli & Tania Martellini, 2017. "Indoor Air Quality and Health," IJERPH, MDPI, vol. 14(11), pages 1-5, October.
    3. Tianjie Shao & Lihuan Pan & Zhiqing Chen & Ruiyuan Wang & Wenjing Li & Qing Qin & Yuran He, 2018. "Content of Heavy Metal in the Dust of Leisure Squares and Its Health Risk Assessment—A Case Study of Yanta District in Xi’an," IJERPH, MDPI, vol. 15(3), pages 1-13, February.
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