Using citizen science to assess cumulative risk from air and other pollution sources in informal settlements

Opiyo, Romanus Otieno; Osano, Philip; Mbandi, Aderiana Mutheu; Apondo, William; Muhoza, Cassilde

doi:10.17159/caj/2020/30/1.8374

Clean Air J.

2020

DOI: 10.17159/caj/2020/30/1.8374

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Using citizen science to assess cumulative risk from air and other pollution sources in informal settlements

Romanus Otieno Opiyo

Philip Osano

Aderiana Mutheu Mbandi

et al.

Abstract: Feature: Air quality challenges in low-income settlements A group of youth from the Mukuru settlements (Community Champions) involved in soil sample collection.

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2023

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Heavy Metal Pollution of Soils and Their Ecological Risk in Suburban Areas

2023

Global Industrial Impacts of Heavy Metal Pollution in Sub-Saharan Africa

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In this study, soils of five suburban areas of Nairobi, Kenya where vegetables were irrigated with wastewater were assayed for heavy metals and resultant concentrations compared to the predefined permissible levels. Using multivariate statistical analyses, relationships among the assayed metals were established. Furthermore, pollution and ecological risk indices were used to rate pollution levels from assayed metal contaminants. Findings showed that concentrations of As, Cd, Cr, Co, Hg and Mn were higher than permissible levels, which was indicative of pollution. All metals except Co and Ni came from similar sources based on their positive Pearson's correlation coefficient values. Based on the computed pollution and ecological risk indices, Cd and Hg had the greatest pollution contribution in the soils. Pollution in the study area was largely a result of anthropogenic activities in the vicinity. Affirmative action is imperative to regulate the release and reuse of wastewater for agricultural purposes.

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Heavy Metal Pollution of Soils and Their Ecological Risk in Suburban Areas

2023

Global Industrial Impacts of Heavy Metal Pollution in Sub-Saharan Africa

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show abstract

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Using citizen science to assess cumulative risk from air and other pollution sources in informal settlements

Abstract: Feature: Air quality challenges in low-income settlements A group of youth from the Mukuru settlements (Community Champions) involved in soil sample collection.

Cited by 1 publication

References 9 publications

Heavy Metal Pollution of Soils and Their Ecological Risk in Suburban Areas

Heavy Metal Pollution of Soils and Their Ecological Risk in Suburban Areas

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