4.5 Article

The Potential Health Costs of PM10 Impacts on a Gold Mine Village, during Company Liquidation: An Analysis of 2013-2017

Journal

MINERALS
Volume 12, Issue 2, Pages -

Publisher

MDPI
DOI: 10.3390/min12020169

Keywords

health risk; morbidity; PM10; respiratory illness; cost; windblown dust

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Windblown dust from tailings storage facilities (TSFs), especially in towns with liquidated mining companies, worsens air pollution and has negative impacts on the ecological and socio-economic well-being of surrounding communities. This study fills a research gap by examining the externalities of PM10 generated from wind erosion of suspended particulate matter from TSFs. The findings suggest that the air pollution caused by partially rehabilitated TSFs has the potential to significantly affect the socio-economic status and health-related costs of mining communities.
Windblown dust from tailings storage facilities (TSFs), particularly in towns with liquidated mining companies, exacerbate air pollution. Companies of suddenly closed mine operations evade the responsibility of environmental and socio-economic care required by law. It is common for suddenly closed mines to have poorly rehabilitated TSFs which become a significant source of pollution by dust for the surrounding communities. There is strong evidence that acute exposure to high levels of air pollutants causes significant mortality and morbidity. However, very few studies have estimated the externalities of PM10 emanating from gold TSFs especially when a mine closes suddenly owing to company liquidation. By exploring the externalities of PM10 arising from wind erosion of suspended particulate matter from TSFs, this study fills an existing gap in the literature. A 'bottom-up' approach was implemented in this study following the External Energy (ExternE) project, and a gold mine operation that was liquidated between 2013 and 2017, was used as the case study. In this study, the externality of PM10 estimated was the cost of illness focusing specifically on respiratory-related illnesses. The results showed that the estimated cost of illness associated with PM10 inhalation was a total of R 5,560,022 including assessments of both neighboring Wedela and the Gold mine village based on the threshold concentration set by the South African National Ambient Air Quality Standards (NAAQS) guideline and R 66,092,760 when considering the Fund for Research into Industrial Development Growth Equity (FRIDGE), Airshed and Infotox. Thus, it was concluded that air pollution by windblown dust from partially rehabilitated TSFs has the potential to significantly affect surrounding mining communities' socio-economic status through poor health and the costs thereof.

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