Human Health Risk Assessment of Artisanal Miners Exposed to Toxic Chemicals in Water and Sediments in the Prestea Huni Valley District of Ghana

International Journal of Environmental Research and Public Health
Samuel ObiriReginald Quansah

Abstract

A human health risk assessment of artisanal miners exposed to toxic metals in water bodies and sediments in the PresteaHuni Valley District of Ghana was carried out in this study, in line with US EPA risk assessment guidelines. A total of 70 water and 30 sediment samples were collected from surface water bodies in areas impacted by the operations of artisanal small-scale gold mines in the study area and analyzed for physico-chemical parameters such as pH, TDS, conductivity, turbidity as well as metals and metalloids such as As, Cd, Hg and Pb at CSIR-Water Research Institute using standard methods for the examination of wastewater as outlined by American Water Works Association (AWWA). The mean concentrations of As, Cd, Hg and Pb in water samples ranged from 15 μg/L to 325 μg/L (As), 0.17 μg/L to 340 μg/L (Cd), 0.17 μg/L to 122 μg/L (Pb) and 132 μg/L to 866 μg/L (Hg), respectively. These measured concentrations of arsenic (As), mercury (Hg), cadmium (Cd) and lead (Pb) were used as input parameters to calculate the cancer and non-cancer health risks from exposure to these metals in surface water bodies and sediments based on an occupational exposure scenario using central tendency exposure (CTE) and reasonable maximum exposure (R...Continue Reading

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Citations

Jan 8, 2017·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Lohanathan Bharathi PriyaViswanadha Vijaya Padma
Nov 4, 2017·Environmental Science and Pollution Research International·Lesly Tejeda-BenítezJesus Olivero-Verbel
Apr 28, 2018·International Journal of Environmental Research and Public Health·Lu-Jie ZhouHai-Bin Wang
Jun 18, 2018·Environmental Monitoring and Assessment·George Yaw HadziGodwin A Ayoko
Feb 6, 2020·Frontiers in Genetics·Bonnie R JoubertKimberly A McAllister

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Software Mentioned

RISC
Risk Integrated Software for

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