Environmental Distribution and Risk of Exposure of Heavy Metal Pollutants From Lolgorian Artisanal Gold Mining in Kenya
dc.contributor.author | Tampushi, Leonard L | |
dc.contributor.author | Onyari, John M | |
dc.contributor.author | Muthama, Nzioka J | |
dc.date.accessioned | 2022-08-05T12:17:50Z | |
dc.date.available | 2022-08-05T12:17:50Z | |
dc.date.issued | 2022 | |
dc.identifier.citation | Tampushi LL, Onyari JM, Muthama NJ. Environmental distribution and risk of exposure of Heavy Metal Pollutants from Lolgorian Artisanal Gold Mining in Kenya. Bull Environ Contam Toxicol. 2022 Aug;109(2):310-316. doi: 10.1007/s00128-022-03575-7. Epub 2022 Jul 4. PMID: 35786733. | en_US |
dc.identifier.uri | https://pubmed.ncbi.nlm.nih.gov/35786733/ | |
dc.identifier.uri | http://erepository.uonbi.ac.ke/handle/11295/161325 | |
dc.description.abstract | The aim of the study was to assess the distribution of heavy metals in the environmental compartments from artisanal and small-scale gold mining (ASGM) activities from Lolgorian, Kenya. The investigation was carried out using Inductively-Coupled Plasma-Optical Emission Spectrometry (ICP-OES). Mercury (p > 0.05) (p = 0.755), arsenic (p = 0.182), and lead (p = 0.430) mean concentrations in soil, water, sediments, and ore were not significantly different. The mean mercury, lead, and arsenic concentrations in the water were 0.66 mg/L, 0.46 mg/L, and 1.25 mg/L, respectively. In sediments, the mean values of Cr (66.65 mg/kg), Zn (45.62 mg/kg), Hg (24.63 mg/kg), Pb (22.35 mg/kg), Cd (0.90 mg/kg), and Mn (613.10 mg/kg) were found to be significantly higher. A positive correlation between ore-tailings (r = 0.971109), tailings-sediment (r = 0.9441036), and ore-sediment (r = 0.9441036), was observed indicating the presence of harmful heavy metals in the environment in excess of national and World Health Organization (WHO) recommended threshold, posing a high risk of multiple human exposure pathways. | en_US |
dc.language.iso | en | en_US |
dc.publisher | University of Nairobi | en_US |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 United States | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/us/ | * |
dc.subject | Artisanal gold mining; Heavy Metals; Ore; Soil; Tailings; Water. | en_US |
dc.title | Environmental Distribution and Risk of Exposure of Heavy Metal Pollutants From Lolgorian Artisanal Gold Mining in Kenya | en_US |
dc.type | Article | en_US |
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