Health risk assessment and levels of toxic metals in fishes

The concentration of Cadmium recorded for this study was lower than that reported by [61] of 0.24 mg/kg in Hepsetus odoe and Tilapia zilli along River Densu, Ghana. Ref. Ref. [ 2 ] highlighted that the estimated amount of Cadmium released into the environment naturally per year is about 25,000 tons while manufacturing and mining …

Vol. 23 No. 1 (2023): Ghana Mining Journal June Issue

Vol. 23 No. 1 (2023): Ghana Mining Journal June Issue Published: Geomatics Eng. Articles ... Removal of Cadmium by Silver Nanoparticles Incorporated in Electrospun Natural Rubber Latex/Polyvinyl Alcohol Matrix Linda Bentuma Osei, Shadrack Fosu, Agyarko Ndur 11-21 pdf ...

Full article: Heavy metals concentration and distribution in …

Currently, West Africa serves as the major route in Africa, with Ghana and Nigeria serving as the main import hubs. It is estimated that about 215, 000 tons of new and used EEE were imported into Ghana and 129, 000 tons were generated in 2009 alone (e-waste Africa Programme, Citation 2011).

Assessment of surface waters and pollution impacts in Southern Ghana

The assessment of heavy metals showed that cadmium (Cd) and copper (Cu) ... M. 2020 Mappi ng and monitoring small-scale mining activities in Ghana using Sentinel-1 Time Series

Heavy Metal Contamination in Topsoil in Mining-Plagued …

This study forms part of a larger study, "Securing Food and Ecosystem services in Mining plagued regions of Ghana" (NORAD SEFEM Project) which …

Levels of Mercury, Cadmium, and Zinc in the Topsoil of …

The Wassa West District of the western region of Ghana is noted for a large deposit of gold ores. As a result, there is a lot of mining activity in the district, which …

Distribution and in-vitro bioaccessibility of potentially

The concentration and bioaccessibility of potentially toxic metals, including As, Cd, Cr, Cu, Mn, Ni, Pb and Zn, were determined in surface soil samples from a …

Statistical Evaluation of Environmental Contamination, …

An environmental pollution investigation was carried out to determine the concentrations of aluminum (Al), arsenic (As), cadmium (Cd), and mercury (Hg) (heavy metals) in the surface water and river water bed sediments of lagoons and estuaries along the coastal belt of Ghana. The study assessed the environmental pollution situation and …

An analysis of the foremost issues with artisanal and small

Ghana has abundant mineral reserves in many of its regions, and gold mining remains one of the country's main sources of revenue. Given Ghana's current position in the global gold market, this review provides insight into the ASGM sector to give an understanding of the pertinent issues in the sector and its role in the socio-economic …

Cadmium (Cd) Ore Minerals, Uses » Geology Science

Modified date: 29/07/2023. Cadmium is a chemical element with the symbol "Cd" and atomic number 48. It is a soft, bluish-white metal that belongs to the transition metals group in the periodic table. Discovered in 1817 by German chemist Friedrich Stromeyer, cadmium has since found various industrial applications despite its known toxicity.

Assessing environmental exposure and health impacts of …

This study represents the first report of a comparison of heavy metal arsenic (As), mercury (Hg), cadmium (Cd), cobalt (Co), copper (Cu), lead (Pb), platinum (Pt), …

Potential health risk of heavy metals in some selected …

Mining in Ghana has been categorized into two; small-scale mining (artisanal mining) and large-scale mining. The small-scale mining in the country has, directly and indirectly, benefited fringe communities in diverse ways. ... Cadmium levels increased in the order of upstream > midstream > downstream with an average …

[PDF] IMPACT OF ILLEGAL MINING ON WATER RESOURCES …

This paper reviews the impact of illegal mining on water resources for irrigation and domestic application in Ghana. It was carried out by reviewing literature and media information as well as interviews and observation of small scale mining activities in mining communities especially illegal mining popularly called galamsey in Ghana. It was …

Arsenic in Gold Mining Wastes: An Environmental and …

Arsenic poses an environmental and human health threat to people in gold mining communities in Ghana. Over the years, limited studies have documented the sources and occurrence of As from gold mining spoils (Table 4.1 ), and these studies have mainly focused on the southwestern mining region of the country.

Effects of small-scale gold mining on heavy metal levels in

The effects of small-scale gold mining activities on heavy metal levels in groundwater were determined for the Lower Pra Basin of Ghana. Sixty five boreholes in 45 communities were analysed between January 2012 and April 2012 for the dry season and June and October 2012 for the wet season. The test for significance and the use of …

Levels of arsenic, mercury, cadmium, copper, lead, zinc

Request PDF | Levels of arsenic, mercury, cadmium, copper, lead, zinc and manganese in serum and whole blood of resident adults from mining and non-mining communities in Ghana | Human beings ...

Cadmium

What happens to Cadmium in the environment? Cadmium is released by various natural and anthropogenic sources to the atmosphere, the aquatic and terrestrial environments, mostly in the form of particles. Cadmium can be released naturally by volcanoes or by the weathering of rocks; it can also come from human activities, namely mining and the …

Levels of Mercury, Cadmium, and Zinc in the Topsoil of …

The Wassa West District of the western region of Ghana is noted for a large deposit of gold ores. As a result, there is a lot of mining activity in the district, which include both legal and illegal miners. A large number of illegal ("galamsey") miners employ mercury in the amalgamation of gold, whereas some of the mining companies use zinc dust (with …

Experts urge regulation to ease effects of illegal mining in Ghana

General News of Saturday, 6 May 2017. Source: Xinhua Experts urge regulation to ease effects of illegal mining in Ghana

Review of Environmental and Health Impacts of Mining in Ghana

History of Mining in Ghana. There is evidence of gold extraction activities in Ghana as far back as the 7th and 8th centuries A.D., as gold deposits attracted Arab traders into the country.7 These activities were strategically located along rivers where sediments believed to contain deposits of gold were washed constantly to separate the …

Arsenic contamination from gold mining and remediation

Request PDF | Arsenic contamination from gold mining and remediation of active and abandoned mine spoils in Ghana | In Ghana, gold mining exists in two major scales- large and small. Despite its ...

Health risk assessment of heavy metals and metalloid in

Surface water in most mining communities in Ghana have become unfit for human consumption due to chemical contamination from gold mining and ... and stored …

Contamination from mercury and other heavy metals in a …

The present study evaluated the contamination from arsenic (As), cadmium (Cd), copper (Cu), mercury (Hg) and lead (Pb) in sediment cores at Bibiani, a historical …

Distribution and Risk Assessment of Heavy Metals in Surface …

One of the biggest contributors to pollution in the Ghanaian environment is mineral mining. In Ghana, both local and foreign investor companies have equal rights …

(PDF) Levels of arsenic, mercury, cadmium, copper, lead, zinc …

Levels of arsenic, mercury, cadmium, copper, lead, zinc and manganese in serum and whole blood of resident adults from mining and non-mining communities in Ghana

Integrated Assessment of Artisanal and Small …

This report is one of three synthesis documents produced via an integrated assessment (IA) that aims to increase understanding of artisanal and small-scale gold mining (ASGM) in Ghana. Given the …

IJERPH | Free Full-Text | Comparative Assessment of Heavy Metals …

The study assessed levels of heavy metals in drinking water sources in two small-scale mining communities (Nangodi and Tinga) in northern Ghana. Seventy-two (72) water samples were collected from boreholes, hand dug wells, dug-out, and a stream in the two mining communities. The levels of mercury (Hg), arsenic (As), lead (Pb), zinc (Zn), …

(PDF) Determination of the Physico-Chemical …

Determination of the Physico-Chemical Properties and Heavy Metal Status of the Tano River along the Catchment of the Ahafo Mine in the Brong-Ahafo Region of Ghana June 2018 DOI: 10.4172/2161 …

Heavy Metal Contamination in Topsoil in Mining-Plagued …

This study forms part of a larger study, "Securing Food and Ecosystem services in Mining plagued regions of Ghana" (NORAD SEFEM Project) which examines how land use can be diversified and harmonized in mining communities in Ghana. The authors are grateful to the Norwegian Agency for Development Cooperation (NORAD) for …

Levels of arsenic, mercury, cadmium, copper, lead, zinc …

Levels of arsenic, mercury, cadmium, copper, lead, zinc and manganese in serum and whole blood of resident adults from mining and non-mining communities in Ghana Environ Sci Pollut Res Int. 2016 Aug;23(16) :16589-97. ... However, in developing countries such as Ghana, limited data on levels of the aforementioned chemicals in whole blood …

Cadmium, Cu, Hg, Sb, Se and Ti contamination in abandoned …

Cadmium, Cu, Hg, Sb, Se and Ti contamination in abandoned and active mining sites in Ghana shows concerns for soil and human health risks - ScienceDirect. …

Full article: Environmental risk assessment of heavy metals

Study area. The "study was conducted in the Prestea-Huni Valley District (PHD) of the Western Region, Ghana (Figure 1).The district is located at 5.472°N, 2.0665° W, and has a land area of about 1,809 km 2, accounting for nearly 7% of the region's total land area.It is bordered on the north by Wassa Amenfi East and Wassa Amenfi Central …

Contamination Levels and Sources of Heavy Metals and a …

In mining contexts, Cd can also be found in the form of the greenockite mineral, cadmium sulfide. Cadmium in soils from the study area may come from the mining and processing of Zn and chalcophilic metals. 22 The presence of Zn in the environment is associated with mining and smelting, which pollutes the air, water and …

Arsenic contamination in abandoned and active gold mine spoils in Ghana

In Ghana, gold mining has resulted in widespread environmental degradation of water, landscape, soil and the ecosystem (Mensah et al., 2015; Owusu et al., 2019). The extraction process of gold is accompanied by generation of huge amount of wastes, among which is the creation of tailing dams and heaps. ... Cadmium-contaminated soil displays ...

Summary of guideline values for mercury (Hg), arsenic (As), cadmium …

For instance, Acid Mine Drainage (AMD) from mining activities has been reported to cause contamination by mercury, cadmium, arsenic, copper, lead, and iron in surface and groundwater in the region ...

Cross-sectional assessment of infants' exposure to toxic

Background: Although breastfeeding of infants is recommended globally, the fact that maternal toxic metal stores are mobilised into breast milk implies infants, whose mothers live and work in mining communities, are at risk of multiple exposure to mining related toxic metals, such as Lead (Pb), Mercury (Hg), Cadmium (Cd) and Arsenic (As), …

Potential health risk of heavy metals in some selected …

Mining in Ghana has been categorized into two; small-scale mining (artisanal mining) and large-scale mining. The small-scale mining in the country has, …

Arsenic contamination in abandoned and active gold mine spoils in Ghana

For instance, large-scale mining (LSM) operations in numerous gold-mining villages in Ghana have also led to the cyanide spill into the ecosystem, abandonment of mine lands, and mobilization of ...

The Impact of Mining on the Water Resources in Ghana: Newmont Case

cadmium and mercury were below the EP A allowable limits. ... For instance, the ban and regulation of mining in Ghana showed that the turbidity levels measured in Rivers Ankobra (553 NTU), Birim ...