Assessment of Non-cancerous Health Risk from Exposure to Hg, As and Cd by Resident Children and Adults in Nangodi in the Upper East Region, Ghana

Cobbina, Samuel Jerry; Dagben, Justice Z.; Obiri, Samuel; Tom-Dery, Damian

doi:10.1007/s12403-012-0059-x

Cited by 15 publications

(11 citation statements)

References 22 publications

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“…Hence, they stand high risk of showing symptoms of non-cancer related diseases. Such results compare well with work done by Armah et al (2012), Cobbina et al (2012), Pokkamthanam (2011) andObiri (2010).…”

Section: Non-cancerous Health Risk Assessmentsupporting

confidence: 89%

Non-cancer risk assessment from exposure to mercury (Hg), cadmium (Cd), arsenic (As), copper (Cu) and lead (Pb) in boreholes and surface water in Tinga, in the Bole-Bamboi District, Ghana

Cobbina¹

2013

J. Toxicol. Environ. Health Sci.

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The study assessed non-cancer human health risk from exposure to mecury (Hg), cadmium (Cd), arsenic (As), copper (Cu), and lead (Pb) in surface and groundwater in Tinga, in the Bole-Bamboi District. A total of 42 water samples were collected for a period of six months. Mean concentration of Hg, Cd, and Pb were found to be (0.050 ± 0.04 mg/L), (0.031 ± 0.02 mg/L) and (0.07 ± 0.05 mg/L), respectively. These were all above the World Health Organization (WHO) recommended guideline values for drinking water. Non-cancer human health risk as a result of exposure to Hg and Cd through ingestion of borehole water was found to be high. Hazard quotients (HQ) as a result of exposure to mercury for adults and children ranged from 2.5 to 30 through central tendency exposure (CTE) and 4.6 to 60 through reasonable maximum exposure (RME). For Cd, CTE ranged from 0.96 to 2.7 and RME ranged from 1.8 to 5.4. The HQ for exposure to Hg and Cd through ingestion of ground water exceeded the acceptable United States Environmental Protection Agency (USEPA) value of 1.0. This implies that resident children and adults are likely to develop diseases (such as low intelligent quotient, tremor, kidney failure, increased hypertension and cardiovascular diseases) associated with long term exposure to Hg and Cd.

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Section: Non-cancerous Health Risk Assessmentsupporting

confidence: 89%

Non-cancer risk assessment from exposure to mercury (Hg), cadmium (Cd), arsenic (As), copper (Cu) and lead (Pb) in boreholes and surface water in Tinga, in the Bole-Bamboi District, Ghana

Cobbina¹

2013

J. Toxicol. Environ. Health Sci.

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“…Mean Hg levels in drinking water sources in both study areas were above World Health Organization (WHO) [ 29 ] permissible limit of 0.010 mg/L for drinking water ( Table 2 ). Earlier studies conducted in the Nangodi catchment reported Hg concentrations that ranged from below detection limits to 0.190 mg/L [ 30 ] and also in Datuku, Hg levels ranging from 0.0002 mg/L to 0.020 mg/L were recorded [ 31 ]. Another study in Tinga reported Hg concentrations ranging from 0.010 to 0.230 mg/L [ 32 ].…”

Section: Resultsmentioning

confidence: 99%

“…Samples from Tinga ranged from 0.001 to 0.003 mg/L with a mean concentration of 0.002 ± 0.001 mg/L ( Table 2 ) for arsenic, which were within the WHO permissible limit of 0.010 mg/L for drinking water [ 29 ]. Earlier, studies conducted in the Nangodi catchment reported As concentrations that ranged from below detection limits to 0.120 mg/L [ 30 ] and in Datuku As concentrations ranging from 0.002 mg/L to 0.004 mg/L were reported [ 31 ]. Asamoah-Boateng [ 33 ] reported As concentration that ranged from 0.010 to 0.090 mg/L from surface water samples in Newmont Ghana gold mining concession areas.…”

Section: Resultsmentioning

confidence: 99%

“…A similar study conducted in artisanal gold mining communities within the Kibi traditional area, Ghana, reported mean values of cadmium in river water at Apapam, Bunso, Kibi-Deaf, and Obronikrom as 0.006, 0.008, 0.008, and 0.010 mg/L, respectively [ 33 ]. Earlier study in Nangodi catchment reported Cd concentrations that ranged from below detection limit to 0.223 mg/L [ 30 ] and in Datuku, Cd concentrations ranged from below detection limits to 1.700 mg/L [ 31 ]. Additionally, an earlier study in Tinga reported Cd concentration that ranged from 0.002 to 0.103 mg/L [ 32 ].…”

Section: Resultsmentioning

confidence: 99%

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Comparative Assessment of Heavy Metals in Drinking Water Sources in Two Small-Scale Mining Communities in Northern Ghana

Cobbina

Duwiejuah

Quansah

et al. 2015

IJERPH

Self Cite

127

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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), and cadmium (Cd) were determined using an atomic absorption spectrophotometer (AAS). Mean levels (mg/l) of heavy metals in water samples from Nangodi and Tinga communities were 0.038 and 0.064 (Hg), 0.031 and 0.002 (As), 0.250 and 0.031 (Pb), 0.034 and 0.002 (Zn), and 0.534 and 0.023 (Cd), respectively, for each community. Generally, levels of Hg, As, Pb, Zn, and Cd in water from Nangodi exceeded the World Health Organisation (WHO) stipulated limits of 0.010 for Hg, As, and Pb, 3.0 for Zn and 0.003 for Cd for drinking water, and levels of Hg, Pb, and Cd recorded in Tinga, exceeded the stipulated WHO limits. Ingestion of water, containing elevated levels of Hg, As, and Cd by residents in these mining communities may pose significant health risks. Continuous monitoring of the quality of drinking water sources in these two communities is recommended.

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“…Several studies have also focused on measuring arsenic (As), cadmium (Cd), copper (Cu), manganese (Mn), and lead (Pb) concentrations in soil, water, fish, biomarkers, sediment, and food crops such as cassava [ 56 , 57 , 58 , 59 ]. This review focuses on arsenic, cadmium, and lead, which were most widely studied in ecological media.…”

Section: An Assessment Of the Ecological Health Issuesmentioning

confidence: 99%

Integrated Assessment of Artisanal and Small-Scale Gold Mining in Ghana—Part 2: Natural Sciences Review

Rajaee

Obiri

Green

et al. 2015

IJERPH

Self Cite

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This paper 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 complexities surrounding ASGM, an integrated assessment (IA) framework was utilized to analyze socio-economic, health, and environmental data, and co-develop evidence-based responses with stakeholders. This paper focuses on the causes, status, trends, and consequences of ecological issues related to ASGM activity in Ghana. It reviews dozens of studies and thousands of samples to document evidence of heavy metals contamination in ecological media across Ghana. Soil and water mercury concentrations were generally lower than guideline values, but sediment mercury concentrations surpassed guideline values in 64% of samples. Arsenic, cadmium, and lead exceeded guideline values in 67%, 17%, and 24% of water samples, respectively. Other water quality parameters near ASGM sites show impairment, with some samples exceeding guidelines for acidity, turbidity, and nitrates. Additional ASGM-related stressors on environmental quality and ecosystem services include deforestation, land degradation, biodiversity loss, legacy contamination, and potential linkages to climate change. Though more research is needed to further elucidate the long-term impacts of ASGM on the environment, the plausible consequences of ecological damages should guide policies and actions to address the unique challenges posed by ASGM.

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Assessment of Non-cancerous Health Risk from Exposure to Hg, As and Cd by Resident Children and Adults in Nangodi in the Upper East Region, Ghana

Cited by 15 publications

References 22 publications

Non-cancer risk assessment from exposure to mercury (Hg), cadmium (Cd), arsenic (As), copper (Cu) and lead (Pb) in boreholes and surface water in Tinga, in the Bole-Bamboi District, Ghana

Non-cancer risk assessment from exposure to mercury (Hg), cadmium (Cd), arsenic (As), copper (Cu) and lead (Pb) in boreholes and surface water in Tinga, in the Bole-Bamboi District, Ghana

Comparative Assessment of Heavy Metals in Drinking Water Sources in Two Small-Scale Mining Communities in Northern Ghana

Integrated Assessment of Artisanal and Small-Scale Gold Mining in Ghana—Part 2: Natural Sciences Review

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