heavy metals in crops from quarry sites in nigeria



Assessment of Heavy Metals Concentration and Enrichment ,, Geochemical investigation of the soils around quarry and barite mine sites in part of Akamkpa and Biase area of Southeastern Nigeria, was carried out to assess the concentration and enrichment levels of some heavy metals and trace elements in the soils The investigation involved the collection of fifteen (15) soil samples between the depth of 15 - 30 cmLaterite, Laterite is both a soil and a rock type rich in iron and aluminum and is commonly considered to have formed in hot and wet tropical areas Nearly all laterites are of rusty-red coloration, because of high iron oxide content They develop by intensive and prolonged weathering of the underlying parent rockTropical weathering (laterization) is a prolonged process of chemical weathering which ,Geoenvironmental assessment of abandoned mines and ,, Oct 01, 2014· Environmental degradation due to abandoned mines and quarries in South-western Nigeria was assessed on the basis of measured physical parameters namely acidity and conductivity and concentrations of heavy metals and other trace elements in collected water and soil samples vis-à-vis minerals mined and site by site basisHeavy metal concentrations in soils, plant leaves and ,, The level of heavy metals (As, Cd, Co, Cu, Fe, Ni, Pb and Zn) in soils, plant leaves and crops from fa rml nds around dumpsites were determined using digestion an d Atomic Absorption Spectrophotometer methods (AAS) Soil and plant samples were collected from farms around the dump sites (sites A and B) and other samples fr om an area where there were no dump sites, which served as con trolEffects of Heavy Metals on the Air Pollution Tolerance ,, Oct 06, 2020· Effects of heavy metals on the Air Pollution Tolerance Indices (APTI) of five medicinal plants growing within quarry site in Ishi-Agu, Ebonyi State, Nigeria were studied Following laboratory analysis of the leaves of the plants for metal load and four biochemical parameters of APTI computation.

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Assessment of Soil Quality Characteristics and Pollution ,, increases the concentration of heavy metals [4] Excessive amount of heavy metals affects soil biological properties and may change its basic physicochemical properti In many developing countries like Nigeria local inhabitants cultivate some vegetables and other crop plants in the vicinity of quarry sites due to scarcity of land forHeavy Metals In Edible Vegetables At Abandoned Solid ,, Heavy metals in soil Statistical analysis of the concentration of heavy metals in the soils (dump sites and control) is presented in Table 1 Table 1:Heavy metals concentration from solid waste dump sites in Eagles island, Eneka and Bundu water side and control sites in Norwan, Ndele and Choba farmlands(Mean ± SD, N=3) As comparedBioaccumulation of the Heavy Metals in Cassava Tubers and ,, Heavy metals have been found in food crops and have a potential health hazards to man through the dietary pathway in Nigeria (Obiajunwa et al, 2001) The Total Petroleum Hydrocarbons (TPH) at Site 1 (area of petroleum activities) was 525199 mg kg -1 while the below detection level was recorded for site 2 (an area of non-petroleum activities)heavy metals in crops from quarry sites in nigeria, The study assessed the concentration of heavy metals in soil and plants around a quarry site in Southwestern Nigeria Sample plots were established in a systematic method along a line transect at increasing distance of 1, 50, 100, 150, 200, 250 , [Chat Online] heavy metals in crops from quarry sites in nigeria MoreImpact Of Quarry Effluent Discharge On Heavy Metal ,, 1,2,3,4,5,, Nigeria) ABSTRACT: Heavy metal, chlorophyll, vitamin and proximate composition of selected vegetables in Ishiagu, Ebonyi State Nigeria as influenced by quarry effluent discharge were screened Fresh samples of vegetables were collected from farms around Ishiagu quarry sit Heavy metals were analyzed using Atomic Absorption.

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EVALUATION OF HEAVY METAL ,, several points to capture the variability of heavy metals in various locations The analysis focused on twelve (12) metals (Pb, Zn, Cu, Cd, Ag, As, Ni, Mo, Sb, Hg, Se, and Te) The heavy metals concentrations in soil were measured at surface and near surface depth and were found to be highest in the soil around the mine areasASSESSMENT OF LEVELS AND HEALTH RISKS OF TRACE METALS ,, Jan 19, 2021· The mean levels of the metals except Mn, Pb and Zn were below the threshold limits for agricultural soils Our data also showed that food crops cultivated around this sites bio-accumulated toxic levels of these metals above the recommended legal limits set by WHO, NAFDAC and CODEX especially Pb, Zn, Cu, Ni, Se, and RbASSESSMENT OF HEAVY METAL CONTAMINATION IN SOIL ,, Heavy metals are currently of much environmental concern They are harmful to humans, animals and are susceptible to bioaccumulation in the food chain Heavy metals may come from many different sources in urban areas Atmospheric pollution is a major contributor to heavy metal contamination in topsoils (Kelly et al, 1996)Original Research Pollution Loads and the Ecological Risk ,, mean concentrations of heavy metals from at least 5 sam-pling sites, and Cref indicates the evaluation criteria values [21] The adopted evaluation criteria for this study was the recommended values for agricultural soil by the Canadian Council of Ministers for the Environment [22], as Nigeria has no stipulated guideline for heavy metals in soilEnvironmental Geochemistry of Igarra Marble Mining ,, The determination of the impacts of marble mining on the environment in Igarra was carried out via the analysis of soil and water samples as geological medium Seven soil samples, ten water samples and five rock samples were collected The samples collected were subjected to petro-graphic and geochemical analysis The mean concentration of metals in soil from Ekpeshi were Cd (3254 mg/kg), Co ,.

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Effects Of Heavy Metals On The Air Pollution Tolerance ,, Effects of heavy metals on the Air Pollution Tolerance Indices (APTI) of five medicinal plants growing within quarry site in Ishi-Agu, Ebonyi State, Nigeria were studied Following laboratory analysis of the leaves of the plants for metal load and four biochemical parameters of APTI computation The metal ,Heavy metals' data in soils for agricultural activities ,, Jun 01, 2018· The data contains the geoexploration and geostatistical analysis of heavy metals in agricultural soils of Odo-Oba, southwestern Nigeria Ten (10) samples were randomly collected for heavy metal analysis Heavy metals are the metallic elements which exhibit relatively high density when compared with the density of waterHeavy metal concentrations in soils, plant leaves and ,, Heavy metal concentrations in soils, plant leaves and crops grown , Heavy metals, soil, crops, dumpsite, farmland , Nigeria The concentrations of metals determined are less than one (Appraising the Physico, Quarrying as a land use is a potential source of water pollution but lack of access to safe drinking water has impelled people to make use of pond water from quarry sit This study investigated the physico-chemical parameters and heavy metals of water samples collected at China quarry site in Ngwogwo Ivo Local Government of Ebonyi State, NigeriaAfrican Journal of Environmental Science and Technology ,, Heavy metal concentration and Physicochemical properties of soil in the lead-zinc mining area of Ishiagu, Nigeria J Biodiver Environ Sci 3(10):61-69 Oluyemi EA, Feuyit G, Onekunle JAO, Ogunfowokan AO (2008) Seasonal variation in heavy metal concentration in soil and some selected crops at a landfill in Nigeria Afr J Environ Sci.

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ENVIRONMENTAL AND HEALTH IMPACTS OF MINING IN ,, for the adsorption of heavy metals from polluted sit In this study, a biosorbent based on zeolite and Penicillium simplicissimumwas was developed to clean up heavy metals from gold mine wastewaters Several chemical processes may be involved in biosorption, including adsorption, ion exchange, co-ordination and covalent bondingUsing plants to clean contaminated soil, Aug 11, 2014· Mercury is one of the most toxic of heavy metals, and once in the soil it is soaked up by grass, which is eaten by cows, which are eaten by , you get the idea Farmers are now growing maize and canola plants in the area, though, which soak up heavy metals quite ,X, metals in dust samples from Umuoghara quarry site Other objectives were to investigate the loads of metallic constituents in the top soil within the vicinity of the quarry site, to compare research results obtained with available data on similar studies done on urban dust composition in neighbouring Nigerian cities and major cities globallyUS CPSC to Exempt Wood from Testing for Heavy Metals | SGS, Jul 27, 2015· The US Consumer Product Safety Commission (CPSC) has recently issued a direct final rule to exempt unfinished and untreated wood in toys from testing for the 8 heavy metals under ASTM F963 The proposed effective date is September 15, 2015A Review of the Health Implications of Heavy Metals in ,, South Examples: green vegetables showed higher concentrations of heavy and trace metals than other crops in Rivers State Hart et al [] posted higher concentrations of Zn, Cd, Pb, Fe, Cu, Cr, Co, and Mn in crops grown in oil-producing areas than those from crops in nonoil-producing areasOkra and cocoyam with 91 mg/kg and 11 mg/kg, respectively, in oil exploration sites in Rivers State.

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Air Quality Assessment in the Vicinity of Quarry Site, metals in soil and vegetation of a quarry site (Bada & Fagbayibgo, 2009) and on the level of suspended particulates in the ambient air and around selected quarry sites (Oguntoke et al, 2009) but much work has not been done on the effect of quarry activities in relation to the emission of greenhouse gases and suspended particulatHuman health risk assessment of heavy metals in soils and ,, May 31, 2018· In view of ensuring healthy agricultural foods for human consumption, this study assessed the human health risk implicated in selected heavy metals in some commonly consumed vegetables, tubers, nuts and fruits grown around the quarry sites at Ishiagu, Ebonyi State, Nigeria Samples from agriculture area of Umudike, Abia State, Nigeria ,Assessment of Heavy Metal Pollution in Soils from Farms in ,, The observed lower levels of these heavy metals in the samples soil could be as a result of leaching of the heavy metals to ground or surface waters caused by low sorption capacity of the soil which can be traced to factors such as soil properties, chemical properties of the heavy metal and nature of rains around the quarry site 32 However ,[PDF] Human health risk assessment of heavy metals in ,, Abstract In view of ensuring healthy agricultural foods for human consumption, this study assessed the human health risk implicated in selected heavy metals in some commonly consumed vegetables, tubers, nuts and fruits grown around the quarry sites at Ishiagu, Ebonyi State, Nigeria Samples from agriculture area of Umudike, Abia State, Nigeria, constituted the controlAppraising the Physico chemical Characteristics and Heavy ,, water has impelled people to make use of pond water from quarry sit This study investigated the physico-chemical parameters and heavy metals of water samples collected at China quarry site in Ngwogwo Ivo Local Government of Ebonyi State, Nigeria The concentrations of Cd (001±000 to 002±000 mg/l), Pb (670±078 to 787±108 mg/l), Ni ,.

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