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https://www.readbyqxmd.com/read/28742281/structured-identification-of-response-options-to-address-environmental-health-risks-at-the-agbogbloshie-electronic-waste-site
#1
Danielle Cazabon, Julius N Fobil, George Essegbey, Niladri Basu
Electronic waste (E-waste) is a growing problem across low- and middle-income countries. Agbogbloshie (Accra, Ghana) is among the world's largest and most notorious e-waste sites, with an increasing number of studies documenting a range of environmental health risks. This study aimed to provide national, regional, and international stakeholders with a summary of expert opinion on the most pressing problems arising from e-waste activities at Agbogbloshie, as well as suggested solutions to address these problems...
July 25, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28734265/decreased-lung-function-with-mediation-of-blood-parameters-linked-to-e-waste-lead-and-cadmium-exposure-in-preschool-children
#2
Xiang Zeng, Xijin Xu, H Marike Boezen, Judith M Vonk, Weidong Wu, Xia Huo
Blood lead (Pb) and cadmium (Cd) levels have been associated with lower lung function in adults and smokers, but whether this also holds for children from electronic waste (e-waste) recycling areas is still unknown. To investigate the contribution of blood heavy metals and lung function levels, and the relationship among living area, the blood parameter levels, and the lung function levels, a total of 206 preschool children from Guiyu (exposed area), and Haojiang and Xiashan (reference areas) were recruited and required to undergo blood tests and lung function tests during the study period...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28734263/study-of-the-influencing-factors-of-the-blood-levels-of-toxic-elements-in-africans-from-16-countries
#3
Luis Alberto Henríquez-Hernández, Octavio P Luzardo, Luis D Boada, Cristina Carranza, José Luis Pérez Arellano, Ana González-Antuña, Maira Almeida-González, Carlos Barry-Rodríguez, Manuel Zumbado, María Camacho
Africa's economy is growing faster than any other continent and it has been estimated that the middle class in Africa now exceeds 350 million people. This has meant a parallel increase in the importation of consumer goods and in the implementation of communication and information technologies (ICT), but also in the generation of large quantities of e-waste. However, inadequate infrastructure development remains a major constraint to the continent's economic growth and these highly toxic residues are not always adequately managed...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28728354/spatial-assessment-of-potential-ecological-risk-of-soil-heavy-metals-from-informal-e-waste-recycling-in-ghana
#4
Vincent Nartey Kyere, Klaus Greve, Sampson Atiemo, James Hawkins Ephraim
The rapidly increasing annual global volumes and the inherently valuable fractions of e-waste have created an avenue for individuals in Agbogbloshie, Accra, Ghana to make a living by utilizing unconventional, uncontrolled, primitive and crude procedures to recycle and recover valuable metals from these wastes. The current form of recycling procedures releases hazardous fractions such as heavy metals into the soils posing a significant risk to ecology and human health. 132 soil samples based on 100 m grid intervals were collected using handheld GPS and analyzed for Cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), lead (Pb) and zinc (Zn) heavy metals...
July 10, 2017: Environmental Health and Toxicology
https://www.readbyqxmd.com/read/28709043/improvement-effects-of-cytokinin-on-edta-assisted-phytoremediation-and-the-associated-environmental-risks
#5
Jie Luo, Limei Cai, Shihua Qi, Jian Wu, X W Sophie Gu
Soil samples containing excess Cd (0.82 mg kg(-1)), Pb (92.7 mg kg(-1)) and Cu (72.7 mg kg(-1)) relative to their corresponding safe thresholds (0.3, 80 and 50 mg kg(-1), respectively) from a notorious e-waste disposing and recycling place in southern China were phytoremediated with EDTA addition to evaluate the promotion effects of cytokinin on the remediation efficiency of Eucalyptus globulus. Biomass production of the plant, evapotranspiration amount of the soil, metals accumulation in plant organs and the volume of leachate under various treatments were compared...
July 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28697379/efficacy-and-evaluation-of-environmental-management-system-to-control-sandfly-vector-of-kala-azar
#6
D S Dinesh, S Kumari, F Hassan, V Kumar, V P Singh, P Das
The established vector for visceral leishmaniasis, Phlebotomus argentipes (Diptera: Psychodidae) breeds inside the human dwellings and cattle shed under crevices at the base of the wall. P. argentipes was controlled by plastering the base of wall (9″height × 9″base). The study was conducted in two phases: (i) Screening of plastering materials (ii) validation of the most suitable material. During the first phase (2014); four intervention materials were evaluated in four different arms: (i) cement (ii) brick chimney fly ash (BCFA i...
July 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28686921/e-waste-management-and-refurbishment-prediction-emarp-model-for-refurbishment-industries
#7
N G Resmi, K A Fasila
This paper proposes a novel algorithm for establishing a standard methodology to manage and refurbish e-waste called E-waste Management And Refurbishment Prediction (EMARP), which can be adapted by refurbishing industries in order to improve their performance. Waste management, particularly, e-waste management is a serious issue nowadays. Computerization has been into waste management in different ways. Much of the computerization has happened in planning the waste collection, recycling and disposal process and also managing documents and reports related to waste management...
July 4, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28679520/prevalence-and-injury-patterns-among-electronic-waste-workers-in-the-informal-sector-in-nigeria
#8
Chimere May Ohajinwa, Peter M van Bodegom, Martina G Vijver, Adesola O Olumide, Oladele Osibanjo, Willie J G M Peijnenburg
BACKGROUND: Despite the large volume of e-waste recycled informally, the prevalence of work-related injuries among e-waste workers is unknown. Therefore, this study assessed the prevalence, patterns and factors associated with occupational injuries among e-waste workers in the informal sector in Nigeria. METHODS: This cross-sectional study adopted a multistage sampling method to select 279 respondents from three cities (Ibadan, Lagos and Aba) in Nigeria. A questionnaire was used to obtain information on sociodemographics, work practices and injury occurrences from the respondents in 2015...
July 5, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28672702/spatial-distribution-and-implications-to-sources-of-halogenated-flame-retardants-in-riverine-sediments-of-taizhou-an-intense-e-waste-recycling-area-in-eastern-china
#9
Shanshan Zhou, Jie Fu, Huan He, Jianjie Fu, Qiaozhi Tang, Minfeng Dong, Yongqiang Pan, An Li, Weiping Liu, Limin Zhang
Concentrations and spatial distribution pattern of organohalogen flame retardants were investigated in the riverine surface sediments from Taizhou, an intensive e-waste recycling region in China. The analytes were syn- and anti- Dechlorane Plus (DP), Dechloranes 602, 603, and 604, a DP monoadduct, two dechlorinated DPs and 8 congeners of polybrominated diphenyl ethers (PBDEs). The concentrations of Σ8PBDEs, ΣDP, ΣDec600s, and ΣDP-degradates ranged from <100 to 172,000, 100 to 55,000, not detectable (nd) to 1600, and nd to 2800 pg/g dry weight, respectively...
October 2017: Chemosphere
https://www.readbyqxmd.com/read/28670935/genetic-damage-induced-by-electronic-waste-leachates-and-contaminated-underground-water-in-two-prokaryotic-systems
#10
Okunola A Alabi, Adekunle A Bakare
The inappropriate and unsafe management practices related to disposal and recycling of electronic wastes in Nigeria has led to environmental and underground water contamination. Reports on the level and type of contamination as well as the possible DNA damage effects of this contamination are insufficient. This study evaluated the DNA damaging potential of e-waste simulated and raw leachates, and its contaminated underground water using the SOS chromotest on Escherichia coli PQ37 and the Ames Salmonella fluctuation test on Salmonella typhimurium strains TA98 and TA100, without and with metabolic activation...
July 3, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28662843/environmental-impacts-and-benefits-of-state-of-the-art-technologies-for-e-waste-management
#11
Mahdi Ikhlayel
This study aims to evaluate the environmental impacts and benefits of state-of-the-art technologies for proper e-waste handling using Jordan as a case study. Life Cycle Assessment (LCA) was employed to evaluate five advanced management systems represent state-of-the-art treatment technologies, including sanitary landfilling; proper recycling of metals, materials, and precious metals (PMs); and incineration of plastic and the hazardous portion of printed circuit boards (PCBs). Six e-waste products that contribute the most to the e-waste in Jordan were included in the assessment of each scenario, which resulted in 30 total cases of e-waste management...
June 26, 2017: Waste Management
https://www.readbyqxmd.com/read/28646779/polychlorinated-biphenyls-in-the-surrounding-of-an-e-waste-recycling-facility-in-north-rhine-westphalia-levels-in-plants-and-dusts-spatial-distribution-homologue-pattern-and-source-identification-using-the-combination-of-plants-and-wind-direction-data
#12
Marcel Klees, Katja Hombrecher, Dieter Gladtke
During this study the occurrence of polychlorinated biphenyls (PCBs) in the surrounding of an e-waste recycling facility in North-Rhine Westphalia was analysed. PCB levels were analysed in curly kale, spruce needles, street dusts and dusts. Conspicuously high PCB concentrations in curly kale and spruce needles were found directly northwards of the industrial premises. Furthermore a concentration gradient originating from the industrial premises to the residential areas in direction southwest to northeast was evident...
June 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28629970/variation-analysis-of-bacterial-polyhydroxyalkanoates-production-using-saturated-and-unsaturated-hydrocarbons
#13
Saiqa Tufail, Sajida Munir, Nazia Jamil
Polyhydroxyalkanoates (PHA) are efficient, renewable and environment friendly polymeric esters. These polymers are synthesized by a variety of microbes under stress conditions. This study was carried out to check the suitability of waste frying oil in comparison to other oils for economical bioplastic production. Six bacterial strains were isolated and identified as Bacillus cereus (KF270349), Klebsiella pneumoniae (KF270350), Bacillus subtilis (KF270351), Brevibacterium halotolerance (KF270352), Pseudomonas aeruginosa (KF270353), and Stenotrophomonas rhizoposid (KF270354) by ribotyping...
May 29, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28623427/blood-concentrations-of-lead-cadmium-mercury-and-their-association-with-biomarkers-of-dna-oxidative-damage-in-preschool-children-living-in-an-e-waste-recycling-area
#14
Xijin Xu, Weitang Liao, Yucong Lin, Yifeng Dai, Zhihua Shi, Xia Huo
Reactive oxygen species (ROS)-induced DNA damage occurs in heavy metal exposure, but the simultaneous effect on DNA repair is unknown. We investigated the influence of co-exposure of lead (Pb), cadmium (Cd), and mercury (Hg) on 8-hydroxydeoxyguanosine (8-OHdG) and human repair enzyme 8-oxoguanine DNA glycosylase (hOGG1) mRNA levels in exposed children to evaluate the imbalance of DNA damage and repair. Children within the age range of 3-6 years from a primitive electronic waste (e-waste) recycling town were chosen as participants to represent a heavy metal-exposed population...
June 16, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28609845/-away-is-a-place-the-impact-of-electronic-waste-recycling-on-blood-lead-levels-in-ghana
#15
Ebenezer Forkuo Amankwaa, Kwame A Adovor Tsikudo, John Bowman
E-waste recycling remains a major source of livelihood for many urban poor in developing countries, but this economic activity is fraught with significant environmental health risk. Yet, human exposure to the toxic elements associated with e-waste activities remains understudied and not evidently understood. This study investigates the impact of informal e-waste processing on the blood lead levels (BLLs) of e-waste workers and non-e-waste workers (mainly females working in activities that serve the Agbogbloshie e-waste site), and relates their lead exposure to socio-demographic and occupational characteristics...
June 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28589272/heavy-metals-distribution-and-risk-assessment-in-soil-from-an-informal-e-waste-recycling-site-in-lagos-state-nigeria
#16
Khadijah A Isimekhai, Hemda Garelick, John Watt, Diane Purchase
Informal E-waste recycling can pose a risk to human health and the environment which this study endeavours to evaluate. The distribution of a number of heavy metals in soil from an informal recycling site in the largest market for used and new electronics and electrical equipment in West Africa was investigated. The potential bioavailability of heavy metals, extent of contamination, potential risk due to the recycling activities and impact of external factors such as rainfall were also assessed. The concentrations of all the heavy metals tested were higher in the area where burning of the waste occurred than at the control site, suggesting an impact of the recycling activities on the soil...
July 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28579144/e-waste-collection-in-italy-results-from-an-exploratory-analysis
#17
Marinella Favot, Luca Grassetti
This study looks at the performance of household electrical and electronic waste (WEEE) collection in 20 Italian regions from 2008 to 2015. The impact of several explicative variables on the results of e-waste collection is evaluated. The independent variables are socio-economic and demographic ones (age, gender, household size, education level, migration and income) along with technical-organisational variables (population density, presence of metropoles, macro regions, characteristics of the territory, percentage of household waste collected separately and number of e-waste collection points)...
May 31, 2017: Waste Management
https://www.readbyqxmd.com/read/28554111/retrieval-of-au-ag-cu-precious-metals-coupled-with-electric-energy-production-via-an-unconventional-coupled-redox-fuel-cell-reactor
#18
Hui-Min Zhang, Zheng Fan, Wei Xu, Xiao Feng, Zu-Cheng Wu
The recovery of heavy metals from aqueous solutions or e-wastes is of upmost importance. Retrieval of Au, Ag, and Cu with electricity generation through building an ethanol-metal coupled redox fuel cells (CRFCs) is demonstrated. The cell was uniquely assembled on PdNi/C anode the electro-oxidation of ethanol takes place to give electrons and then go through the external circuit reducing metal ions to metallic on the cathode, metals are recovered. Taking an example of removal of 100mgL(-1) gold in 0.5M HAc-NaAc buffer solution as the catholyte, 2...
May 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28549288/ecological-effects-of-soil-properties-and-metal-concentrations-on-the-composition-and-diversity-of-microbial-communities-associated-with-land-use-patterns-in-an-electronic-waste-recycling-region
#19
Wencheng Wu, Changxun Dong, Jiahui Wu, Xiaowen Liu, Yingxin Wu, Xianbin Chen, Shixiao Yu
Soil microbes play vital roles in ecosystem functions, and soil microbial communities may be strongly structured by land use patterns associated with electronic waste (e-waste) recycling activities, which can increase the heavy metal concentration in soils. In this study, a suite of soils from five land use types (paddy field, vegetable field, dry field, forest field, and e-waste recycling site) were collected in Longtang Town, Guangdong Province, South China. Soil physicochemical properties and heavy metal concentrations were measured, and the indigenous microbial assemblages were profiled using 16S rRNA high-throughput sequencing and clone library analyses...
May 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28532622/solid-waste-generation-and-characterization-in-the-university-of-lagos-for-a-sustainable-waste-management
#20
A E Adeniran, A T Nubi, A O Adelopo
Waste characterization is the first step to any successful waste management policy. In this paper, the characterization and the trend of solid waste generated in University of Lagos, Nigeria was carried out using ASTM D5231-92 and Resource Conservation Reservation Authority RCRA Waste Sampling Draft Technical Guidance methods. The recyclable potential of the waste is very high constituting about 75% of the total waste generated. The estimated average daily solid waste generation in Unilag Akoka campus was estimated to be 32...
May 19, 2017: Waste Management
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