Impact of informal electronic waste recycling on metal concentrations in soils and dusts

Abstract

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Health Risks of Polybrominated Diphenyl Ethers (PBDEs) and Metals at Informal Electronic Waste Recycling Sites

“…The methods employed in this study have been well detailed in our previous studies [8,16,35,36]. In brief, a cross-sectional study design was adopted to gain an understanding of the pollution levels at the e -waste recycling sites in the three study locationsin Nigeria: Ibadan, Lagos, and Aba.…”

“…High concentrations of metals and PBDEs were found at and around informal e -waste recycling sites [35,36,37,38,39,40]. Large quantities of e -waste are informally recycled in Nigeria using various recycling activities such as repair, dismantling, and open burning [41].…”

Global occurrence, chemical properties, and ecological impacts of e-wastes (IUPAC Technical Report)

“…The highest levels of metals were detected in soils from the Agbogloshie e-waste processing site, as well as neighbouring residential, recreational, farming, and commercial areas [97], with the highest level found in the area where waste burning occurs. Isimekhai et al [93] and Ohajinwa et al [98] also found an increase in metals levels at ewaste recycling sites in Nigeria, which was dependent on the type/intensity of the recycling activity. Metal levels increased from the repair sites to dismantling sites and the highest levels were detected in the burning sites.…”

Hydrophobic Organic Pollutants in Soils and Dusts at Electronic Waste Recycling Sites: Occurrence and Possible Impacts of Polybrominated Diphenyl Ethers

“…The methods employed in this study have been well detailed in our previous studies [32]. In brief, this study was conducted in three study locations/cities in Nigeria as depicted in the map as A,B,C, which are Ibadan, Aba, and Lagos respectively.…”

“…Figure 2 presents a schematic flow diagram of the sample collection from the various e-waste sites in the three study locations. In the previous study by Ohajinwa et al [32] which was on metal pollution at the same sites, a total of 62 samples. While for this study, a total of 56 samples consisting of 16 top soils (0–10 cm), 29 floor dust, five roadside dust, and six direct dust samples (collected from the inside and outside of electronic devices) were analysed.…”