title: The assessment of source attribution of soil pollution in a typical e-waste recycling town and its surrounding regions using the combined organic and inorganic dataset.
abstract: Guiyu is a well-known electronic waste dismantling and recycling town in south China. Concentrations and distribution of the 21 mineral elements and 16 polycyclic aromatic hydrocarbons (PAHs) collected there were evaluated. Principal component analyses (PCA) applied to the data matrix of PAHs in the soil extracted three major factors explaining 85.7% of the total variability identified as traffic emission, coal combustion, and an unidentified source. By using metallic or metalloid element concentrations as variables, five principal components (PCs) were identified and accounted for 70.4% of the information included in the initial data matrix, which can be denoted as e-waste dismantling-related contamination, two different geological origins, anthropogenic influenced source, and marine aerosols. Combining the 21 metallic and metalloid element datasets with the 16 PAH concentrations can narrow down the coarse source and decrease the unidentified contribution to soil in the present study and therefore effectively assists the source identification process.
authors.affiliation: China University of Geosciences, Wuhan, 430074, China. gchero1216@hotmail.com.|Guangdong Hydrogeology Battalion, Guangzhou, 510510, China. gchero1216@hotmail.com.
authors.forename: Jie
authors.initials: J
authors.lastname: Luo
authors.affiliation: China University of Geosciences, Wuhan, 430074, China.
authors.forename: Shihua
authors.initials: S
authors.lastname: Qi
authors.affiliation: Guangdong Hydrogeology Battalion, Guangzhou, 510510, China.
authors.forename: Xianming
authors.initials: X
authors.lastname: Xie
authors.affiliation: The University of Melbourne, Melbourne, VIC, 3010, Australia.
authors.forename: X W Sophie
authors.initials: XW
authors.lastname: Gu
authors.affiliation: Guangdong Hydrogeology Battalion, Guangzhou, 510510, China.
authors.forename: Jinji
authors.initials: J
authors.lastname: Wang
mesh_terms: D002681:China; D003031:Coal; D059029:Electronic Waste; D004784:Environmental Monitoring; D011084:Polycyclic Aromatic Hydrocarbons; D059027:Recycling; D012987:Soil; D012989:Soil Pollutants
chemical_list: D003031:Coal; D011084:Polycyclic Aromatic Hydrocarbons; D012987:Soil; D012989:Soil Pollutants
keywords: Heavy metal; Polycyclic aromatic hydrocarbons; Principal component analysis; Soil; Source apportionment