Spatio-temporal variations of atmospheric and soil polybrominated diphenyl ethers (PBDEs) in highly industrialized region of Dilovasi

The Science of the Total Environment
Banu CetinMustafa Odabasi

Abstract

Polybrominated diphenyl ethers (PBDEs) were investigated in ambient air of a highly industrialized region at 23 different sampling sites for 12 months. Total concentrations of 8 PBDE congeners (Σ8PBDE) were found to be between 5.73 and 520 pg m-3 (94.7 ± 78.9; average ± SD) and BDE-209 was the predominant congener, followed by BDE-47 and/or BDE-99. Their contributions to Σ8PBDE were 71 ± 13, 9 ± 4% and 8 ± 4%; respectively. Compared to previous studies around the world, high concentrations detected in Dilovasi demonstrated the severity of atmospheric PBDE pollution in the area. For all sampling sites, average PBDE concentration obtained in summer (118.5 ± 98.7 pg m-3) was higher than one found in winter period (79.7 ± 59.1 pg m-3) and this seasonal difference was more obvious in industrial/urban sites (p < 0.05), probably due to enhanced volatilization from ongoing PBDE sources such as waste incineration and iron-steel plants. The soil-air exchange tendencies of PBDEs did not show substantial differences between the sampling periods with small variations for each congener. All congeners either tend to deposit to soil or to be within the equilibrium range for all seasons. This reflects the impact of local ongoing sources rather ...Continue Reading

Citations

Jul 5, 2019·Environmental Science and Pollution Research International·Zhineng WuYingying Wang
Jan 15, 2020·Environmental Science and Pollution Research International·Darija KlinčićSnježana Herceg Romanić
Nov 27, 2020·Bulletin of Environmental Contamination and Toxicology·Chunnian DaLong Zhang
Jan 9, 2021·Journal of Hazardous Materials·Hua DengHuahong Shi

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