Seasonal variations of organophosphate esters (OPEs) in atmospheric deposition, and their contribution to soil loading

Organophosphate esters (OPEs) are ubiquitous in surface soil, and atmospheric deposition is considered to be the major pollution source. However, the research on the environmental transport behaviors of OPEs between atmospheric deposition and soil is very limited. In this study, we investigated the...

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Bibliographic Details
Published in:Journal of hazardous materials 2024-08, Vol.475, p.134845, Article 134845
Main Authors: Gong, Shuai, Huang, Jianan, Wang, Jun, Lv, Mingchao, Deng, Yirong, Su, Guanyong
Format: Article
Language:English
Subjects:
Atmospheric deposition
Input fluxes
Organophosphate esters
Seasonal variations
Surface soil
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Summary:Organophosphate esters (OPEs) are ubiquitous in surface soil, and atmospheric deposition is considered to be the major pollution source. However, the research on the environmental transport behaviors of OPEs between atmospheric deposition and soil is very limited. In this study, we investigated the contamination levels and seasonal variations of OPEs in atmospheric deposition samples (n = 33) collected from an area of South China every month between February 2021 and January 2022, and evaluated the contribution of OPEs in atmospheric deposition to soil. The concentrations of ∑21target-OPEs ranged from 3670 to 18,600 ng/g dry weight (dw), with a mean of 8200 ng/g dw (median: 7600 ng/g dw). ∑21target-OPEs concentrations in all atmospheric deposition samples exhibited significant seasonal differences (p 
ISSN:0304-3894
1873-3336
1873-3336
DOI:10.1016/j.jhazmat.2024.134845