Occurrence and dry deposition of organophosphate esters in atmospheric particles above the Bohai Sea and northern Yellow Sea, China. (15th January 2022)

• Record Type: Journal Article
• Authors: Wu, Jinhao; Zhang, Yufeng; Song, Lun; Yang, Meng; Liu, Xing; Yu, Jianghua; Liang, Guizhu; Zhang, Yimin
• Is Part Of: Atmospheric environment. Volume 269(2022)
• Publication Date: 2022-01-15
• Subjects: Organophosphate eaters -- Dry deposition -- Particles -- Contamination -- Bohai Sea and northern Yellow Sea; Air -- Pollution -- Periodicals; Air -- Pollution -- Meteorological aspects -- Periodicals; 551.51
• DOI: 10.1016/j.atmosenv.2021.118831
• Languages: English
• ISSNs: 1352-2310

Abstract

Abstract: Levels of eleven organophosphate esters (OPEs) were measured in particle phase atmospheric samples collected at Bohai Sea and northern Yellow Sea in China. The concentration of ∑11 OPEs in atmospheric particles ranged from 426 to 3933 pg/m 3, with the mean concentration of 1412 pg/m 3 . Tris(1-chloro-2-propyl) phosphate (TCPP) and triphenyl-phosphine oxide (TPPO) were the most abundant OPE congeners measured, and the individual concentrations of trimethyl phosphate (TMP), tri-iso-butyl phosphate (TiBP), tri-n-butyl phosphate (TnBP), tris(1, 3-dichloro-2-propyl) phosphate (TDCP), triphenyl phosphate (TPhP), 2-ethylhexyl diphenyl phosphate (EHDPP), TPPO and tri-m-cresyl phosphate (TMTP) in atmospheric particles above the Bohai Sea were higher than those above the northern Yellow Sea. The estimated atmospheric dry deposition fluxes ranged from 202 to 1869 ng/m 2 /day. Up to 18.3 ± 12.5 ton/year of OPEs can be loaded to the Bohai Sea. Highlights: Levels of Σ11 OPEs ranged from 426 to 3933 pg/m 3 in the atmospheric particles of the Bohai Sea and northern Yellow Sea. TCPP was the dominant OPEs in the atmospheric particles of the Bohai Sea and northern Yellow Sea. The composition of OPEs in the Bohai Sea was different from that of the northern Yellow Sea. Up to ∼18 ton/year of OPEs can be loaded to the Bohai Sea.