Polybrominated diphenyl ethers from automobile microenvironment: Occurrence, sources, and exposure assessment

被引：14

作者：

Jin, Mantong ^{[1
]}

Zhang, Shunfei ^{[1
]}

He, Jiaqi ^{[1
]}

Lu, Zhuhao ^{[1
]}

Zhou, Shanshan ^{[1
]}

Ye, Nanxi ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Coll Environm, Hangzhou 310014, Peoples R China

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2021年 / 781卷

基金：

中国国家自然科学基金;

关键词：

Polybrominated diphenyl ethers; Car microenvironments; Human exposure; Dust; Air; BROMINATED FLAME RETARDANTS; HEALTH-RISK ASSESSMENT; INDOOR AIR; DIETARY EXPOSURE; SEWAGE-SLUDGE; CAR DUST; PBDES; EMISSIONS; IDENTIFICATION; PARTICULATE;

D O I：

10.1016/j.scitotenv.2021.146658

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

To investigate the level of polybrominated diphenyl ether (PBDE) contamination in the automobile microenvironment, air and dust samples were collected from 15 family automobiles in Hangzhou City, China. The PBDE concentrations, distribution of congeners, and human exposure were determined; and the content and distribution of PBDEs in automotive interior materials were analyzed. The results revealed that the average and median concentrations of Sigma 14PBDEs in the air in automobiles were 732 and 695 pg/m(3), respectively, whereas those in automotive dust were 4913 and 5094 ng/g, respectively. Decabromodiphenyl ether (BDE-209) had the highest proportion, accounting for 61.3% and 88.8% of the Sigma 14PBDEs in the air and dust, respectively. The potential primary sources of PBDEs in automobile air and dust were volatile polyurethanes in seat covers and foot pads, respectively. Human exposure calculations revealed that infants and toddlers in cars were most exposed to air and dust, respectively. BDE-47 and -99 were the primary sources of health risks related to air and dust in cars. (C) 2021 Elsevier B.V. All rights reserved.

引用

页数：8

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