Size-dependent distribution and inhalation cancer risk of particle-bound polycyclic aromatic hydrocarbons at a typical e-waste recycling and an urban site

被引：60

作者：

Luo, Pei ^{[1
,4
]}

Bao, Lian-Jun ^{[1
]}

Li, Shao-Meng ^{[3
]}

Zeng, Eddy Y. ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China

[2] Jinan Univ, Sch Environm, Guangzhou 510632, Guangdong, Peoples R China

[3] Environm Canada, Air Qual Res Div, Toronto, ON M3H 5T4, Canada

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

ENVIRONMENTAL POLLUTION | 2015年 / 200卷

基金：

中国国家自然科学基金;

关键词：

Particle size distribution; Polycyclic aromatic hydrocarbons; Atmospheric deposition; Cancer risk; POLYBROMINATED DIPHENYL ETHERS; DRY DEPOSITION; AIR-POLLUTION; ATMOSPHERIC DEPOSITION; ELECTRONIC-WASTE; GREAT-LAKES; EXPOSURE; PAHS; GUANGZHOU; WET;

D O I：

10.1016/j.envpol.2015.02.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Atmospheric particle size distribution of polycyclic aromatic hydrocarbons (PAHs) in a typical e-waste recycling zone and an urban site (Guangzhou) in southern China featured a unimodal peak in 0.56 -1.8 mu m for 4-6 ring PAHs but no obvious peak for 2-3 ring PAHs at both sites. The atmospheric deposition fluxes of PAHs were estimated at 5.4 +/- 2.3 mu g m(-2) d(-1) in the e-waste recycling zone and 3.1 +/- 0.6 mu g m(-2) d(-1) in Guangzhou. In addition, dry and wet deposition fluxes of PAHs were dominated by coarse (D-p > 1.8 mu m) and fine particles (D-p < 1.8 mu m), respectively. Fine particles predominated the deposition of PAHs in the lung. The results estimated by incremental inhalation cancer risk suggested that particle-bound PAHs posed serious threat to human health within the e-waste recycling zone and Guangzhou. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：10 / 15

页数：6

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