Effects of oil pipeline explosion on ambient particulate matter and their associated polycyclic aromatic hydrocarbons

被引：13
作者：
Zhao, Yue [1 ,2 ]
Cao, Lixin [3 ,4 ]
Zhou, Qing [3 ,4 ]
Que, Qiming [2 ]
Hong, Bo [1 ,2 ]
机构：
[1] Minist Educ, Key Lab Marine Environm & Ecol, Qingdao 266100, Peoples R China
[2] Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
[3] State Ocean Adm, Key Lab Marine Spill Oil Identificat & Damage Ass, Qingdao 266061, Peoples R China
[4] State Ocean Adm, Environm Monitoring Ctr, North China Sea Branch, Qingdao 266061, Peoples R China
来源：
ENVIRONMENTAL POLLUTION | 2015年 / 196卷
基金：
中国国家自然科学基金;
关键词：
Oil pipeline explosion; Particulate matter; Polycyclic aromatic hydrocarbon; Substituted compound; Toxicity; SOURCE APPORTIONMENT; GAS-CHROMATOGRAPHY; MASS-SPECTROMETRY; AIR-POLLUTION; SAO-PAULO; CRUDE-OIL; PAHS; URBAN; PM2.5; NITRO;
D O I：
10.1016/j.envpol.2014.11.012
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Effects of the oil pipeline explosion on PM2.5-associated polycyclic aromatic hydrocarbons (PAHs) and their substituted (alkylated, nitrated, oxygenated, hydroxyl and chlorinated) derivatives are assessed near the accident scene of Qingdao, China. Compared with those in TSP-PM2.5, gaseous phase, burn residue and unburned crude oil, eighty-nine PAHs in PM2.5 are identified and quantified to investigate the composition, temporal and spatial distribution, and sources. The concentrations of PM2.5-associated parent PAHs increase approximately seven times from the non-explosion samples to the explosion samples (mean +/- standard deviation: 112 +/- 2 vs 764 +/- 15 ng/m(3)), while some substituted products (nitro- and oxy-) increase by two orders of magnitude (3117 +/- 156 pg/m(3) vs 740 +/- 37 ng/m(3)). The toxicity evaluation indicates the BaP equivalent concentrations (based on the US EPA's toxicity factors) in PM2.5 are much higher than those in the other phases, especially for a long duration after the tragic accident. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：440 / 449
页数：10
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