The variability of polychlorinated biphenyls levels in urban soils from five European cities

被引：77
作者：
Cachada, A. [1 ,2 ]
Lopes, L. V. [1 ,2 ]
Hursthouse, A. S. [3 ]
Biasioli, M. [4 ]
Grcman, H. [5 ]
Otabbong, E. [6 ]
Davidson, C. M. [7 ]
Duarte, A. C. [1 ,2 ]
机构：
[1] Univ Aveiro, CESAM, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, Dept Chem, P-3810193 Aveiro, Portugal
[3] Univ W Scotland, Sch Sci & Engn, Paisley PA1 2BE, Renfrew, Scotland
[4] Univ Turin, Div Chim Agr, I-10095 Turin, Italy
[5] Univ Ljubljana, Biotehn Fak, Ljubljana 1000, Slovenia
[6] Swedish Univ Agr Sci, Dept Soil Sci, SE-75007 Uppsala, Sweden
[7] Univ Strathclyde, Dept Pure & Appl Chem, WestCHEM, Glasgow G1 1X1, Lanark, Scotland
来源：
ENVIRONMENTAL POLLUTION | 2009年 / 157卷 / 02期
关键词：
Urban soils; Polychlorinated biphenyls; Congener profiles; Source identification; VERTICAL-DISTRIBUTION; CLYDE ESTUARY; HOT-SPOT; CONTAMINATION; PCBS; FRACTIONATION; EXTRACTION; AREAS; UK;
D O I：
10.1016/j.envpol.2008.09.002
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The concentration of PCBs in topsoils from five European cities was assessed and the highest levels were found in Glasgow (Scotland), followed by Torino (Italy), Aveiro (Portugal), Ljubljana (Slovenia) and Uppsala (Sweden). All cities showed the presence of local sources in addition to diffuse contamination from global atmospheric transport. The association of general soil parameters with PCBs in Glasgow and with heavier congeners in Torino and Ljubljana indicates that retention of these compounds is occurring. The profiles obtained resemble Aroclor 1254 and 1260, which are important local sources. Nevertheless, differences in PCB profiles were observed among cities, due to the combined effects of the age of the contamination (which determines the time available for volatilisation and degradation), different sources of PCBs and differences in climate (which influence volatilisation and deposition). (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：511 / 518
页数：8
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