Atmospheric polychlorinated biphenyls in Indian cities: Levels, emission sources and toxicity equivalents

被引：56
作者：
Chakraborty, Paromita [1 ,2 ]
Zhang, Gan [1 ]
Eckhardt, Sabine [3 ]
Li, Jun [1 ]
Breivik, Knut [3 ,4 ]
Lam, Paul K. S. [5 ]
Tanabe, Shinsuke [6 ]
Jones, Kevin C. [7 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
[2] SRM Univ, SRM Res Inst, Kattankulathur, Tamil Nadu, India
[3] Norwegian Inst Air Res, NO-2027 Kjeller, Norway
[4] Univ Oslo, Dept Chem, NO-0315 Oslo, Norway
[5] City Univ Hong Kong, Dept Biol & Chem, State Key Lab Marine Pollut, Hong Kong, Hong Kong, Peoples R China
[6] Ehime Univ, Ctr Marine Environm Studies, Matsuyama, Ehime 7908577, Japan
[7] Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England
来源：
ENVIRONMENTAL POLLUTION | 2013年 / 182卷
关键词：
Polychlorinated biphenyls; Air; India; FLEXPART; HYSPLIT; Toxicity equivalents; PERSISTENT ORGANIC POLLUTANTS; POLYBROMINATED DIPHENYL ETHERS; PCB CONGENERS; ORGANOCHLORINE PESTICIDES; HUMAN EXPOSURE; DUMPING SITE; AMBIENT AIR; DIOXIN; REEVALUATION; ENVIRONMENT;
D O I：
10.1016/j.envpol.2013.07.032
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Atmospheric concentration of Polychlorinated biphenyls (PCBs) were measured on diurnal basis by active air sampling during Dec 2006 to Feb 2007 in seven major cities from the northern (New Delhi and Agra), eastern (Kolkata), western (Mumbai and Goa) and southern (Chennai and Bangalore) parts of India. Average concentration of Sigma(25)PCBs in the Indian atmosphere was 4460 (+/-2200) pg/m(-3) with a dominance of congeners with 4-7 chlorine atoms. Model results (HYSPLIT, FLEXPART) indicate that the source areas are likely confined to local or regional proximity. Results from the FLEXPART model show that existing emission inventories cannot explain the high concentrations observed for PCB-28. Electronic waste, ship breaking activities and dumped solid waste are attributed as the possible sources of PCBs in India. Sigma 25PCB concentrations for each city showed significant linear correlation with Toxicity equivalence (TEQ) and Neurotoxic equivalence (NEQ) values. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：283 / 290
页数：8
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