Levels of Polychlorinated Dibenzo-P-Dioxins (PCDDs) and Polychlorinated Dibenzo-P-Furans (PCDFs) in the Atmosphere (PM10) of a Coastal Area of West Bengal, India

被引：0
|
作者：
Kumar, Bhupander [1 ]
Kumar, Sanjay [1 ]
Mukherjee, D. P. [2 ]
Sharma, C. S. [1 ]
机构：
[1] Cent Pollut Control Board, Natl Reference Trace Organ Lab, Delhi 110032, India
[2] Cent Pollut Control Board, Kolkata, India
来源：
HUMAN AND ECOLOGICAL RISK ASSESSMENT | 2012年 / 18卷 / 06期
关键词：
PCDD/Fs; ambient air; rural coastal area; health risk assessment; India; ENVIRONMENT; PCDD/PCDF;
D O I：
10.1080/10807039.2012.702613
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
Particle-bound polychlorinated dibenzo-p-dioxins and dibenzo-p-furans (PCDDs/Fs) were analyzed in the coastal air of West Bengal, India. Total PCDD/Fs ranged from 4-2491 fg m(-3) with a mean of 355 fg m(-3) and their I-TEQ values ranged between 1 to 62.6 fg I-TEQ m(-3), with an average of 17.1 fg I-TEQm(-3). The dominant congeners were OCDD (46%) OCDF (14%) 1,2,3,4,6,7,8-HpCDF (11%) and 1,2,3,4,6,7,8-HpCDD (10%) and accounted for >80% to the total PCDDs/Fs. TCDD (29%) > PeCDF (28%) > HxCDF (16%) > PeCDD (13%) were the dominant TEQ contributors. Rough estimates of tolerable daily intake (TDI) show a low health risk of exposure to PCDD/Fs measured in the ambient air of a rural coastal area of West Bengal, India.
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页码：1307 / 1314
页数：8
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