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CLC number: X51

On-line Access: 2011-06-27

Received: 2010-11-02

Revision Accepted: 2011-04-28

Crosschecked: 2011-09-08

Cited: 5

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.10 P.794-806

http://doi.org/10.1631/jzus.A11b0381


Evaluating population exposure to N, N-dimethylformamide in a small industrial area accounting for population movement


Author(s):  Yu-mei Wei, Wei-li Tian, Qing-yu Zhang, Ying-yue Zheng, Yi-ke Yang, Zu-cheng Wu, Qi Zhu, Lei Zhou, Si-mai Fang

Affiliation(s):  Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   qy_zhang@zju.edu.cn

Key Words:  Volatile organic compound, Dispersion model, Concentration distribution, Movement characteristics, Longwan


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Yu-mei Wei, Wei-li Tian, Qing-yu Zhang, Ying-yue Zheng, Yi-ke Yang, Zu-cheng Wu, Qi Zhu, Lei Zhou, Si-mai Fang. Evaluating population exposure to N, N-dimethylformamide in a small industrial area accounting for population movement[J]. Journal of Zhejiang University Science A, 2011, 12(10): 794-806.

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author="Yu-mei Wei, Wei-li Tian, Qing-yu Zhang, Ying-yue Zheng, Yi-ke Yang, Zu-cheng Wu, Qi Zhu, Lei Zhou, Si-mai Fang",
journal="Journal of Zhejiang University Science A",
volume="12",
number="10",
pages="794-806",
year="2011",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A11b0381"
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%T Evaluating population exposure to N, N-dimethylformamide in a small industrial area accounting for population movement
%A Yu-mei Wei
%A Wei-li Tian
%A Qing-yu Zhang
%A Ying-yue Zheng
%A Yi-ke Yang
%A Zu-cheng Wu
%A Qi Zhu
%A Lei Zhou
%A Si-mai Fang
%J Journal of Zhejiang University SCIENCE A
%V 12
%N 10
%P 794-806
%@ 1673-565X
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A11b0381

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T1 - Evaluating population exposure to N, N-dimethylformamide in a small industrial area accounting for population movement
A1 - Yu-mei Wei
A1 - Wei-li Tian
A1 - Qing-yu Zhang
A1 - Ying-yue Zheng
A1 - Yi-ke Yang
A1 - Zu-cheng Wu
A1 - Qi Zhu
A1 - Lei Zhou
A1 - Si-mai Fang
J0 - Journal of Zhejiang University Science A
VL - 12
IS - 10
SP - 794
EP - 806
%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A11b0381


Abstract: 
Population exposure to pollutants is important for studies on the exposure-response relationship. However, it is difficult to evaluate population exposure to non-conventional pollutants due to limited data on concentration levels and the movement patterns of inhabitants. In this study, an air dispersion model was used to simulate N, N-dimethylformamide (DMF) concentrations, as a proxy to monitoring concentrations. A total of 1289 randomly selected household representatives were surveyed to obtain information on movement characteristics. Subsequently, population movement patterns were combined with DMF concentration levels on maps of 100 m×100 m resolution to calculate population exposure. During 2008, the estimated population exposure to DMF ranged from 0.002 to 0.64 mg/m3. The highest level of population exposure to DMF was found in the north and northwest sub-districts of the study area, ranging from 0.42 to 0.64 mg/m3. The population exposure to DMF for different occupational groups indicated that retired people and farmers were vulnerable subpopulations among people highly exposed to DMF. This was mainly because they spent most time at home where the DMF concentration was high. As pollutant concentrations were divided into small grids, we found that exposure levels were substantially impacted by population movement characteristics.

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