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《Journal of Safety and Environment》 2008-06
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Source apportionment of atmospheric particulate with an area in Wuhan City by using CMB receptor model and factor analysis

SUN Ling-li1,LONG Tao2,LONG Yi-fei3,HOU Qi-zong4(1 Institute of Seismology,China Earthquake Administration,Wuhan 430071,China; 2 School of Computer Science and Technology,Huazhong University of Science and Technology,Wuhan 430074,China; 3 Department of Environmental Engineering,City College,Wuhan University of Science and Technology,Wuhan 430083,China; 4 Resource & Environmental Engineering College,Wuhan University of Technology,Wuhan 430070,China)  
The present article is aimed at introducing its authors' investigation and measurement of the total 14 suspended particles(TSP) and four kinds of pollution sources (including traffic dust,soil dust,building material dust and coal-smoking dust) in a certain area of Wuhan City. In the present research,we have applied the EPA-CMB 8.2 receptor model and factor analysis method to the analysis of the related data and calculated the TSP-element-constituent database in the area in hoping to make clear all the contributors and their respective rates to the local air pollution. The results of our investigation and measurement demonstrate that:in area A,the main contaminants to TSP are soil dust (54.09%),traffic dust (30.47%) and coal smoke dust (9.33%) while in area B they are soil dust (41.65%) and building material dust (19.05%). In order to analyze the TSP-element-constituents,we have adopted the USA SPSS 12.0 as our Windows statistics software in factor analysis,and the results indicate that there was five main TSP pollution sources in areas A B. The contribution rates of the above-said 5 sources were roughly estimated that soil dust:57.524%; building material dust:19.458%; traffic dust:14.495%; coal smoke:6.742%; with steel dust being 0.952%. Therefore,on the whole,the results of our investigation and measurement prove to be in accord with the actual situation. At the same time,the factual data and the process course of investigation and calculation can thus be adopted to study similar conditions and circumstances.
【CateGory Index】: X513
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【Co-references】
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