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KMID : 1156220150410040259
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Journal of Environmental Health Sciences
2015 Volume.41 No. 4 p.259 ~ p.267
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Concentrations of SPM and Ambient Hazardous Heavy Metals in an Industrial Complex Area in Daegu City
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송희봉:Song Hee-Bong
권종대:Kwon Jong-Dae/박수경:Park Su-Kyoung/김은경:Kim Eun-Kyung/윤현숙:Youn Hyun-Sook/주명희:Ju Myeong-Hui/배기수:Bae Gi-Soo
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Abstract
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Objectives: This study evaluated the regional and seasonal concentrations of ambient hazardous heavy metals in an industrial complex area in Daegu City.
Methods: A total of 64 SPM (Suspended Particulate Matter) samples were collected in non-industrial and industrial areas during 2014 and were analyzed for hazardous heavy metals elements (As, Cd, Mn, Ni, Pb) with ICP after acid extraction.
Results: SPM and hazardous heavy metals concentrations showed regional (industrial complex area>non-industrial complex area) and seasonal (spring, winter>fall, summer) variations. All of the hazardous heavy metals were influenced by anthropogenic sources. The pollution index of hazardous heavy metals was very low, showing roughly one-quarter of the level of the air quality guidelines of WHO. The correlation analysis among SPM and hazardous heavy metals indicated that components of non-industrial complex areas were more related to each other than those of industrial complex areas, and the correlation in the winter was higher than in other seasons.
Conclusion: It is necessary to control air pollution sources and establish related policy because hazardous heavy metals from industrial areas can influence residential areas.
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KEYWORD
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Correlation analysis, Heavy metals, Industrial complex, Pollution index, SPM
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