Atmospheric arsenic (As) study at five characteristic sampling sites in Taiwan |
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Authors: | Guor-Cheng Fang Yi-Liang Huang Jun-Han Huang |
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Institution: | (1) Department of Safety, Health and Environmental Engineering, HungKuang University, Sha-Lu, Taichung, 433, Taiwan;(2) Department of Biotechnology, National Formosa University, Huwei, Yunlin, 63208, Taiwan |
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Abstract: | The main purpose for this study is to observe the seasonal and monthly variations for arsenic (As) in total suspended particulates
(TSP) concentration and dry deposition at five characteristic sampling sites during the years 2009 and 2010 in central Taiwan.
The results show that the highest and lowest monthly average As concentrations in TSP occurred in January and May at Bei-shi
(suburban/coastal) and Quan-xing (industrial) sampling sites. In addition, the results show that the highest and lowest monthly
average As dry deposition occurred in October and May at Chang-hua (downtown) and Gao-mei (wetland) sampling sites. This study
reflected that the mean highest As concentrations in TSP and mean highest As dry deposition occurred at Quan-xing (industrial).
However, the mean lowest As concentrations in TSP and mean lowest As dry deposition also occurred at Gao-mei (wetland). Regarding
seasonal variation, the results show that the As average seasonal concentration order in TSP was winter > spring > fall >
summer, respectively, at Chang-hua (downtown) and He-mei (residential) sampling sites. Finally, the order of As average seasonal
dry deposition was fall > winter > spring > summer, respectively, at Chang-hua (downtown), He-mei (residential), and Gao-mei
(wetland) sampling sites. |
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