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        창원시 도심 지역의 내리는 빗물 수질분석

        한치복 ( Chi Bok Han ),이택순 ( Taek Soon Slee ),서규태 ( Gyu Tae Seo ) 한국수처리학회 2014 한국수처리학회지 Vol.22 No.2

        This paper is focused on the rainwater quality analysis in urban area to evaluate contamination level of rainwater. The water quality data were collected in 2008 and 2011 at survey areas in Changwon city of Gyeongnam province. It was shown that pH of the rainwater was in the range of 4.4~4.5 in 2008 while it was slightly increased to 4.7~4.9 in 2011. The water quality parameters which meet drinking water quality standard were Zn, Cu, Mn, NO3-N, Hardness, Cl-, SO42- and Total solids. However several parameters were appeared to be over or near the limit of the standard, such as color, Turbidity, Al, Fe, NH3-N, KMnO4 consumption. From the data analysis, it was apparent that the rainwater quality becomes better by accumulation rainfall at most parameters except pH. Again the annual rain water quality was observed to be improved in 2011 compared to those in 2008.

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