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곽동희,독고석,한무영 대한상하수도학회 2003 상하수도학회지 Vol.17 No.5
Recently, there has been an increasing interest to promote the utilization of rainwater. In this paper, concentration of organic compound and heavy metal in rainwater samples was analyzed to examine the hazardous level of rainwater for utilization. And an experiment for separating the opportunistic and pathogenic bacteria was also performed. Unlike the quality of ground water and surface water, only a few couple of bacteria types have found in the rainwater samples. This means that the quality of rainwater is by far safer than other water sources. Many opportunistic colony which inhabits in nature was found in the most of samples while the pathogenic bacteria was not detected. Organic compounds have not found in rainwater. Concentration of heavy metal in it also shows under the regulation of drinking water. Conclusively, on the basis of the analysis results on five samples, rainwater could be used directly for various purpose without additional water treatment process.