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Comparative Studies on Detecting Methods of Fecal Indicators (Coliforms) in Surface Water  

Park, Ji-Eun (Department of Life Science, Daegu University)
Kim, Sun-Duck (Department of Chemistry/App. Chemistry, Daegu University)
Cho, Ju-Rae (Center of Int. Drinking Water, Korea Water Resources Corperation)
Kim, Sang-Hyun (Department of Environmental Engineering, Pusan National University)
Lee, Hae-Jin (Nakdong River Water Environment Research, National Institute of Environmental Research)
Lee, Young-Ok (Department of Life Science, Daegu University)
Publication Information
Journal of Korean Society on Water Environment / v.22, no.6, 2006 , pp. 1052-1059 More about this Journal
Abstract
For monitoring the fecal pollution at Nak-Dong River, one of the eutrophicated rivers, the differences between total coliforms (TC) and fecal coliforms (FC) using both of membrane filtration (MF)/MPN method, and also fecal streptococcus (FS) by MF-method was investigated. To evaluate the correlation between TC, FC, and FS statistical analyses were performed by using Minitab. And a part of the presumptive TC/FC and background colonies was purified and identified using API 20E kit (Biomeriux). As results, most (89%) of presumptive FC by MF was identified as Escherichia coli while only 14% (MPN) and 11% (MF) of TC were identified as E. coli. Furthermore, FC by MF was correlated significantly with other fecal indicators (TC/FS by MF and FC by MPN), while TC by MPN was not correlated with any other indicators. Thus, the detection of FC by MF-method may be the most reasonable for monitoring the fecal pollution.
Keywords
Detection method; E. coli; Fecal coliforms; Membrane Filtration (MF); Most Probable Numbers (MPN); Total coliforms; Water quality;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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