Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Comparative Studies on Detecting Methods of Fecal Indicators (Coliforms) in Surface Water

지표수에서의 분변오염지표세균 (대장균군) 검출방법의 비교연구

  • 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)
  • 박지은 (대구대학교 생명과학과) ;
  • 김선덕 (대구대학교 화학.응용화학과) ;
  • 조주래 (한국수자원공사 국제수돗물센터) ;
  • 김상현 (부산대학교 환경공학과) ;
  • 이혜진 (국립환경과학원 낙동강물환경연구소) ;
  • 이영옥 (대구대학교 생명과학과)
  • Received : 2006.08.14
  • Accepted : 2006.09.21
  • Published : 2006.11.30
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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

Acknowledgement

Supported by : 낙동강 물환경 연구소

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