Proceedings of the Korean Environmental Health Society Conference (한국환경보건학회:학술대회논문집)

Korean Society of Environmental Health (한국환경보건학회)
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Relationships between levels of heterotrophic plate count bacteria and endotoxin in point-of-use water treatment systems

  • Moon, Kyong-Whan (Dept. of Environmental Health, College of Health Sciences, Korea University) ;
  • Kim, Young-Whan (Dept. of Environmental Health, College of Health Sciences, Korea University) ;
  • Shon, Jong-Ryeul (Dept. of Environmental Health, College of Health Sciences, Korea University)
  • Published : 2003.06.01
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Abstract

Endotoxin concentrations were measured from 69 point-of-use(POU) water treatment system(WTS) by using Limulus amebocyte lysate(LAL) assay, and the results were compared to heterotrophic bacterial data. Endotoxin concentrations in all POU WTS water samples and tap waters varied within the range 0.8-79.1EU mL$\^$-1/ and 0.1-3.4EU mL$\^$-1/, respectively, The correlations between endotoxin concentration and HPC bacteria from the water samples showed not significant(r=0.18).

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