2013.4 - 2014.3 Yearbook of NILIM

Research Summary


Water Quality Control Department
Reference Number Y130105
Title Introduction the new hygienic index for wastewater treatment plant
Start-End Date 2011.4-2014.3
Division Wastewater and Sludge Management Division, Water Quality Control Department
Author Head, Hiromasa YAMASHITA
Senior Researcher, Hiroyuki SHIGEMURA
Researcher, Tsuyako FUJII
Researcher, Masashi OGOSHI
Summary We researched the actual condition /change of E.coli in treated water and effluent. And we organized the relation of E.coli and total coliform. On the basis of these results, we proposed the idea with a variable coefficient to set the new reference value.