2014KS I ISO 7899:2014 Water quality — Detection and enumeration of intestinal enterococci and faecal streptococci
2010KS I ISO 7899-2:2010 Water quality-Detection and enumeration of faecal streptococci-Part 2:Method by membrane filtration
2009KS I ISO 7899-1:2009 Water quality-Detection and enumeration of intestinal enterococci-Part 1:Miniaturized method(Most Probable Number) for surface and waste water