ISO/FDIS 7899-3

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ISO/FDIS 7899-3 is a draft international standard focusing on water quality, specifically the enumeration of intestinal enterococci in water. It outlines a method, the "Most Probable Number" (MPN) method, to count these bacteria, using a liquid medium and the expression of the enzyme ß-D-glucosidase. This method can be applied to various water types, including drinking water, bathing water, groundwater, surface water, and wastewater.