The method describes the qualitative determination of faecal streptococci in mineral, spring and table water using double-concentrated azide-glucose broth (in accordance with Annex 2, point 2a of Section 4 (3) of the German Mineral and Table Water Ordinance of 1 August 1984, as amended on 5 July 2017).
Mineral, spring and table waters as well as drinking waters that are to be marketed.
Qualitative detection of faecal streptococci in mineral water, spring water, table water and other drinking water bottled for distribution to the consumer by means of enrichment culture in double-concentrated azide-glucose broth [1].