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ISO 6222:1999PublishedWater quality — Enumeration of culturable micro-organisms — Colony count by inoculation in a nutrient agar culture mediumISO 6461-1:1986PublishedWater quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 1: Method by enrichment in a liquid mediumISO 6461-2:1986PublishedWater quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 2: Method by membrane filtrationISO 7704:2023PublishedWater quality — Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methodsISO 7899-3:2025PublishedWater quality — Enumeration of intestinal enterococci — Part 3: Most probable number methodISO 7899-2:2000PublishedWater quality — Detection and enumeration of intestinal enterococci — Part 2: Membrane filtration methodISO 7899-1:1998PublishedWater quality — Detection and enumeration of intestinal enterococci — Part 1: Miniaturized method (Most Probable Number) for surface and waste waterISO 8199:2018PublishedWater quality — General requirements and guidance for microbiological examinations by cultureISO 9308-1:2014PublishedWater quality — Enumeration of Escherichia coli and coliform bacteria — Part 1: Membrane filtration method for waters with low bacterial background floraISO 9308-2:2012PublishedWater quality — Enumeration of Escherichia coli and coliform bacteria — Part 2: Most probable number methodISO 9308-3:1998PublishedWater quality — Detection and enumeration of Escherichia coli and coliform bacteria — Part 3: Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste waterISO 10705-3:2003PublishedWater quality — Detection and enumeration of bacteriophages — Part 3: Validation of methods for concentration of bacteriophages from waterISO 10705-4:2001PublishedWater quality — Detection and enumeration of bacteriophages — Part 4: Enumeration of bacteriophages infecting Bacteroides fragilisISO 10705-2:2000PublishedWater quality — Detection and enumeration of bacteriophages — Part 2: Enumeration of somatic coliphagesISO 10705-1:1995PublishedWater quality — Detection and enumeration of bacteriophages — Part 1: Enumeration of F-specific RNA bacteriophagesISO 11133:2014PublishedMicrobiology of food, animal feed and water — Preparation, production, storage and performance testing of culture mediaISO 11731:2017PublishedWater quality — Enumeration of LegionellaISO/TS 12869-2:2024PublishedWater quality — Detection and quantification of Legionella spp. and/or Legionella pneumophila by concentration and genic amplification by quantitative polymerase chain reaction (qPCR) — Part 2: On-site methodsISO/TS 12869:2019PublishedWater quality — Detection and quantification of Legionella spp. and/or Legionella pneumophila by concentration and genic amplification by quantitative polymerase chain reaction (qPCR)ISO 13647:2026PublishedWater quality — Enumeration of culturable microorganisms — Colony count by spread plate inoculation on R2A mediumISO 13843:2017PublishedWater quality — Requirements for establishing performance characteristics of quantitative microbiological methodsISO 14189:2013PublishedWater quality — Enumeration of Clostridium perfringens — Method using membrane filtrationISO 15553:2006PublishedWater quality — Isolation and identification of Cryptosporidium oocysts and Giardia cysts from waterISO 17994:2014PublishedWater quality — Requirements for the comparison of the relative recovery of microorganisms by two quantitative methodsISO 17995:2019PublishedWater quality — Detection and enumeration of thermotolerant Campylobacter spp