Haematology — Determination of the concentration of blood corpuscles in blood — Part 7: Reference procedure for the determination of cell concentrations using relative enummeration

Organic, organo-mineral and inorganic fertilizers - Enumeration of Escherichia coli

Organic, organo-mineral and inorganic fertilizers - Enumeration of enterococci

Soil improvers and growing media - Enumeration of enterococci; German and English version prEN 18279:2026

Soil improvers and growing media - Enumeration of Escherichia coli; German and English version prEN 18280:2026

Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria (ISO/DIS 9308-4:2025); German and English version prEN ISO 9308-4:2025

Microbiology of the food chain - Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. - Part 1: Detection method - Amendment 1: Inclusion of storage of the samples before analysis and changes in the control strain for performance testing of culture media and reagents (ISO 11290-1:2017/DAM 1:2025); German and English version EN ISO 11290-1:2017/prA1:2025

Microbiology of the food chain - Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. - Part 2: Enumeration method - Amendment 1: Inclusion of storage of the samples before analysis and changes in the control strain for performance testing of culture media and reagents (ISO 11290-2:2017/DAM 1:2025); German and English version EN ISO 11290-2:2017/prA1:2025