Microbiology of the food chain - Specific requirements and guidance for proficiency testing by interlaboratory comparison (ISO 22117:2019); German version EN ISO 22117:2019
Edition 2019-08

Microbiology of the food chain - Horizontal method for the enumeration of microorganisms - Part 2: Colony count at 30 °C by the surface plating technique (ISO 4833-2:2013 + Cor. 1:2014 + Amd 1:2022); German version EN ISO 4833-2:2013 + AC:2014 + A1:2022
Edition 2022-05

Sample preparation - Dispersing procedures for powders in liquids (ISO 14887:2000)
Edition 2010-03

Microbiology of the food chain - Estimation of measurement uncertainty for quantitative determinations (ISO 19036:2019); German version EN ISO 19036:2019
Edition 2020-05

Microbiology of the food chain - General requirements and guidance for microbiological examinations (ISO 7218:2024); German version EN ISO 7218:2024
Edition 2024-12

Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions (ISO 6887-1:2017); German version EN ISO 6887-1:2017
Edition 2017-07

Microbiology of the food chain - Horizontal method for the detection and enumeration of Enterobacteriaceae - Part 1: Detection of Enterobacteriaceae (ISO 21528-1:2017); German version EN ISO 21528-1:2017
Edition 2017-09

Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions (ISO 6887-1:2017 + Amd 1:2024); German version EN ISO 6887-1:2017 + A1:2024
Edition 2024-12

Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023, Corrected version 2024-02); German version EN ISO 17294-2:2023
Edition 2024-12

Preparation and quality management of fluids for haemodialysis and related therapies - Part 4: Concentrates for haemodialysis and related therapies (ISO 23500-4:2024); German version EN ISO 23500-4:2024
Edition 2024-09