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

Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes (ISO 14238:2012); German version EN ISO 14238:2013
Edition 2014-03

Pulp, paper and board - Microbiological examination - Part 1: Enumeration of bacteria and bacterial spores based on disintegration (ISO 8784-1:2014)
Edition 2016-05

Microbiology of food and animal feeding stuffs - Horizontal method for the detection of Shigella spp. (ISO 21567:2004); German version EN ISO 21567:2004
Edition 2005-02

Ergonomics - Evaluation of thermal strain by physiological measurements (ISO 9886:2004); German version EN ISO 9886:2004
Edition 2004-05

Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2003
Edition 2003-12

Wastewater treatment plants - Part 11: General data required; German version EN 12255-11:2001
Edition 2001-07

Textiles - Environmental aspects - Vocabulary (ISO 5157:2023); German version EN ISO 5157:2023
Edition 2023-12

Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002
Edition 2003-04

Plant biostimulants - Detection of Shigella spp.; German and English version prEN 17715:2023
Edition 2023-06