Feather and down - Test methods - Determination of microbiological state; German version EN 1884:1998
Edition 1998-11

Chemical disinfectants and antiseptics - Preservation of test organisms used for the determination of bactericidal (including Legionella), mycobactericidal, sporicidal, fungicidal and virucidal (including bacteriophages) activity; German version EN 12353:2021
Edition 2021-11

Quality management in medical microbiology - Part 20: Requirements for the use of control material for the examination of protozoae and microorganisms of higher order
Edition 1997-06

Dielectric and resistive properties of solid insulating materials - Part 2-1: Relative permittivity and dissipation factor - Technical frequencies (0,1 Hz to 10 MHz) - AC Methods (IEC 62631-2-1:2018); German version EN IEC 62631-2-1:2018
Edition 2018-12

German standard methods for the examination of water, waste water and sludge - Biological-ecological analysis of water (group M) - Part 1: Determination of the saprobic index in running waters (M 1)
Edition 2004-10

Process and competence framework for service excellence in branch banking
Edition 2017-08

Stress-testing resilience of critical infrastructures exposed to cyber-physical threats; Text in English
Edition 2021-12

Quality requirements for composite processes
Edition 2023-11