German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 4: Determination of the genotoxic potential using the Salmonella microsome test (Ames Test) (T 4)
Edition 1999-12

Outdoor hydrogen refuelling points dispensing gaseous hydrogen and incorporating filling protocols; German version EN 17127:2018
Edition 2019-09

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 3: Determination of the genotype potential of water and waste water components with the umu-test (T 3)
Edition 1996-12

Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems - Amendment 1 (ISO 5459:2011/DAM 1:2022); German and English version EN ISO 5459:2011/prA1:2022
Edition 2022-11

Piezoelectric filters of assessed quality - Part 4-1: Blank detail specification; Capability approval (IEC 60368-4-1:2000); German version EN 60368-4-1:2000 + Corrigendum:2001
Edition 2001-07

Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate; German version EN 12174:2022
Edition 2023-03

Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps (ISO 4892-2:2013 + Amd 1:2021); German version EN ISO 4892-2:2013 + A1:2021
Edition 2021-11

Radio Equipment and Systems (RES) - Private wide area paging service - Part 1: Technical characteristics for private wide-area paging systems; English version ETS 300719-1:1997
Edition 1998-07

Acoustics - Methods for calculating loudness - Part 1: Zwicker method (ISO 532-1:2017, Corrected version 2017-11)
Edition 2022-03

Workplace exposure - Measurement of dustiness of bulk materials that contain or release respirable NOAA or other respirable particles - Part 3: Continuous drop method; German version EN 17199-3:2019
Edition 2019-12