Acoustics - Test code for suspended ceilings - Sound absorption; German version EN 16487:2014
Edition 2015-02

Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment; German version EN 14996:2006
Edition 2006-08

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 35: Determination of arsenic - Method by graphite furnace atomic absorption spectrometry (GF-AAS) (D 35)
Edition 2004-09

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
Edition 1994-01

German standard methods for the examination of water, waste water and sludge - Anions (Group D) - Part 23: Determination of selenium by atomic absorption spectrometry (D 23)
Edition 1994-10

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 6: Determination of lead by atomic absorption spectrometry (AAS) (E 6)
Edition 1998-07

Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis; German version EN 12918:1999
Edition 1999-11

Medical devices - Application of risk management to medical devices (ISO 14971:2019); German version EN ISO 14971:2019 + A11:2021
Edition 2022-04

Medical microbiology - Culture media - Part 6: Solid chromogenic culture media; Text in German and English
Edition 2008-01