Products used for treatment of water intended for human consumption - Manganese dioxide coated limestone; German version EN 14368:2015
Edition 2015-06

Products used for treatment of water intended for human consumption - Iron (III) hydroxide oxide; German version EN 15029:2012
Edition 2013-01

Water quality - Determination of selected plant treatment agents - Method using high performance liquid chromatography with UV detection after solid-liquid extraction (ISO 11369:1997); German version EN ISO 11369:1997
Edition 1997-11

German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 6: Determination of acrylamide - Methode using high performance liquid chromatography with mass spectrometric detection (HPLC-MS/MS) (P 6)
Edition 2007-02

Cleaning of air and other gases - Terminology (ISO 29464:2017); German version EN ISO 29464:2019
Edition 2020-09

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 59: Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) using combustion and subsequent ion chromatographic measurement (H 59)
Edition 2022-10

Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002); German version EN ISO 17993:2003
Edition 2004-03

Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); German version EN 1622:2006
Edition 2006-10

Oil spill identification - Petroleum and petroleum related products - Part 2: Analytical method and interpretation of results based on GC-FID and GC-low resolution-MS analyses; German version EN 15522-2:2023
Edition 2023-07

Products used for the treatment of water intended for human consumption - Granular activated carbon - Part 1: Virgin granular activated carbon; German version EN 12915-1:2009
Edition 2009-07