X-ray spectrometry - X-ray emission and X-ray fluorescence analysis (XRF) - Part 2: Definitions and basic principles for measurements, calibration and evaluation of results
Edition 2015-03

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 13: Determination of cyanides (D 13)
Edition 2011-04

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 30: Determination of trihalogenmethanes in bathing water and pool water with headspace-gas chromatography (F 30)
Edition 2007-12

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)
Edition 2009-02

Water quality - Guidelines for selective immunoassays for the determination of plant treatment and pesticide agents (ISO 15089:2000)
Edition 2001-06

Root cause analysis (RCA) (IEC 62740:2015); German version EN 62740:2015
Edition 2015-11

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 60: Spectrometric determination of the chlorophyll-a concentration in water (H 60)
Edition 2019-12

Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020); German version EN ISO 13161:2020
Edition 2024-10

Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014); German version EN ISO 5667-6:2016/A11:2020
Edition 2022-04

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 71: Equivalence of two analysis methods based on the comparison of analysis results (A 71)
Edition 2020-10