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

German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 3: Determination of polychlorinated biphenyls (F 3)
Edition 1998-07

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014 + Amd 1:2016); German version EN ISO 9308-1:2014 + A1:2017
Edition 2017-09

Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter - Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) (ISO 18635:2016); German version EN ISO 18635:2016
Edition 2016-10

Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2016); German version EN ISO 10253:2016
Edition 2018-08

Ventilation and air conditioning - Part 4: Ventilation in buildings and rooms of health care
Edition 2018-09

Characterization of solids - Quality assurance and quality control - Re-transferability of measurement results of the test characteristics with regard to their distinctness and distribution in the population
Edition 2021-12

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

Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal waters; German version EN 16503:2014
Edition 2014-11

Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of rivers; German version EN 16772:2016
Edition 2016-11