Gas infrastructure - Quality of gas - Group H; German and English version prEN 16726:2023
Edition 2024-03

Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-2:2000); German version EN ISO 8689-2:2000
Edition 2000-08

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

Water quality - Guidance standard on determining the degree of modification of river hydromorphology; German version EN 15843:2010
Edition 2010-05

Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water; German version EN 15708:2009
Edition 2010-03

Optics and photonics - Test methods for surface imperfections of optical elements (ISO 14997:2017)
Edition 2018-05

Solid recovered fuels - Methods for sampling (ISO 21645:2021); German version EN ISO 21645:2021
Edition 2021-09

Gas infrastructure - Quality of gas - Group H; German version EN 16726:2015+A1:2018
Edition 2019-11

Foods of plant origin - Multiresidue methods for the determination of pesticide residues by GC or LC-MS/MS - Part 1: General considerations; German version EN 12393-1:2013
Edition 2014-01

Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms (ISO/TR 11690-3:1997); German version EN ISO 11690-3:1998
Edition 1999-01