Water supply - Requirements for systems and components for the storage of water; German version EN 1508:1998
Edition 1998-12

Sustainability criteria for the production of biofuels and bioliquids for energy applications - Principles, criteria, indicators and verifiers - Part 3: Biodiversity and environmental aspects related to nature protection purposes; German version EN 16214-3:2012+A1:2017
Edition 2017-10

Plant biostimulants - Claims - Part 1: General principles; German and English version prEN 17700-1:2023
Edition 2023-04

Semantics for groundwater data interchange; German version EN 14968:2006
Edition 2006-11

Classification and characteristics of techniques for renovation, repair and replacement of drains and sewers; German version EN 15885:2018
Edition 2019-10

Sustainability criteria for the production of biofuels and bioliquids for energy applications - Principles, criteria, indicators and verifiers - Part 4: Calculation methods of the greenhouse gas emission balance using a life cycle analysis approach; German version EN 16214-4:2013+A1:2019
Edition 2020-02

Petroleum and natural gas industries - Cements and materials for well cementing - Part 4: Preparation and testing of foamed cement slurries at atmospheric pressure (ISO 10426-4:2004); English version EN ISO 10426-4:2004
Edition 2005-09

Water quality - Determination of the toxic effect of sediment on the growth behaviour of Myriophyllum aquaticum (ISO 16191:2013)
Edition 2019-08

Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid; German version EN 12175:2022
Edition 2023-03

Water quality - Guidance standard on determining the degree of modification of lake hydromorphology; German version EN 16870:2017
Edition 2017-05