Natural stone - Denomination criteria; German version EN 12440:2017
Edition 2018-01

Water safety signs and beach safety flags - Part 3: Guidance for use (ISO 20712-3:2020)
Edition 2022-02

Water quality - Guidance on the scope and selection of fish sampling methods; German version EN 14962:2006
Edition 2006-07

Water quality - Guidance standard for assessing the hydromorphological features of rivers; German version EN 14614:2020
Edition 2022-04

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014, Corrected version 2014-11-01 + Amd. 1:2018 + Amd. 2:2020); German version EN ISO 11133:2014 + A1:2018 + A2:2020
Edition 2020-10