Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes; German version EN 14407:2014
Edition 2014-07

Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes; German version EN 13946:2014
Edition 2014-07

Water quality - Guidance standard for the surveying of macrophytes in lakes; German version EN 15460:2007
Edition 2008-01

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

Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes; German and English version prEN 13946:2024
Edition 2024-09

Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method; German version EN 14718:2014
Edition 2015-03

Chemical disinfectants - Quantitative suspension test for the evaluation of sporicidal activity of chemical disinfectants used in food, industrial, domestic and institutional areas - Test method and requirements (phase 2, step 1); German version EN 13704:2018
Edition 2018-09

Irrigation - Hygienic concerns of irrigation water
Edition 1999-02

Soil improvers and growing media - Determination of pH; German version EN 13037:2011
Edition 2012-01

Soil improvers and growing media - Determination of electrical conductivity; German version EN 13038:2011
Edition 2012-01