Soil quality - Determination of abundance and activity of soil microflora using respiration curves (ISO 17155:2012); German version EN ISO 17155:2020
Edition 2021-02

Water quality - Examination and determination of colour (ISO 7887:2011); German version EN ISO 7887:2011
Edition 2012-04

Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under aerobic conditions (ISO 11266:1994); German version EN ISO 11266:2020
Edition 2021-03

Characterization of waste - Leaching behaviour test - Up-flow percolation test (under specified conditions); German version EN 14405:2017
Edition 2017-05

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 1: Batch test using a liquid to solid ratio of 2 l/kg dry matter (ISO 21268-1:2019); German version EN ISO 21268-1:2019
Edition 2020-09

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like material - Part 2: Batch test using a liquid to solid ratio of 10 l/kg dry matter (ISO 21268-2:2019); German version EN ISO 21268-2:2019
Edition 2020-09

Fertilizers and liming materials - Vocabulary - Part 3: Terms relating to liming materials; German version EN 12944-3:2019
Edition 2019-08

Water quality - General requirements and performance test procedures for water monitoring equipment - Measuring devices; German version EN 17075:2018
Edition 2020-12

Water Quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment; German version EN 16859:2017
Edition 2017-07

Chemicals used for treatment of swimming pool water - Aluminium based coagulants; German version EN 15031:2022
Edition 2022-12