Plastics - Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment - Method by analysis of evolved carbon dioxide (ISO 22404:2019); German version EN ISO 22404:2021
Edition 2022-01

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
Edition 2021-07

Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved (ISO 17556:2019); German version EN ISO 17556:2019
Edition 2019-09

Adhesives - Terms and definitions; German version EN 923:2015
Edition 2016-03

Packaging - Determination of the degree of disintegration under simulated home composting conditions; German version EN 17428:2023
Edition 2024-02

Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network - Part 1: Specifications for biomethane for injection in the natural gas network; German version EN 16723-1:2016
Edition 2017-01

Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192:2007); German version EN ISO 8192:2007
Edition 2007-05

Solid recovered fuels - Specifications and classes (ISO 21640:2021); German version EN ISO 21640:2021
Edition 2021-11

Biological equipment for treating air and other gases - General requirements (ISO/DIS 23138:2023); Text in German and English
Edition 2023-06

Determination of the ultimate biodegradation of plastics materials in an aqueous system under anoxic (denitrifying) conditions - Method by measurement of pressure increase; German version EN 17417:2020
Edition 2021-01