Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018); German version EN ISO 20130:2020
Edition 2021-02

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017); German version EN ISO 20227:2017
Edition 2017-10

Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German version EN 12566-6:2016
Edition 2016-12

Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 4-4: Heat generation systems, building-integrated cogeneration systems, Module M8-3-4, M8-8-4, M8-11-4; German version EN 15316-4-4:2017
Edition 2017-09

Energy performance of buildings - Overarching EPB assessment - Part 1: General framework and procedures (ISO 52000-1:2017); German version EN ISO 52000-1:2017
Edition 2018-03

Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners; German version EN 303-2:2017
Edition 2017-11

Conservation of cultural heritage - Guidelines for improving the energy performance of historic buildings; German version EN 16883:2017
Edition 2017-08

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

Sustainability of construction works - Data quality for environmental assessment of products and construction work - Selection and use of data; German and English version prEN 15941:2022
Edition 2022-11

Soil quality - Sampling of soil invertebrates - Part 4: Sampling, extraction and identification of soil-inhabiting nematodes (ISO 23611-4:2022); German version EN ISO 23611-4:2022
Edition 2023-12