Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021
Edition 2021-07

Chlorinators for water treatment - Technical requirements for equipment, installation and operation
Edition 2020-01

Earthworks - Chemical tests - Part 1: Determination of loss on ignition; German version EN 17685-1:2023
Edition 2023-04

Ventilation for buildings - Test procedures and measurement methods to hand over air conditioning and ventilation systems; German version EN 12599:2012
Edition 2013-01

Solid recovered fuels - Determination of calorific value (ISO 21654:2021); German version EN ISO 21654:2021
Edition 2021-12

Solid biofuels - Determination of calorific value (ISO 18125:2017); German version EN ISO 18125:2017
Edition 2017-08

Terms and definitions of nuclear technology, only on CD-ROM
Edition 2015-04

Lasers and laser-related equipment - Test method and classification for the laser resistance of surgical drapes and/or patient protective covers - Primary ignition, penetration, flame spread and secondary ignition (ISO 11810:2015); German version EN ISO 11810:2015
Edition 2016-06

Plastics - Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics - Part 2: Method for materials sensitive to time-temperature history and/or moisture (ISO 1133-2:2011); German version EN ISO 1133-2:2011
Edition 2012-03

Methods of testing cement - Part 9: Heat of hydration - Semi-adiabatic method; German version EN 196-9:2010
Edition 2010-07