Ventilation and air conditioning - Part 4: Ventilation in buildings and rooms of health care - Supplement 1: Checklist for planning, execution and operation of components
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Generation of thermal decomposition products from materials for their analytic-toxicological testing - Part 1: Decomposition apparatus and determination of test temperature
Generation of thermal decomposition products from materials for their analytic-toxicological testing - Part 4: Thermal decomposition method for liquids
Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 42: Vertical lifting appliance with enclosed carrier intended for use by persons, including persons with disability; German and English version prEN 81-42:2022
Gas infrastructure - Safety Management System for Gas Networks with maximum operating pressure up to and including 16 bar; German version EN 15399:2018
Gas infrastructure - Safety Management System (SMS) for gas transmission infrastructure and Pipeline Integrity Management System (PIMS) for gas transmission pipelines - Functional requirements; German version EN 16348:2013