Chemicals used for treatment of water intended for human consumption - Ozone; German and English version prEN 1278:2024

Chemicals used for treatment of water intended for human consumption - Aluminium-based coagulants - Analytical methods; German version FprEN 1302:2024

Influence of organic materials on water intended for human consumption - Determination of odour and flavour assessment of water in piping systems

Water supply - Requirements for systems and components for the storage of water; German and English version prEN 1508:2024

Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow; German version FprEN 1717:2024

Aerospace series - Rotorcraft immersion suits - Requirements, testing and marking; German and English version EN 4863:2023

Energy performance of buildings - Controls for heating systems - Part 1: Control equipment for hot water heating systems - Modules M3-5, 6, 7, 8; German version EN 12098-1:2022

Chemicals used for treatment of water intended for human consumption - Ammonia solution; German version FprEN 12122:2024

Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants

Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methods; German and English version prEN 12485:2024