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

Wastewater treatment plants - Part 1: General construction principles; German and English version prEN 12255-1:2023

Wastewater treatment plants - Part 11: General data required; German version EN 12255-11:2023

Wastewater treatment plants - Part 6: Activated sludge process; German version EN 12255-6:2023

Wastewater treatment plants - Part 9: Odour control and ventilation; German version EN 12255-9:2023

Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023

Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2024

Wastewater treatment plants - Part 8: Sludge treatment and storage; German version EN 12255-8:2024

Wastewater treatment plants - Part 2: Storm water management systems; German and English version prEN 12255-2:2024

Water quality - Determination of the dioxin-like activity of water and wastewater - Method using in vitro mammalian cell-based reporter gene assay

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