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

Wastewater treatment plants - Part 3: Preliminary treatment; German version EN 12255-3:2024

Wastewater treatment plants - Part 4: Primary treatment; German version EN 12255-4:2023

Wastewater treatment plants - Part 5: Lagooning processes; German version EN 12255-5:2024

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

Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version FprEN 12255-7:2024

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

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

Wastewater treatment plants - Part 10: Safety principles; German version EN 12255-10:2023

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

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