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Wastewater treatment plants - Part 12: control and automation
Edition 2024-03-13

Wastewater treatment plants - Part 13: chemical treatment - Treatment of wastewater by precipitation/flocculation
Edition 2023-07-19

Wastewater treatment plants - Part 14: Disinfection
Edition 2023-07-05

Wastewater treatment plants - Part 15: measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
Edition 2004-04-01

Wastewater treatment plants - Part 16: physical (mechanical) filtration
Edition 2021-07-28

Small wastewater treatment systems for up to 50 PT - Part 1: prefabricated septic tanks
Edition 2016-10-28

Small wastewater treatment systems for up to 50 PT - Part 2: soil infiltration systems
Edition 2005-11-01

Small wastewater treatment systems for up to 50 PT - Part 3: packaged and/or site assembled domestic wastewater treatment plants
Edition 2016-10-28

Small wastewater treatment systems for up to 50 PT - Part 4: septic tanks assembled in situ from prefabricated kits
Edition 2016-10-28

Small wastewater treatment plant systems for up to 50 PT - Part 5: pre-treated effluent filtration systems
Edition 2009-08-01

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