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British Standards Institution

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

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Page 373 of 886

Series details Title Year Status
BS EN 12255-6:2023 Wastewater treatment plants. Activated sludge process 2023 Current
BS EN 12255-7:2002 Wastewater treatment plants. Biological fixed-film reactors 2002 Current
BS EN 12255-8:2001 Wastewater treatment plants. Sludge treatment and storage (AMD Corrigendum 15294) (Withdrawn) 2001 Withdrawn
BS EN 12255-8:2001 Wastewater treatment plants. Sludge treatment and storage (Withdrawn) 2001 Withdrawn
BS EN 12255-8:2024 Wastewater treatment plants. Sludge treatment and storage 2024 Current
BS EN 12255-9:2002 Wastewater treatment plants. Odour control and ventilation (Withdrawn) 2002 Withdrawn
BS EN 12255-9:2023 Wastewater treatment plants. Odour control and ventilation 2023 Current
BS EN 12255-10:2001 Wastewater treatment plants. Safety principles (Withdrawn) 2001 Withdrawn
BS EN 12255-10:2023 Wastewater treatment plants. Safety principles 2023 Current
BS EN 12255-11:2001 Wastewater treatment plants. General data required (Withdrawn) 2001 Withdrawn
BS EN 12255-11:2023 Wastewater treatment plants. General data required 2023 Current
BS EN 12255-12:2003 Wastewater treatment plants. Control and automation (Withdrawn) 2003 Withdrawn
BS EN 12255-12:2024 Wastewater treatment plants. Control and automation 2024 Current
BS EN 12255-13:2023 Wastewater treatment plants. Chemical treatment - Treatment of wastewater by precipitation/flocculation 2023 Current
BS EN 12255-13:2002 Wastewater treatment plants. Chemical treatment - Treatment of wastewater by precipitation/flocculation (Withdrawn) 2002 Withdrawn
BS EN 12255-14:2023 Wastewater treatment plants. Disinfection 2023 Current
BS EN 12255-14:2003 Wastewater treatment plants. Disinfection (Withdrawn) 2003 Withdrawn
BS EN 12255-15:2003 Wastewater treatment plants. Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants 2003 Current
BS EN 12255-16:2005 Wastewater treatment plants. Physical (mechanical) filtration (Withdrawn) 2005 Withdrawn
BS EN 12255-16:2021 Wastewater treatment plants. Physical (mechanical) filtration 2021 Current

Page 373 of 886