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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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BSI
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Documents by this publisher

Page 373 of 890

Series details Title Year Status
BS EN 12238:2001 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for mixed flow application 2001 Current
BS EN 12239:2001 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications 2001 Current
BS EN 12245:2022 Transportable gas cylinders - Fully wrapped composite cylinders 2022 Current
BS EN 12257:2002 Transportable gas cylinders - Seamless, hoop-wrapped composite cylinders 2002 Current
BS EN 12255-1:2002 Wastewater treatment plants. General construction principles (Withdrawn) 2002 Withdrawn
BS EN 12255-1:2024 Wastewater treatment plants. General design and construction principles 2024 Current
BS EN 12255-3:2000 Wastewater treatment plants. Preliminary treatment 2000 Withdrawn
BS EN 12255-3:2000 Wastewater treatment plants. Preliminary treatment (AMD Corrigendum 16723) (Withdrawn) 2000 Withdrawn
BS EN 12255-3:2024 Wastewater treatment plants. Preliminary treatment 2024 Current
BS EN 12255-4:2002 Wastewater treatment plants. Primary settlement (AMD Corrigendum 13961) (Withdrawn) 2002 Withdrawn
BS EN 12255-4:2023 Wastewater treatment plants. Primary treatment 2023 Current
BS EN 12255-5:1999 Wastewater treatment plants. Lagooning process 1999 Withdrawn
BS EN 12255-5:1999 Wastewater treatment plants. Lagooning processes (AMD Corrigendum 15266) (Withdrawn) 1999 Withdrawn
BS EN 12255-5:2024 Wastewater treatment plants. Lagooning processes 2024 Current
BS EN 12255-6:2002 Wastewater treatment plants. Activated sludge process (Withdrawn) 2002 Withdrawn
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 Sludge treatment and storage (AMD Corrigendum 15294) (Withdrawn) 2001 Withdrawn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

Page 373 of 890