• Hydrogen Technologies Norms and standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of NA 119-05-36 AA

DIN EN 12255-1 2022-10-10 Wastewater treatment plants - Part 1: General construction principles; German and English version prEN 12255-1:2023 More  Comment 
DIN EN 12255-7 2022-10-10 Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023 More  Comment 
DIN EN 12255-8 2021-07-14 Wastewater treatment plants - Part 8: Sludge treatment and storage; German and English version prEN 12255-8:2022 More  Comment 
DIN EN 12255-15 rev 2021-07-14 Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants More  Comment 
DIN EN 12255-3 2021-07-14 Wastewater treatment plants - Part 3: Preliminary treatment; German version EN 12255-3:2024 More  Comment 
DIN EN 12255-12 2021-07-14 Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2024 More  Comment 
DIN EN 12255-5 2021-03-03 Wastewater treatment plants - Part 5: Lagooning processes; German version EN 12255-5:2024 More  Comment 
DIN EN 12255-4 2020-12-08 Wastewater treatment plants - Part 4: Primary treatment; German version EN 12255-4:2023 More  Comment 
DIN EN 12255-13 2020-12-08 Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2023 More  Comment 
DIN EN 12255-9 2020-12-08 Wastewater treatment plants - Part 9: Odour control and ventilation; German version EN 12255-9:2023 More  Comment 

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