CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7281 | EN 12255-15:2003 | Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants | Izstrādē |
| 69390 | EN 12255-14:2023 | Wastewater treatment plants - Part 14: Disinfection | Izstrādē |
| 7253 | EN 12255-14:2003 | Wastewater treatment plants - Part 14: Disinfection | Atcelts |
| 69386 | EN 12255-13:2023 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Izstrādē |
| 7252 | EN 12255-13:2002 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Atcelts |
| 69388 | EN 12255-12:2024 | Wastewater treatment plants - Part 12: Control and automation | Standarts spēkā |
| 7251 | EN 12255-12:2003 | Wastewater treatment plants - Part 12: Control and automation | Atcelts |
| 76646 | EN 12255-1:2024 | Wastewater treatment plants - Part 1: General design and construction principles | Standarts spēkā |
| 7235 | EN 12255-1:2002 | Wastewater treatment plants - Part 1: General construction principles | Atcelts |
| 66908 | EN 12255-11:2023 | Wastewater treatment plants - Part 11: General data required | Izstrādē |
Displaying 481-490 of 575 results.