CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 68378 | - | Requirements and test methods for renovation methods for non-pressure drainage and sewerage networks inside buildings | Izstrādē |
| 69385 | prEN 12255-15 rev | Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants | Izstrādē |
| 69386 | EN 12255-13:2023 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Izstrādē |
| 69386 | LVS EN 12255-13:2023 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Standarts spēkā |
| 69387 | EN 12255-3:2024 | Wastewater treatment plants - Part 3: Preliminary treatment | Standarts spēkā |
| 69387 | LVS EN 12255-3:2024 | Wastewater treatment plants - Part 3: Preliminary treatment | Standarts spēkā |
| 69388 | EN 12255-12:2024 | Wastewater treatment plants - Part 12: Control and automation | Standarts spēkā |
| 69388 | LVS EN 12255-12:2024 | Wastewater treatment plants - Part 12: Control and automation | Standarts spēkā |
| 69389 | EN 12255-10:2023 | Wastewater treatment plants - Part 10: Safety principles | Izstrādē |
| 69389 | LVS EN 12255-10:2023 | Wastewater treatment plants - Part 10: Safety principles | Standarts spēkā |
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