CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7251 | LVS EN 12255-12:2003 | Wastewater treatment plants - Part 12: Control and automation | Atcelts |
| 69388 | LVS EN 12255-12:2024 | Wastewater treatment plants - Part 12: Control and automation | Standarts spēkā |
| 7252 | LVS EN 12255-13:2003 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Atcelts |
| 69386 | LVS EN 12255-13:2023 | Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation | Standarts spēkā |
| 7253 | LVS EN 12255-14:2004 | Wastewater treatment plants - Part 14: Disinfection | Atcelts |
| 69390 | LVS EN 12255-14:2023 | Wastewater treatment plants - Part 14: Disinfection | Standarts spēkā |
| 7281 | LVS EN 12255-15:2004 | Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants | Standarts spēkā |
| 7280 | LVS EN 12255-16:2006 | Wastewater treatment plants - Part 16: Physical (mechanical) filtration | Atcelts |
| 66080 | LVS EN 12255-16:2021 | Wastewater treatment plants - Part 16: Physical (mechanical) filtration | Standarts spēkā |
| 20826 | LVS EN 12255-3:2001 +AC | Wastewater treatment plants - Part 3: Preliminary treatment | Atcelts |
Displaying 321-330 of 570 results.