CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7239 | LVS EN 12255-6:2003 | Wastewater treatment plants - Part 6: Activated sludge process | Atcelts |
| 66910 | LVS EN 12255-6:2023 | Wastewater treatment plants - Part 6: Activated sludge process | Standarts spēkā |
| 7240 | LVS EN 12255-7:2003 | Wastewater treatment plants - Part 7: Biological fixed-film reactors | Standarts spēkā |
| 7241 | LVS EN 12255-8:2002 | Wastewater treatment plants - Part 8: Sludge treatment and storage | Atcelts |
| 66906 | LVS EN 12255-8:2024 | Wastewater treatment plants - Part 8: Sludge treatment and storage | Standarts spēkā |
| 7242 | LVS EN 12255-9:2003 | Wastewater treatment plants - Part 9: Odour control and ventilation | Standarts spēkā |
| 66907 | LVS EN 12255-9:2023 | Wastewater treatment plants - Part 9: Odour control and ventilation | Standarts spēkā |
| 7275 | LVS EN 12380:2003 | Air admittance valves for drainage systems - Requirements, test methods and evaluation of conformity | Standarts spēkā |
| 36235 | LVS EN 124-1:2015 | Gully tops and manhole tops for vehicular and pedestrian areas - Part 1: Definitions, classification, general principles of design, performance requirements and test methods | Standarts spēkā |
| 7223 | LVS EN 124:1986 | Gully tops and manhole tops for vehicular and pedestrian areas - Design requirements, type testing, marking | Atcelts |
Displaying 341-350 of 575 results.