CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7253 | LVS EN 12255-14:2004 | Wastewater treatment plants - Part 14: Disinfection | Atcelts |
| 7254 | - | Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 6: Primary treatment | Izstrādē |
| 7255 | prEN 12255-1 | Wastewater treatment plants - Part 1: General construction principles | Izstrādē |
| 7256 | - | Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 8: Activated sludge treatment | Izstrādē |
| 7257 | - | Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 9: Sludge treatment and disposal | Izstrādē |
| 7258 | - | Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 10: Preliminary treatment | Izstrādē |
| 7259 | - | Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 11: Raw sewage pumping | Izstrādē |
| 7260 | prEN 12255-9 | Waste water treatment plants - Part 9: Odour control and ventilation | Izstrādē |
| 7262 | EN 274-1:2002 | Waste fittings for sanitary appliances - Part 1: Requirements | Izstrādē |
| 7262 | LVS EN 274-1:2003 | Waste fittings for sanitary appliances - Part 1: Requirements | Standarts spēkā |
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