CEN/TC 165
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7255 | prEN 12255-1 | Wastewater treatment plants - Part 1: General construction principles | Izstrādē |
| 7169 | prEN 12255-10 | Waste water treatment plants - Part 10: Safety principles for the construction of wastewater treatment plants | Izstrādē |
| 7249 | prEN 12255-11 | Waste water treatment plants - Part 11: General data | Izstrādē |
| 82762 | prEN 12255-15 rev | Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge aeration plants - General requirements | 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 |
| 36241 | prEN 12255-16 rev | Wastewater treatment plants - Part 16: Physical (mechanical) filtration | Izstrādē |
| 66900 | prEN 12255-1 rev | Wastewater treatment plants - Part 1: General construction principles | Izstrādē |
| 72612 | prEN 12255-2 | Wastewater treatment plants - Part 2: Storm water management systems | Aptauja slēgta |
| 66911 | prEN 12255-7 rev | Wastewater treatment plants - Part 7: Biological fixed-film reactors | Izstrādē |
| 7260 | prEN 12255-9 | Waste water treatment plants - Part 9: Odour control and ventilation | Izstrādē |
Displaying 501-510 of 575 results.