Registration number (WIID)Project No.TitleStatus
27360prEN 124Gully tops and manhole tops for vehicular and pedestrian areasIzstrādē
66083prEN 12380 revAir admittance valves for drainage systems - Requirements, tests methods and evaluation of conformityIzstrādē
28152prEN 12380 revAir admittance valves for drainage systemsIzstrādē
7234prEN 12380-1Ventilation pipework - Air admittance valve system (AVS) - Part 1: RequirementsIzstrādē
7260prEN 12255-9Waste water treatment plants - Part 9: Odour control and ventilationIzstrādē
66911prEN 12255-7 revWastewater treatment plants - Part 7: Biological fixed-film reactorsIzstrādē
66900prEN 12255-1 revWastewater treatment plants - Part 1: General construction principlesIzstrādē
36241prEN 12255-16 revWastewater treatment plants - Part 16: Physical (mechanical) filtrationIzstrādē
69385prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
82762prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge aeration plants - General requirementsIzstrādē
Displaying 61-70 of 575 results.