Registration number (WIID)Project No.TitleStatus
20826EN 12255-3:2000/AC:2000Wastewater treatment plants - Part 3: Preliminary treatmentAtcelts
7236EN 12255-3:2000Wastewater treatment plants - Part 3: Preliminary treatmentAtcelts
66080EN 12255-16:2021Wastewater treatment plants - Part 16: Physical (mechanical) filtrationIzstrādē
7280EN 12255-16:2005Wastewater treatment plants - Part 16: Physical (mechanical) filtrationAtcelts
7281EN 12255-15:2003Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
69390EN 12255-14:2023Wastewater treatment plants - Part 14: DisinfectionIzstrādē
7253EN 12255-14:2003Wastewater treatment plants - Part 14: DisinfectionAtcelts
69386EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationIzstrādē
7252EN 12255-13:2002Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
69388EN 12255-12:2024Wastewater treatment plants - Part 12: Control and automationStandarts spēkā
Displaying 471-480 of 567 results.