Registration number (WIID)Project No.TitleStatus
7168LVS EN 12255-11:2002Wastewater treatment plants - Part 11: General data requiredAtcelts
66908LVS EN 12255-11:2023Wastewater treatment plants - Part 11: General data requiredStandarts spēkā
7235LVS EN 12255-1:2003Wastewater treatment plants - Part 1: General construction principlesAtcelts
76646LVS EN 12255-1:2024Wastewater treatment plants - Part 1: General design and construction principlesStandarts spēkā
7251LVS EN 12255-12:2003Wastewater treatment plants - Part 12: Control and automationAtcelts
69388LVS EN 12255-12:2024Wastewater treatment plants - Part 12: Control and automationStandarts spēkā
7252LVS EN 12255-13:2003Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
69386LVS EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationStandarts spēkā
7253LVS EN 12255-14:2004Wastewater treatment plants - Part 14: DisinfectionAtcelts
69390LVS EN 12255-14:2023Wastewater treatment plants - Part 14: DisinfectionStandarts spēkā
Displaying 321-330 of 575 results.