Registration number (WIID)Project No.TitleStatus
7294LVS CEN/TR 12566-5:2009Small wastewater treatment systems up to 50 PT - Part 5: Pre- treated Effluent Filtration systemsStandarts spēkā
66906LVS EN 12255-8:2024Wastewater treatment plants - Part 8: Sludge treatment and storageStandarts spēkā
69386LVS EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationStandarts spēkā
31264LVS EN 295-1:2013Vitrified clay pipe systems for drains and sewers - Part 1: Requirements for pipes, fittings and jointsStandarts spēkā
69390LVS EN 12255-14:2023Wastewater treatment plants - Part 14: DisinfectionStandarts spēkā
66910LVS EN 12255-6:2023Wastewater treatment plants - Part 6: Activated sludge processStandarts spēkā
69388EN 12255-12:2024Wastewater treatment plants - Part 12: Control and automationStandarts spēkā
66906EN 12255-8:2024Wastewater treatment plants - Part 8: Sludge treatment and storageStandarts spēkā
76646LVS EN 12255-1:2024Wastewater treatment plants - Part 1: General design and construction principlesStandarts spēkā
69389LVS EN 12255-10:2023Wastewater treatment plants - Part 10: Safety principlesStandarts spēkā
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