Registration number (WIID)Project No.TitleStatus
80662prCEN/TR 15897 revSubmerged Membrane Bioreactor (MBR) technologyIzstrādē
24505CEN/TC 165 N 1476Vitrified clay pipes and fittings and pipe joints for drains for drains and sewers - Part 6: Requirements for vitrified clay manholesIzstrādē
79762prEN 13380 revGeneral requirements for components used for renovation and repair of drain and sewer systems outside buildingsIzstrādē
39499prEN 14396 revFixed ladders for manholesIzstrādē
64287EN 12566-7:2016/prA1Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment unitsIzstrādē
39492prEN 1253-6Gullies for buildings - Part 6: Floor gullies with mechanical sealIzstrādē
80283-Grease management units for small commercial kitchens - Principles for design, performance, installation and maintenanceIzstrādē
68378-Requirements and test methods for renovation methods for non-pressure drainage and sewerage networks inside buildingsIzstrādē
69386EN 12255-13:2023Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationIzstrādē
69385prEN 12255-15 revWastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plantsIzstrādē
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