Registration number (WIID)Project No.TitleStatus
66909EN 12255-5:2024Wastewater treatment plants - Part 5: Lagooning processesStandarts spēkā
25075LVS EN 1825-1:2005 /AC:2006Grease separators - Part 1: Principles of design, performance and testing, marking and quality controlStandarts spēkā
30622LVS EN 13508-1:2013Investigation and assessment of drain and sewer systems outside buildings - Part 1: General RequirementsStandarts spēkā
7199LVS EN 1825-2:2003Grease separators - Part 2: Selection of nominal size, installation, operation and maintenanceStandarts spēkā
69684CEN/TR 17614:2021Standard method for assessing and improving the energy efficiency of waste water treatment plantsStandarts spēkā
35483LVS EN 16323:2014Glossary of wastewater engineering termsStandarts spēkā
65490LVS EN 14654-4:2021Drain and sewer systems outside buildings - Management and control of activities - Part 4: Control of inputs from usersStandarts spēkā
7271LVS EN 13380:2002General requirements for components used for renovation and repair of drain and sewer systems outside buildingsStandarts spēkā
7148LVS EN 1433:2003Drainage channels for vehicular and pedestrian areas - Classification, design and testing requirements, marking and evaluation of conformityStandarts spēkā
59698EN 16941-2:2021On-site non-potable water systems - Part 2: Systems for the use of treated greywaterStandarts spēkā
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