Registration number (WIID)Project No.TitleStatus
73873LVS EN ISO 20595:2022Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018)Standarts spēkā
41271LVS EN ISO 5667-16:2017Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017)Standarts spēkā
11050LVS EN ISO 10707:1997Water quality - Evalution in an aquenous medium of the ultimate aerobic biodegrability of organic compounds - Method by analysis of biochemical oxygen demandStandarts spēkā
78500LVS EN ISO 13165-1:2024Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting (ISO 13165-1:2022)Standarts spēkā
11029LVS EN ISO 11369:2000Water quality - Determination of selected plant treatment agents - Method using high performance chromatography with UV detection after solid-liquid extractionStandarts spēkā
79410EN 15843:2025Water quality - Guidance standard on determining the degree of modification of river hydromorphologyStandarts spēkā
59274LVS EN ISO 5667-14:2016Water quality - Sampling - Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling (ISO 5667-14:2014)Standarts spēkā
11046LVS EN ISO 9308-3:2006 +AC LWater quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (most probable number) by inoculation in liquid mediumStandarts spēkā
68126LVS EN ISO 13164-3:2020Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013)Standarts spēkā
11007LVS EN 25663:2000Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with seleniumStandarts spēkā
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