Registration number (WIID)Project No.TitleStatus
29873LVS EN ISO 10304-1:2009Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007)Standarts spēkā
11066LVS EN 14011:2003Water quality - Sampling of fish with electricityStandarts spēkā
11045LVS EN ISO 8689-1:2001 AWater quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebratesStandarts spēkā
68126LVS EN ISO 13164-3:2020Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013)Standarts spēkā
11018LVS EN 12673:1998Water quality - Gas chromatographic determination of some selected chlorophenols in waterStandarts spēkā
11043LVS EN ISO 13395:1996 AWater quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
34746LVS EN 16693:2016Water quality - Determination of organochlorine pesticides (OCP) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)Standarts spēkā
29987EN ISO 10870:2012Water quality - Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO 10870:2012)Standarts spēkā
73090EN ISO 13165-2:2022Water quality - Radium-226 - Part 2: Test method using emanometry (ISO 13165-2:2022)Standarts spēkā
76482EN ISO 16094-2:2025Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water (ISO 16094-2:2025)Standarts spēkā
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