Registration number (WIID)Project No.TitleStatus
76459prEN 18161Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environmentAptauja slēgta
11000LVS EN 1622:2000Water quality - Determination of the thershold odour number (TON) and treshold flavour number (TFN)Atcelts
11044LVS EN ISO 5667-16:1998Water quality - Sampling - Part 16: Guidance on biotesting of samplesAtcelts
63561LVS EN ISO 5667-3:2018Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2018)Atcelts
26358LVS EN ISO 17294-1:2006Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelinesAtcelts
67976LVS EN ISO 13163:2019Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2013)Atcelts
10967LVS EN 1485:1996 AWater quality - Determination of adsorbable organically bound halogens (AOX)Atcelts
21815LVS EN 12260:2003 AWater quality - Determination of nitrogen - Determination of bound nitrogen (TN{sub}b), following oxidation to nitrogen oxidesAtcelts
11059LVS EN 13946:2003Water quality - Guidance standard for the routine sampling and pretreatment of benthic diatoms from riversAtcelts
10952LVS EN ISO 6341:1996Water quality - Determination of the inhibition of the mobility of Daphnia magna Straus (Cladocera, Crustracea) - Acute toxicity testAtcelts
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