Registration number (WIID)Project No.TitleStatus
10960LVS EN 1233:1996Water quality - Determination of chromium - Atomic absorption spectrometric methods 
21815LVS EN 12260:2003 AWater quality - Determination of nitrogen - Determination of bound nitrogen (TN{sub}b), following oxidation to nitrogen oxidesAtcelts
10954LVS EN 1189:1996Water quality - Determination of phosphorus - Ammonium molybdate spectrometric methodAtcelts
40173LVS CEN/TS 16800:2016Guideline for the validation of physico-chemical analytical methodsAtcelts
34749LVS CEN/TS 16692:2015Water quality - Determination of tributyltin (TBT) in whole water samples - Method using solid phase extraction (SPE) with SPE disks and gas chromatography with triple quadrupole mass spectrometryStandarts spēkā
63057LVS CEN/TR 17245:2018Water quality - Technical report for the routine sampling of benthic diatoms from rivers and lakes adapted for metabarcoding analysesStandarts spēkā
63056LVS CEN/TR 17244:2018Water quality - Technical report for the management of diatom barcodesStandarts spēkā
33488LVS CEN/TR 16151:2011Water quality - Guidance on the design of Multimetric IndicesStandarts spēkā
80976LVS CEN ISO/TS 7013:2025Water quality - Guidance and requirements for designing an interlaboratory trial for validation of analytical methods (ISO/TS 7013:2023) 
29877LVS CEN ISO/TR 15462:2010Water quality - Selection of tests for biodegradability (ISO/TR 15462:2006)Standarts spēkā
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