Registration number (WIID)Project No.TitleStatus
31702LVS EN ISO 12846:2012Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)Standarts spēkā
32800LVS EN 16101:2013Water quality - Guidance standard on interlaboratory comparison studies for ecological assessmentStandarts spēkā
29874LVS EN ISO 11885:2009Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007)Standarts spēkā
32516LVS EN 15708:2010Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterStandarts spēkā
10955LVS EN 903:2001Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBASStandarts spēkā
22919LVS EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Standarts spēkā
36147LVS EN 14184:2014Water quality - Guidance for the surveying of aquatic macrophytes in running watersStandarts spēkā
21718LVS EN ISO 17495:2003Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detectionStandarts spēkā
35083LVS EN ISO 10304-1:2009 /AC:2013Water 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/Cor 1:2010)Standarts spēkā
28844LVS EN ISO 22032:2009Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry (ISO 22032:2006)Standarts spēkā
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