Registration number (WIID)Project No.TitleStatus
37476LVS EN 16503:2014Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal watersStandarts spēkā
32800LVS EN 16101:2013Water quality - Guidance standard on interlaboratory comparison studies for ecological assessmentStandarts spēkā
35339LVS EN ISO 10523:2012Water quality - Determination of pH (ISO 10523:2008)Standarts spēkā
30872LVS EN ISO 15088:2009Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007)Standarts spēkā
10955LVS EN 903:2001Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBASStandarts spēkā
63237LVS EN ISO 5815-1:2020Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019)Standarts spēkā
11061LVS EN ISO 15680:2004Water quality - Gas-chromatographic determination of a number of monocyclic aromatic hydrocarbons, naphthalene and several chlorinated compounds using purge-and-trap and thermal desorptionStandarts spēkā
30869LVS EN ISO 11348-3:2009Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007)Standarts spēkā
21805LVS EN ISO 6878:2004 AWater quality - Determination of phosphorus - Ammonium molybdate spectrometric methodStandarts spēkā
63552EN ISO 9698:2019Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019)Standarts spēkā
Displaying 741-750 of 813 results.