Registration number (WIID)Project No.TitleStatus
63240LVS EN ISO 21253-1:2020Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry (ISO 21253-1:2019)Standarts spēkā
73093LVS EN ISO 10304-4:2022Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022)Standarts spēkā
40875LVS EN ISO 8199:2019Water quality - General requirements and guidance for microbiological examinations by culture (ISO 8199:2018)Standarts spēkā
64593LVS EN ISO 11348-3:2009/A1:2019Water 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 - Amendment 1 (ISO 11348-3:2007/Amd 1:2018)Standarts spēkā
40318LVS EN 16859:2017Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environmentStandarts spēkā
60334LVS EN ISO 20227:2017Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017)Standarts spēkā
69428LVS EN ISO 13160:2021Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting (ISO 13160:2021)Standarts spēkā
68126LVS EN ISO 13164-3:2020Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013)Standarts spēkā
63234LVS EN ISO 19340:2018Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017)Standarts spēkā
67705LVS EN ISO 22017:2020Water quality - Guidance for rapid radioactivity measurements in nuclear or radiological emergency situation (ISO 22017:2020)Standarts spēkā
Displaying 61-70 of 831 results.