Registration number (WIID)Project No.TitleStatus
72999EN 17805:2023Water quality - Sampling, capture and preservation of environmental DNA from waterStandarts spēkā
10959LVS EN 26595:2000Water quality - Determination of total arsenic - Silver diethydithiocarbamate spectrometric methodStandarts spēkā
35959LVS EN ISO 17994:2014Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)Standarts spēkā
10993LVS EN ISO 9963-1:1995 AWater quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinityStandarts spēkā
62648EN 14614:2020Water quality - Guidance standard for assessing the hydromorphological features of riversStandarts spēkā
11070LVS EN ISO 9439:2003Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution testStandarts spēkā
11041LVS EN ISO 10304-3:1997Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfateStandarts spēkā
11047LVS EN ISO 9963-2:1995 AWater quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinityStandarts spēkā
65985EN ISO 13161:2020Water quality - Polonium 210 - Test method using alpha spectrometry (ISO/DIS 13161:2019)Standarts spēkā
73649LVS EN ISO 16266-2:2022Water quality - Detection and enumeration of Pseudomonas aeruginosa - Part 2: Most probable number method (ISO 16266-2:2018)Standarts spēkā
Displaying 621-630 of 824 results.