Registration number (WIID)Project No.TitleStatus
37215LVS EN ISO 10710:2013Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010)Standarts spēkā
11046LVS EN ISO 9308-3:1998 AWater quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most probable number) by inoculation in liquid mediumStandarts spēkā
10992LVS EN ISO 8467:1995 AWater quality - Determination of permanganate indexStandarts 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
33298LVS EN ISO 21427-2:2009 /AC:2009Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006/Cor 1:2009)Standarts spēkā
11070LVS EN ISO 9439:2003Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution testStandarts spēkā
61308EN ISO 7704:2023Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO/DIS 7704:2021)Standarts spēkā
63553EN ISO 10704:2019Water quality - Gross alpha and gross beta activity - Test method using thin source deposit (ISO/DIS 10704:2017)Standarts spēkā
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