Registration number (WIID)Project No.TitleStatus
11086LVS EN ISO 7393-3:2001Water quality - Determination of free chlorine and total chlorine - Part 3: Iodometric titration method for the determination of total chlorineStandarts spēkā
61308LVS EN ISO 7704:2023Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023)Standarts spēkā
10986LVS EN ISO 7827:2000Water quality - Evalution in an aquenos medium of the "ultimate" aerobic biodegrability of organic compounds - Method by analysis of dissolved organic carbonAtcelts
36652LVS EN ISO 7827:2013Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010)Standarts spēkā
10982LVS EN ISO 7887:1994Water quality - Examination and determination of colorAtcelts
29946LVS EN ISO 7887:2012Water quality - Examination and determination of colour (ISO 7887:2011)Standarts spēkā
10999LVS EN ISO 7899-1:1998 AWater quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid mediumStandarts spēkā
11125LVS EN ISO 7899-1:1998 A /AC:2002Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid mediumStandarts spēkā
11035LVS EN ISO 7899-2:2001 AWater quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration methodStandarts spēkā
78021LVS EN ISO 7899-3:2025Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO 7899‑3:2025) 
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