Registration number (WIID)Project No.TitleStatus
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
10975LVS EN 28692:2000Water quality - Fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutumAtcelts
10975EN 28692:1993Water quality - Fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutum (ISO 8692:1989)Atcelts
10974EN 26461-2:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986)Izstrādē
10974LVS EN 26461-2:1993 AWater quality - Detection and enumeration of the spores of sulfite-reducting anaerobes (Clostridia) - Part 2: Method by membrane filtrationStandarts spēkā
10973LVS EN 26461-1:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) 
10973EN 26461-1:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986)Izstrādē
10972ISO 9308-2Water quality - Detection and enumeration of coliform organisms, thermotolerant coliform organisms and presumptive Escherichia coli - Part 2: Multiple tube (most probable number) methodIzstrādē
10971LVS EN ISO 9308-1:2001 AWater quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration methodAtcelts
10971EN ISO 9308-1:2000Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method (ISO 9308-1:2000)Atcelts
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