Registration number (WIID)Project No.TitleStatus
12074LVS EN ISO 7899-1:2006 +AC LWater 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
12073LVS EN ISO 7899-2:2006 LWater quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration methodStandarts spēkā
11658LVS ISO 11261:2002 LSoil quality - Determination of total nitrogen - Modified Kjeldahl methodStandarts spēkā
11637LVS 409:2002Quality of Environment - Determination of the Biodegradability of Anion Surfactants - Reference methodStandarts spēkā
11511LVS 340:2001Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reductionStandarts spēkā
10381LVS ISO 7934:1989Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Hydrogen peroxide/barium perchloratel/thorin methodStandarts spēkā
12090LVS ISO 5725-6:2006 +TC1 A/LAccuracy (trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy valuesStandarts spēkā
11510LVS 339:2001Water quality - Determination of nitrite - Manual cadmium reduction methodStandarts spēkā
12062LVS EN ISO 9308-3:2006 +AC A/LWater 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
10606LVS EN ISO 14593:2006 LWater quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO<(Index)2> headspace test)Standarts spēkā
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