Registration number (WIID)Project No.TitleStatus
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
11975LVS EN 13657:2005 LCharacterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elementsStandarts spēkā
12078LVS ISO 5725-5:2006 +AC LAccuracy (trueness and precision) of measurement methods and results - Part 5: Alternative methods for the determination of the precision of a standard measurement methodStandarts spēkā
11510LVS 339:2001Water quality - Determination of nitrite - Manual cadmium reduction methodStandarts spēkā
12081LVS ISO 10694:2006 A/LSoil quality - Determination of organic and total carbon after dry combustion (elementary analysis)Standarts spēkā
11153LVS ISO 7150-1:1984Water quality - Determination of ammonium - Part 1: Manual spectrometric methodStandarts spēkā
11393LVS EN 1484:2000Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)Standarts spēkā
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