Registration number (WIID)Project No.TitleStatus
11831LVS EN ISO 8689-1:2004 LWater quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebratesStandarts spēkā
11965LVS EN 12457-2:2005 LCharacterisation of waste - Leaching; Compliance test for leaching of granular waste materials and sludges - Part 2: One stage batch test at a liquid to solid ratio of 10 l/kg for material with particle size below 4 mm (without or with size reduction)Standarts spēkā
11975LVS EN 13657:2005 LCharacterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elementsStandarts spēkā
11938LVS EN ISO 11732:2005 A/LWater quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
12060LVS EN ISO 7899-1:2006 +AC A/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
12083LVS ISO 11222:2006 LAir quality - Determination of the uncertainty of the time average of air quality measurementsStandarts spēkā
12082LVS ISO 11222:2006 A/LAir quality - Determination of the uncertainty of the time average of air quality measurementsStandarts spēkā
10491LVS 410:2002Quality of Environment - Determination of the Biodegradability of Non-ionic Surfactants - Reference methodStandarts spēkā
11815LVS ISO 5664:2004 LWater quality - Determination of ammonium - Distillation and titration methodStandarts spēkā
11839LVS EN ISO 13395:2004 LWater quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
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