Registration number (WIID)Project No.TitleStatus
11905LVS EN ISO 15587-1:2005 LWater quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestionStandarts spēkā
12055LVS EN ISO 14593:2006 A/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
10491LVS 410:2002Quality of Environment - Determination of the Biodegradability of Non-ionic Surfactants - Reference methodStandarts spēkā
11938LVS EN ISO 11732:2005 A/LWater quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detectionStandarts 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
11516LVS ISO 13964:2001Air quality - Determination of ozone in ambient air - Ultraviolet photometric methodStandarts spēkā
11815LVS ISO 5664:2004 LWater quality - Determination of ammonium - Distillation and titration methodStandarts spēkā
10529LVS EN ISO 13395:2004 A/LWater quality - Determination of nitritenitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detectionStandarts spēkā
12054LVS EN 14672:2006 LCharacterization of sludges - Determination of total phosphorusStandarts spēkā
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