Registration number (WIID)Project No.TitleStatus
10880LVS ISO 7935:2004Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Performance characteristics of automated measuring methodsStandarts spēkā
12133LVS EN 872:2007 LWater quality - Determination of suspended solids - Method by filtration through glass fibre filtersStandarts spēkā
11974LVS EN 13657:2005 A/LCharacterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elementsStandarts 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
10381LVS ISO 7934:1989Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Hydrogen peroxide/barium perchloratel/thorin methodStandarts spēkā
11510LVS 339:2001Water quality - Determination of nitrite - Manual cadmium reduction methodStandarts spēkā
11975LVS EN 13657:2005 LCharacterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elementsStandarts spēkā
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
11637LVS 409:2002Quality of Environment - Determination of the Biodegradability of Anion Surfactants - Reference methodStandarts spēkā
11923LVS EN ISO 3696:2005 LWater for analytical laboratory use - Specification and test methodsStandarts spēkā
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