Registration number (WIID)Project No.TitleStatus
12133LVS EN 872:2007 LWater quality - Determination of suspended solids - Method by filtration through glass fibre filtersStandarts spēkā
11658LVS ISO 11261:2002 LSoil quality - Determination of total nitrogen - Modified Kjeldahl methodStandarts spēkā
10381LVS ISO 7934:1989Stationary source emissions - Determination of the mass concentration of sulfur dioxide - Hydrogen peroxide/barium perchloratel/thorin methodStandarts spēkā
10921LVS EN 12880:2006 A/LCharacterization of sludges - Determination of dry residue and water contentStandarts spēkā
11975LVS EN 13657:2005 LCharacterization of waste - Digestion for subsequent determination of aqua regia soluble portion of elementsStandarts spēkā
11833LVS EN ISO 8689-2:2004 LWater quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebratesStandarts spēkā
12163LVS EN 1233:1996Water quality - Determination of chromium - Atomic absorbtion spectrometric methodsStandarts 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
11510LVS 339:2001Water quality - Determination of nitrite - Manual cadmium reduction methodStandarts spēkā
11922LVS EN ISO 3696:2005 A/LWater for analytical laboratory use - Specification and test methodsStandarts spēkā
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