Registration number (WIID)Project No.TitleStatus
11511LVS 340:2001Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reductionStandarts spēkā
11393LVS EN 1484:2000Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)Standarts spēkā
10473LVS ISO 9855:2001Ambient air - Determination of the particulate lead content of aerosols collected on filters - Atomic absorption spectrometric 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
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
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
10474LVS ISO 6767:2001Ambient air - Determination of the mass concentration of sulfur dioxide - Tetrachloromercurate (TCM)/pararosaniline 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
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
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