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
11832LVS EN ISO 8689-2:2004 A/LWater quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebratesStandarts 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
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
11841LVS EN 12619:2004 LStationary source emissions - Determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases - Continuous flame ionisation detector methodAtcelts
11843LVS EN ISO 11732:2004 LWater quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detectionAtcelts
11844LVS EN ISO 11732:2004 A/LWater quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detectionAtcelts
11860LVS EN 13725:2004 LAir quality - Determination of the odour concentration by dynamic olfactometryAtcelts
11905LVS EN ISO 15587-1:2005 LWater quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestionStandarts spēkā
11906LVS EN ISO 15587-1:2005 A/LWater quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestionStandarts spēkā
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