Registration number (WIID)Project No.TitleStatus
11549LVS ISO 11632:2001Stationary source emissions - Determination of mass concentration of sulfur dioxide - Ion chromatography 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
11922LVS EN ISO 3696:2005 A/LWater for analytical laboratory use - Specification and test methodsStandarts spēkā
11921LVS EN ISO 6878:2005 LWater quality - Determination of phosphorus - Ammonium molybdate spectrometric methodStandarts 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
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
11815LVS ISO 5664:2004 LWater quality - Determination of ammonium - Distillation and titration methodStandarts spēkā
11153LVS ISO 7150-1:1984Water quality - Determination of ammonium - Part 1: Manual spectrometric methodStandarts spēkā
11659LVS ISO 10780:2002Stationary source emissions - Measurement of velocity and volume flowrate of gas streams in ductsStandarts spēkā
Displaying 31-40 of 177 results.