Registration number (WIID)Project No.TitleStatus
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
11516LVS ISO 13964:2001Air quality - Determination of ozone in ambient air - Ultraviolet photometric methodStandarts spēkā
10473LVS ISO 9855:2001Ambient air - Determination of the particulate lead content of aerosols collected on filters - Atomic absorption spectrometric methodStandarts spēkā
12074LVS EN ISO 7899-1:2006 +AC 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
10380LVS ISO 6060:1989Water quality - Determination of the chemical oxygen demandStandarts spēkā
11968LVS EN 12457-4:2005 A/LCharacterisation of waste - Leaching; Compliance test for leaching of granular waste materials and sludges - Part 4: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 10 mm (without or with size reduction)Standarts spēkā
11169LVS ISO 7875-2:1984Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagentStandarts spēkā
11511LVS 340:2001Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reductionStandarts spēkā
11923LVS EN ISO 3696:2005 LWater for analytical laboratory use - Specification and test methodsStandarts spēkā
11152LVS ISO 6777:1984Water quality - Determination of nitrite - Molecular absorption spectrometric methodStandarts spēkā
Displaying 31-40 of 177 results.