Registration number (WIID)Project No.TitleStatus
12053LVS EN 14672:2006 A/LCharacterization of sludges - Determination of total phosphorusAtcelšanā
11510LVS 339:2001Water quality - Determination of nitrite - Manual cadmium reduction methodStandarts spēkā
11169LVS ISO 7875-2:1984Water quality - Determination of surfactants - Part 2: Determination of non-ionic surfactants using Dragedorff reagentStandarts spēkā
11658LVS ISO 11261:2002 LSoil quality - Determination of total nitrogen - Modified Kjeldahl methodStandarts spēkā
11511LVS 340:2001Water quality - Determination of nitrogen - Manual method using oxidative digestion with peroxodisulfate and cadmium reductionStandarts spēkā
10380LVS ISO 6060:1989Water quality - Determination of the chemical oxygen demandStandarts spēkā
12073LVS EN ISO 7899-2:2006 LWater quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration 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
11637LVS 409:2002Quality of Environment - Determination of the Biodegradability of Anion Surfactants - Reference methodStandarts 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
Displaying 1-10 of 177 results.