Registration number (WIID)Project No.TitleStatus
59003LVS EN ISO 5667-6:2017Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014)Standarts spēkā
33760LVS EN 16161:2012Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samplesStandarts spēkā
58435LVS EN ISO 15681-2:2019Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018)Standarts spēkā
11069LVS EN ISO 9408:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium by determination of oxygen demand in a closed respirometerStandarts spēkā
64275LVS EN 17211:2020Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zoneStandarts spēkā
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
34749LVS CEN/TS 16692:2015Water quality - Determination of tributyltin (TBT) in whole water samples - Method using solid phase extraction (SPE) with SPE disks and gas chromatography with triple quadrupole mass spectrometryStandarts spēkā
11037LVS EN ISO 7346-2:2000Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static methodStandarts spēkā
31702LVS EN ISO 12846:2012Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)Standarts spēkā
22919LVS EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Standarts spēkā
Displaying 201-210 of 824 results.