Registration number (WIID)Project No.TitleStatus
76046-Water quality – Guidance standard on a strategic approach to river restorationIzstrādē
36147EN 14184:2014Water quality - Guidance for the surveying of aquatic macrophytes in running watersIzstrādē
23980EN 15110:2006Water quality - Guidance standard for the sampling of zooplankton from standing watersIzstrādē
32516EN 15708:2009Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
22919EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Izstrādē
76483prEN ISO 16094-1Water quality -- Analysis of plastics in water -- Part 1: General and samplingIzstrādē
76459FprEN 18161Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environmentIzstrādē
60334EN ISO 20227:2017Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017)Izstrādē
35039prEN ISO 8689-1 revWater quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebratesIzstrādē
76867EN ISO 23196:2023Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)Izstrādē
Displaying 661-670 of 814 results.