Registration number (WIID)Project No.TitleStatus
19308ISO 11348-1:1998Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 1: Method using freshly prepared bacteriaAtcelts
17241ISO 9509:1989Water quality Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste watersAtcelts
14025ISO 7346-1:1984Water quality — Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio, Hamilton-Buchanan (Teleostei, Cyprinidae)) — Part 1: Static methodAtcelts
57698ISO 16778:2015Water quality — Calanoid copepod early-life stage test with Acartia tonsaAtcelts
17142ISO 9439:1990Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxideAtcelts
39674ISO 20666:2008Water quality — Determination of the chronic toxicity to Brachionus calyciflorus in 48 hStandarts spēkā
34074ISO 20079:2005Water quality — Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) — Duckweed growth inhibition testStandarts spēkā
34812ISO 9509:2006Water quality — Toxicity test for assessing the inhibition of nitrification of activated sludge microorganismsStandarts spēkā
14028ISO 7346-2:1996Water quality — Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)] — Part 2: Semi-static methodStandarts spēkā
28368ISO 8689-1:2000Water quality — Biological classification of rivers — Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebratesStandarts spēkā
Displaying 81-90 of 167 results.