Registration number (WIID)Project No.TitleStatus
27554ISO 15522:1999Water quality — Determination of the inhibitory effect of water constituents on the growth of activated sludge microorganismsStandarts spēkā
36232ISO 13641-1:2003Water quality — Determination of inhibition of gas production of anaerobic bacteria — Part 1: General testStandarts spēkā
14749ISO 7827:1984Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of dissolved organic carbon (DOC)Atcelts
2219ISO 7827:1994Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of dissolved organic carbon (DOC)Atcelts
29924ISO 8692:2004Water quality — Freshwater algal growth inhibition test with unicellular green algaeAtcelts
17241ISO 9509:1989Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste watersAtcelts
27224ISO 11348-3:1998Water quality — Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) — Part 3: Method using freeze-dried bacteriaAtcelts
18728ISO 10634:1995Water quality — Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous mediumAtcelts
15379ISO 8265:1988Water quality — Design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwatersAtcelts
23755ISO 14442:1999Water quality — Guidelines for algal growth inhibition tests with poorly soluble materials, volatile compounds, metals and waste waterAtcelts
Displaying 81-90 of 167 results.