Registration number (WIID)Project No.TitleStatus
91487ISO/AWI 16712Water quality — Determination of acute toxicity of marine or estuarine sediment to amphipodsIzstrādē
91486ISO/AWI 16303Water quality — Determination of toxicity of fresh water sediments using Hyalella aztecaIzstrādē
28121ISO 9888:1999Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Static test (Zahn-Wellens method)Atcelts
17769ISO 9888:1991Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method)Atcelts
17768ISO 9887:1992Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi-continuous activated sludge method (SCAS)Standarts spēkā
34812ISO 9509:2006Water quality — Toxicity test for assessing the inhibition of nitrification of activated sludge microorganismsStandarts spēkā
17241ISO 9509:1989Water quality Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste watersAtcelts
17241ISO 9509:1989Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste watersAtcelts
26727ISO 9439:1999Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution testAtcelts
26727ISO 9439:1999Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Carbon dioxide evolution testAtcelts
Displaying 51-60 of 163 results.