Registration number (WIID)Project No.TitleStatus
18795ISO 10706:2000Water quality — Determination of long term toxicity of substances to Daphnia magna Straus (Cladocera, Crustacea)Standarts spēkā
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
18294ISO 10253:1995Water quality — Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutumAtcelts
18265ISO 10229:1994Water quality — Determination of the prolonged toxicity of substances to freshwater fish — Method for evaluating the effects of substances on the growth rate of rainbow trout (Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae))Standarts spēkā
18265ISO 10229:1994Water quality — Determination of the prolonged toxicity of substances to freshwater fish — Method for evaluating the effects of substances on the growth rate of rainbow trout (Oncorhynchus mykiss Walbaum (Teleostei, Salmonidae))Standarts spēkā
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
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
17142ISO 9439:1990Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxideAtcelts
Displaying 131-140 of 159 results.