ISO/TC 147/SC 5
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 18265 | ISO 10229:1994 | Water 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 |
| 18265 | ISO 10229:1994 | Water 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 |
| 17769 | ISO 9888:1991 | Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method) | Atcelts |
| 17768 | ISO 9887:1992 | Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi-continuous activated sludge method (SCAS) | Standarts spēkā |
| 17241 | ISO 9509:1989 | Water quality Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters | Atcelts |
| 17241 | ISO 9509:1989 | Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters | Atcelts |
| 17142 | ISO 9439:1990 | Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide | Atcelts |
| 17107 | ISO 9408:1991 | Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by determining the oxygen demand in a closed respirometer | Atcelts |
| 17083 | ISO 9391:1993 | Water quality — Sampling in deep waters for macro-invertebrates — Guidance on the use of colonization, qualitative and quantitative samplers | Atcelts |
| 16096 | ISO 8692:1989 | Water quality — Fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutum | Atcelts |
Displaying 141-150 of 166 results.