ISO/TC 147/SC 5
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 28120 | ISO 9408:1999 | Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer | Standarts spēkā |
| 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 |
| 21002 | ISO 9439:1990/Cor 1:1992 | Water quality — Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds — Method by analysis of released carbon dioxide — Technical Corrigendum 1 | Atcelts |
| 26727 | ISO 9439:1999 | Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Carbon dioxide evolution test | Atcelts |
| 26727 | ISO 9439:1999 | Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test | 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 |
| 17241 | ISO 9509:1989 | Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters | Atcelts |
| 34812 | ISO 9509:2006 | Water quality — Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms | Standarts spēkā |
| 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 |
| 17769 | ISO 9888:1991 | Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Static test (Zahn-Wellens method) | Atcelts |
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