CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 24739 | EN ISO 19493:2007 | Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007) | Izstrādē |
| 24739 | LVS EN ISO 19493:2007 | Water quality - Guidance on marine biological surveys of hard- substrate communities | Standarts spēkā |
| 24737 | LVS EN ISO 14593:2005 A | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO<(Index)2> headspace test) | Standarts spēkā |
| 24737 | EN ISO 14593:2005 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test) (ISO 14593:1999) | Izstrādē |
| 24558 | EN ISO 16588:2003/A1:2005 | Water quality - Determination of six complexing agents - Gas-chromatographic method (ISO 16588:2002/Amd 1:2004) | Izstrādē |
| 24558 | LVS EN ISO 16588:2004 /A1:2005 | Water quality - Determination of six complexing agents - Gas- chromatographic method | Standarts spēkā |
| 24309 | LVS EN 15196:2006 | Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment | Standarts spēkā |
| 24309 | EN 15196:2006 | Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment | Izstrādē |
| 24025 | prEN ISO 7346 rev | Water quality -- Determination of acute lethality to freshwater and marine fish | Izstrādē |
| 23989 | prEN ISO 20079 | Water quality - Determination of the toxic effect of water constituents and waste water to duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079) | Izstrādē |
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