CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11009 | EN ISO 9509:1995 | Water quality - Method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste water (ISO 9509:1989) | Atcelts |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 21807 | EN ISO 9562:2004 | Water quality - Determination of adsorbable organically bound halogens (AOX) (ISO 9562:2004) | Izstrādē |
| 59145 | EN ISO 9696:2017 | Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017) | Izstrādē |
| 59146 | EN ISO 9697:2017 | Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015) | Atcelts |
| 67629 | EN ISO 9697:2019 | Water quality - Gross beta activity - Test method using thick source (ISO 9697:2018) | Standarts spēkā |
| 41073 | EN ISO 9698:2015 | Water quality - Determination of tritium activity concentration - Liquid scintillation counting method (ISO 9698:2010) | Atcelts |
| 63552 | EN ISO 9698:2019 | Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019) | Standarts spēkā |
| 10976 | EN ISO 9887:1994 | Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992) | Izstrādē |
| 11071 | EN ISO 9888:1999 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999) | Izstrādē |
Displaying 361-370 of 792 results.